能用prusa切片和预览了，添加了缺失的翻译

Co-authored-by: Copilot <copilot@github.com>

app/assets/i18n/de.json

@@ -218,5 +218,12 @@
     "Add User": "Benutzer hinzufügen",
     "Password": "Passwort",
     "Is Admin": "Ist Administrator",
-    "Create User": "Benutzer erstellen"
+    "Create User": "Benutzer erstellen",
+    "Build Plate Model Path (.stl)": "Pfad zum Build-Platte-Modell (.stl)",
+    "Absolute path to a custom build plate STL model to show in the plater. Leave empty to use none.": "Absoluter Pfad zum benutzerdefinierten Build-Platte-STL-Modell, das im Plater angezeigt werden soll. Leer lassen, um keines zu verwenden.",
+    "Default Material Profile": "Standard Materialprofil",
+    "Slicing Engine Configurations": "Slicer-Engine-Konfigurationen",
+    "Slicing Engine": "Slicer-Engine",
+    "Select the engine to be used globally. Ensure the selected engine is installed and accessible on the server.": "Wählen Sie die Engine aus, die global verwendet werden soll. Stellen Sie sicher, dass die ausgewählte Engine installiert und auf dem Server zugänglich ist.",
+    "Material Profile": "Materialprofil"
 }

app/assets/i18n/en.json

@@ -218,5 +218,12 @@
     "Add User": "Add User",
     "Password": "Password",
     "Is Admin": "Is Admin",
-    "Create User": "Create User"
+    "Create User": "Create User",
+    "Build Plate Model Path (.stl)": "Build Plate Model Path (.stl)",
+    "Absolute path to a custom build plate STL model to show in the plater. Leave empty to use none.": "Absolute path to a custom build plate STL model to show in the plater. Leave empty to use none.",
+    "Default Material Profile": "Default Material Profile",
+    "Slicing Engine Configurations": "Slicing Engine Configurations",
+    "Slicing Engine": "Slicing Engine",
+    "Select the engine to be used globally. Ensure the selected engine is installed and accessible on the server.": "Select the engine to be used globally. Ensure the selected engine is installed and accessible on the server.",
+    "Material Profile": "Material Profile"
 }

app/assets/i18n/zh-cn.json

@@ -218,5 +218,12 @@
     "Add User": "添加用户",
     "Password": "密码",
     "Is Admin": "设为管理员",
-    "Create User": "创建用户"
+    "Create User": "创建用户",
+    "Build Plate Model Path (.stl)": "构建板模型路径 (.stl)",
+    "Absolute path to a custom build plate STL model to show in the plater. Leave empty to use none.": "保存自定义构建板 STL 模型的绝对路径，以在 plater 中显示。留空以使用默认值。",
+    "Default Material Profile": "默认材料配置",
+    "Slicing Engine Configurations": "切片引擎配置",
+    "Slicing Engine": "切片引擎",
+    "Select the engine to be used globally. Ensure the selected engine is installed and accessible on the server.": "选择要全局使用的引擎。确保所选引擎已安装且在服务器上可访问。",
+    "Material Profile": "材料配置"
 }

app/routes/admin_routes.py

@@ -46,6 +46,7 @@ def settings():
         default_support = request.form.get('default_support', 'false')
         default_support_pattern = request.form.get('default_support_pattern', 'tree')
         default_quality = request.form.get('default_quality', 'base_global_standard.inst.cfg')
+        default_material = request.form.get('default_material', '')
         gcode_upload_folder = request.form.get('gcode_upload_folder', '').strip()
         slicer_engine = request.form.get('slicer_engine', 'cura')
         build_plate_model_path = request.form.get('build_plate_model_path', '').strip()
@@ -59,6 +60,7 @@ def settings():
             ('default_support', default_support),
             ('default_support_pattern', default_support_pattern),
             ('default_quality', default_quality),
+            ('default_material', default_material),
             ('gcode_upload_folder', gcode_upload_folder),
             ('slicer_engine', slicer_engine),
             ('build_plate_model_path', build_plate_model_path),

app/routes/main_routes.py

@@ -355,10 +355,11 @@ def plater():
     default_support = configs.get('default_support', 'false')
     default_support_pattern = configs.get('default_support_pattern', 'tree')
     default_quality = configs.get('default_quality', 'base_global_standard.inst.cfg')
+    default_material = configs.get('default_material', '')
     
     user_files = PrintFile.query.filter_by(user_id=current_user.id, file_type='stl').order_by(PrintFile.created_at.desc()).all()
     models = [{'id': f.id, 'name': f.original_filename, 'status': f.status, 'url': url_for('main.serve_proxy_file', file_id=f.id), 'transform_matrix': f.transform_matrix} for f in user_files]
-    return render_template('slice/plater.html', w=w, h=h, hd=hd, last_quality=default_quality, models=models, offset_x=offset_x, offset_y=offset_y, default_infill=default_infill, default_support=default_support, default_support_pattern=default_support_pattern, quota_exceeded=quota_exceeded, configs=configs)
+    return render_template('slice/plater.html', w=w, h=h, hd=hd, last_quality=default_quality, last_material=default_material, models=models, offset_x=offset_x, offset_y=offset_y, default_infill=default_infill, default_support=default_support, default_support_pattern=default_support_pattern, quota_exceeded=quota_exceeded, configs=configs)
 
 @main_bp.route('/file/<int:file_id>')
 @login_required
@@ -390,6 +391,7 @@ def merge_and_slice():
     data = request.json
     pieces = data.get('pieces', [])
     quality = data.get('quality', 'base_global_standard.inst.cfg')
+    material = data.get('material', '')
     infill_density = data.get('infill', '20')
     support_enable = data.get('support', 'false')
     support_pattern = data.get('support_pattern', 'lines')
@@ -427,6 +429,7 @@ def merge_and_slice():
                     "matrix": p['raw_matrix'],
                     "settings": {
                         "quality": quality,
+                        "material": material,
                         "infill": infill_density,
                         "support": support_enable,
                         "support_pattern": support_pattern
@@ -450,6 +453,7 @@ def merge_and_slice():
                 "parts": [],
                 "settings": {
                     "quality": quality,
+                    "material": material,
                     "infill": infill_density,
                     "support": support_enable,
                     "support_pattern": support_pattern
@@ -471,6 +475,7 @@ def merge_and_slice():
                 "matrix": pieces[0].get('raw_matrix', pieces[0]['matrix']),
                 "settings": {
                     "quality": quality,
+                    "material": material,
                     "infill": infill_density,
                     "support": support_enable,
                     "support_pattern": support_pattern
@@ -482,7 +487,7 @@ def merge_and_slice():
         temp_filename = f"temp_edit_{uuid.uuid4().hex}.stl"
         temp_filepath = os.path.join(current_app.config['UPLOAD_FOLDER'], temp_filename)
         
-        merge_and_slice_task(target_file_id, inputs, temp_filepath, quality, infill_density, support_enable, support_pattern, delete_stl=True)
+        merge_and_slice_task(target_file_id, inputs, temp_filepath, quality, material, infill_density, support_enable, support_pattern, delete_stl=True)
     elif len(inputs) == 1 and is_edit:
         target_file_id = pieces[0]['file_id']
         print_file = PrintFile.query.get(target_file_id)
@@ -495,7 +500,7 @@ def merge_and_slice():
         temp_filename = f"temp_{uuid.uuid4().hex}.stl"
         temp_filepath = os.path.join(current_app.config['UPLOAD_FOLDER'], temp_filename)
         
-        merge_and_slice_task(target_file_id, inputs, temp_filepath, quality, infill_density, support_enable, support_pattern, delete_stl=True)
+        merge_and_slice_task(target_file_id, inputs, temp_filepath, quality, material, infill_density, support_enable, support_pattern, delete_stl=True)
     else:
         # Multiple models, create a new "Merged Slice" PrintFile entry to keep track of combination
         timestamp = datetime.now().strftime('%Y%m%d%H%M%S')
@@ -508,6 +513,7 @@ def merge_and_slice():
             "parts": [],
             "settings": {
                 "quality": quality,
+                "material": material,
                 "infill": infill_density,
                 "support": support_enable,
                 "support_pattern": support_pattern
@@ -534,7 +540,7 @@ def merge_and_slice():
         db.session.add(print_file)
         db.session.commit()
         
-        merge_and_slice_task(print_file.id, inputs, merged_filepath, quality, infill_density, support_enable, support_pattern, delete_stl=False)
+        merge_and_slice_task(print_file.id, inputs, merged_filepath, quality, material, infill_density, support_enable, support_pattern, delete_stl=False)
 
     return jsonify({'success': True, 'message': 'Plater slice queued!'})
 
@@ -553,5 +559,6 @@ def engine_options(engine_name):
     from app.utils.slice_engines import get_slicer_engine
     engine = get_slicer_engine(engine_name)
     presets = engine.get_quality_presets(current_app)
-    patterns = engine.get_support_patterns()
+    patterns = engine.get_support_patterns(current_app)
-    return jsonify({'presets': presets, 'support_patterns': patterns})
+    materials = engine.get_materials(current_app) if hasattr(engine, 'get_materials') else []
+    return jsonify({'presets': presets, 'support_patterns': patterns, 'materials': materials})

app/templates/admin/settings.html

@@ -12,25 +12,25 @@
             <div class="mb-3">
                 <label for="offset_x" class="form-label">{{ _('Plater Origin Offset X (mm)') }}</label>
                 <input type="number" class="form-control" name="offset_x" id="offset_x" value="{{ configs.get('offset_x', '0') }}">
-                <div class="form-text">{{ _('Adjust the X-axis compilation offset for combined files on the build plate.') }}</div>
+                <div class="form-text"><i class="bi bi-info-circle me-1"></i>{{ _('Adjust the X-axis compilation offset for combined files on the build plate.') }}</div>
             </div>
             
             <div class="mb-3">
                 <label for="offset_y" class="form-label">{{ _('Plater Origin Offset Y (mm)') }}</label>
                 <input type="number" class="form-control" name="offset_y" id="offset_y" value="{{ configs.get('offset_y', '0') }}">
-                <div class="form-text">{{ _('Adjust the Y-axis compilation offset for combined files on the build plate.') }}</div>
+                <div class="form-text"><i class="bi bi-info-circle me-1"></i>{{ _('Adjust the Y-axis compilation offset for combined files on the build plate.') }}</div>
             </div>
 
             <div class="mb-3">
                 <label for="proxy_skip_size_mb" class="form-label">{{ _('Proxy Skip Size (MB)') }}</label>
                 <input type="number" class="form-control" name="proxy_skip_size_mb" id="proxy_skip_size_mb" value="{{ configs.get('proxy_skip_size_mb', '5.0') }}" step="0.1" min="0">
-                <div class="form-text">{{ _('Files smaller than this will not generate a simplified proxy.') }}</div>
+                <div class="form-text"><i class="bi bi-info-circle me-1"></i>{{ _('Files smaller than this will not generate a simplified proxy.') }}</div>
             </div>
 
             <div class="mb-3">
                 <label for="gcode_upload_folder" class="form-label"><i class="bi bi-folder2-open me-2"></i>{{ _('Custom GCode Output Folder') }}</label>
                 <input type="text" class="form-control" name="gcode_upload_folder" id="gcode_upload_folder" value="{{ configs.get('gcode_upload_folder', '') }}">
-                <div class="form-text">{{ _('Absolute path to save locally sliced GCode files (e.g. OctoPrint uploads folder like "/home/pi/.octoprint/uploads"). Leave empty to use system default.') }}</div>
+                <div class="form-text"><i class="bi bi-info-circle me-1"></i>{{ _('Absolute path to save locally sliced GCode files (e.g. OctoPrint uploads folder like "/home/pi/.octoprint/uploads"). Leave empty to use system default.') }}</div>
             </div>
 
             <h5 class="card-title text-primary border-bottom pb-2 mt-4 mb-3"><i class="bi bi-grid-3x3 me-2"></i>{{ _('Default Plater Settings') }}</h5>
@@ -38,7 +38,7 @@
             <div class="mb-3">
                 <label for="build_plate_model_path" class="form-label">{{ _('Build Plate Model Path (.stl)') }}</label>
                 <input type="text" class="form-control" name="build_plate_model_path" id="build_plate_model_path" value="{{ configs.get('build_plate_model_path', '') }}">
-                <div class="form-text">{{ _('Absolute path to a custom build plate STL model to show in the plater. Leave empty to use none.') }}</div>
+                <div class="form-text"><i class="bi bi-info-circle me-1"></i>{{ _('Absolute path to a custom build plate STL model to show in the plater. Leave empty to use none.') }}</div>
             </div>
             
             <div class="mb-3">
@@ -62,13 +62,20 @@
                 </select>
             </div>
 
-            <div class="mb-4">
+            <div class="mb-3">
                 <label for="default_quality" class="form-label">{{ _('Default Quality Profile') }}</label>
                 <select class="form-select" name="default_quality" id="default_quality" data-selected="{{ configs.get('default_quality', 'base_global_standard.inst.cfg') }}">
                     <!-- Loaded via JS -->
                 </select>
             </div>
 
+            <div class="mb-4">
+                <label for="default_material" class="form-label">{{ _('Default Material Profile') }}</label>
+                <select class="form-select" name="default_material" id="default_material" data-selected="{{ configs.get('default_material', '') }}">
+                    <!-- Loaded via JS -->
+                </select>
+            </div>
+
             <h5 class="card-title text-primary border-bottom pb-2 mt-4 mb-3"><i class="bi bi-cpu me-2"></i>{{ _('Slicing Engine Configurations') }}</h5>
             <div class="mb-3">
                 <label for="slicer_engine" class="form-label">{{ _('Slicing Engine') }}</label>
@@ -151,6 +158,7 @@ function submitSettings(event) {
 document.addEventListener('DOMContentLoaded', function() {
     const engineSelect = document.getElementById('slicer_engine');
     const qualitySelect = document.getElementById('default_quality');
+    const materialSelect = document.getElementById('default_material');
     const patternSelect = document.getElementById('default_support_pattern');
 
     function updateOptions(engine) {
@@ -166,6 +174,21 @@ document.addEventListener('DOMContentLoaded', function() {
                 });
                 if(selQ) qualitySelect.value = selQ;
                 
+                const selM = materialSelect.getAttribute('data-selected');
+                materialSelect.innerHTML = '';
+                // Add an empty option for material (optional fallback)
+                const emptyOpt = document.createElement('option');
+                emptyOpt.value = ''; emptyOpt.textContent = "{{ _('Auto / Default') }}";
+                materialSelect.appendChild(emptyOpt);
+                if(data.materials) {
+                    data.materials.forEach(p => {
+                        const opt = document.createElement('option');
+                        opt.value = p.id; opt.textContent = p.name;
+                        materialSelect.appendChild(opt);
+                    });
+                }
+                if(selM) materialSelect.value = selM;
+
                 const selP = patternSelect.getAttribute('data-selected');
                 patternSelect.innerHTML = '';
                 data.support_patterns.forEach(p => {

app/templates/base.html

@@ -65,6 +65,7 @@
                     <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="langDropdown">
                         <li><a class="dropdown-item {% if request.cookies.get('lang') == 'en' %}active{% endif %}" href="{{ url_for('main.set_language', lang='en') }}"><i class="bi bi-translate me-2"></i>English</a></li>
                         <li><a class="dropdown-item {% if request.cookies.get('lang') == 'zh-cn' %}active{% endif %}" href="{{ url_for('main.set_language', lang='zh-cn') }}"><i class="bi bi-translate me-2"></i>中文 (简体)</a></li>
+                        <li><a class="dropdown-item {% if request.cookies.get('lang') == 'de' %}active{% endif %}" href="{{ url_for('main.set_language', lang='de') }}"><i class="bi bi-translate me-2"></i>Deutsch</a></li>
                     </ul>
                 </div>
                 

app/templates/slice/gcode_preview.html

@@ -66,9 +66,26 @@ document.addEventListener('DOMContentLoaded', async function() {
         'SKIRT':      new THREE.Color(0x00ffff),
         'SUPPORT-INTERFACE': new THREE.Color(0x2b6b2b),
         'TRAVEL':     new THREE.Color(0x405060),
-        'DEFAULT':    new THREE.Color(0xaaaaaa),
+        'DEFAULT':    new THREE.Color(0xaaaaaa)
     };
 
+    // Additional aliases mapped to basic COLORS
+    const COLOR_ALIASES = {
+        'External perimeter': COLORS['WALL-OUTER'],
+        'Overhang perimeter': COLORS['WALL-OUTER'],
+        'Perimeter': COLORS['WALL-INNER'],
+        'Internal infill': COLORS['FILL'],
+        'Solid infill': COLORS['FILL'],
+        'Top solid infill': COLORS['FILL'],
+        'Bridge infill': COLORS['FILL'],
+        'Support material': COLORS['SUPPORT'],
+        'Skirt/Brim': COLORS['SKIRT'],
+        'Support material interface': COLORS['SUPPORT-INTERFACE']
+    };
+    
+    // Merge aliases into COLORS
+    Object.assign(COLORS, COLOR_ALIASES);
+    
     // Inject printer machine dimensions via Jinja
     const bedWidth = {{ machine_width | default(220) }};
     const bedDepth = {{ machine_depth | default(220) }};
@@ -83,6 +100,23 @@ document.addEventListener('DOMContentLoaded', async function() {
         'SKIRT': 7, 'SUPPORT-INTERFACE': 8
     };
 
+    // Aliases for TYPE_INDEX
+    const TYPE_INDEX_ALIASES = {
+        'External perimeter': 1,
+        'Overhang perimeter': 1,
+        'Perimeter': 2,
+        'Internal infill': 3,
+        'Solid infill': 3,
+        'Top solid infill': 3,
+        'Bridge infill': 3,
+        'Support material': 5,
+        'Skirt/Brim': 7,
+        'Support material interface': 8
+    };
+
+    // Merge aliases into TYPE_INDEX
+    Object.assign(TYPE_INDEX, TYPE_INDEX_ALIASES);
+
     let layers = [];
     let scene, camera, renderer, controls;
     let group = new THREE.Group();
@@ -160,6 +194,21 @@ document.addEventListener('DOMContentLoaded', async function() {
         'TRAVEL':     'uShowTravel'
     };
 
+    const uniformMapAliases = {
+        'External perimeter': 'uShowOuter',
+        'Overhang perimeter': 'uShowOuter',
+        'Perimeter': 'uShowInner',
+        'Internal infill': 'uShowInfill',
+        'Solid infill': 'uShowInfill',
+        'Top solid infill': 'uShowInfill',
+        'Bridge infill': 'uShowInfill',
+        'Support material': 'uShowSupport',
+        'Skirt/Brim': 'uShowSkirt',
+        'Support material interface': 'uShowSupportInterface'
+    };
+
+    Object.assign(uniformMap, uniformMapAliases);
+    
     document.querySelectorAll('.legend-item').forEach(el => {
         el.addEventListener('click', function() {
             const t = this.dataset.type;
@@ -292,16 +341,29 @@ document.addEventListener('DOMContentLoaded', async function() {
         }
         
         for (let i = 0; i < lines.length; i++) {
-            let chunk = lines[i].trim().toUpperCase();
+            let chunk = lines[i].trim();
             if (!chunk) continue;
+            let upperChunk = chunk.toUpperCase();
             
-            if (chunk.startsWith(';LAYER:')) {
+            if (upperChunk.startsWith(';LAYER:')) {
                 flushLayer();
-            } else if (chunk.startsWith(';TYPE:')) {
+            } else if (upperChunk.startsWith(';TYPE:')) {
                 currentTypeStr = chunk.substring(6).trim();
-            } else if (chunk.startsWith('G0') || chunk.startsWith('G1')) {
+            } else if (upperChunk.startsWith(';') && chunk.includes(' perimeter')) {
+                // Heuristics for Prusa/Slic3r specific comments like `; External perimeter`
+                currentTypeStr = chunk.substring(1).trim();
+            } else if (upperChunk.startsWith(';') && chunk.includes(' infill')) {
+                // Heuristics for Prusa/Slic3r specific comments like `; Internal infill`
+                currentTypeStr = chunk.substring(1).trim();
+            } else if (upperChunk.startsWith(';') && chunk.includes(' material')) {
+                // Support material
+                currentTypeStr = chunk.substring(1).trim();
+            } else if (upperChunk.startsWith(';') && chunk.includes('Skirt/Brim')) {
+                // Skirt/Brim
+                currentTypeStr = 'Skirt/Brim';
+            } else if (upperChunk.startsWith('G0') || upperChunk.startsWith('G1')) {
                 let next = { x: current.x, y: current.y, z: current.z, e: current.e };
-                let parts = chunk.split(/\s+/);
+                let parts = upperChunk.split(/\s+/);
                 let hasMove = false;
                 
                 for (let p of parts) {
@@ -314,11 +376,17 @@ document.addEventListener('DOMContentLoaded', async function() {
                 if (hasMove && !isNaN(next.x) && !isNaN(next.y) && !isNaN(next.z)) {
                     let isExtrude = (next.e > current.e);
                     // Cura uses G0 for travel generally
-                    if (chunk.startsWith('G0') && !chunk.includes('E')) isExtrude = false;
+                    if (upperChunk.startsWith('G0') && !upperChunk.includes('E')) isExtrude = false;
                     
                     let activeType = isExtrude ? currentTypeStr : 'TRAVEL';
-                    let col = COLORS[activeType] || COLORS['DEFAULT'];
+                    // Special case for default aliases like "; External perimeter" which we stored in currentTypeStr
-                    let tIdx = TYPE_INDEX[activeType] !== undefined ? TYPE_INDEX[activeType] : TYPE_INDEX['DEFAULT'];
+                    let resolvedType = activeType;
+                    if (isExtrude && Object.keys(COLOR_ALIASES).includes(activeType)) {
+                        resolvedType = activeType;
+                    }
+                    
+                    let col = COLORS[resolvedType] || COLORS['DEFAULT'];
+                    let tIdx = TYPE_INDEX[resolvedType] !== undefined ? TYPE_INDEX[resolvedType] : TYPE_INDEX['DEFAULT'];
                     
                     if (isExtrude) {
                         let dx = next.x - current.x;

app/templates/slice/plater.html

@@ -101,6 +101,20 @@
             </div>
         </div>
         
+        <div class="card shadow-sm flex-shrink-0 mb-3">
+            <div class="card-header bg-light fw-bold text-secondary d-flex justify-content-between align-items-center collapsed" style="cursor: pointer;" data-bs-toggle="collapse" data-bs-target="#collapseMaterial" aria-expanded="false">
+                <span><i class="bi bi-box me-2"></i>{{ _('Material Profile') }}</span>
+                <i class="bi bi-chevron-bar-contract"></i>
+            </div>
+            <div id="collapseMaterial" class="collapse" data-bs-parent="#platerSidebarAccordion">
+                <div class="card-body">
+                    <div class="mb-3">
+                        <select class="form-select bg-light" id="material" data-selected="{{ last_material }}"></select>
+                    </div>
+                </div>
+            </div>
+        </div>
+
         <div class="card shadow-sm flex-shrink-0 mb-3">
             <div class="card-header bg-light fw-bold text-secondary d-flex justify-content-between align-items-center collapsed" style="cursor: pointer;" data-bs-toggle="collapse" data-bs-target="#collapseQuality" aria-expanded="false">
                 <span><i class="bi bi-gear-wide-connected me-2"></i>{{ _('Quality Profile') }}</span>
@@ -679,6 +693,11 @@ function addModelToPlate(btnElement, fileId, url, name, status) {
                     qSelect.setAttribute('data-selected', data.settings.quality);
                     qSelect.value = data.settings.quality;
                 }
+                if (data.settings.material) {
+                    const mSelect = document.getElementById('material');
+                    mSelect.setAttribute('data-selected', data.settings.material);
+                    mSelect.value = data.settings.material;
+                }
             }
         } catch (e) {}
     }
@@ -882,6 +901,7 @@ function mergeAndSlice() {
     });
     
     const quality = document.getElementById('quality').value;
+    const material = document.getElementById('material').value;
     const infill = document.getElementById('infill-density').value;
     const support = document.getElementById('support-type').value;
     const supportPattern = document.getElementById('support-pattern').value;
@@ -900,7 +920,7 @@ function mergeAndSlice() {
         headers: {
             'Content-Type': 'application/json'
         },
-        body: JSON.stringify({ pieces: pieces, quality: quality, infill: infill, support: support, support_pattern: supportPattern, is_edit: isEdit, target_file_id: targetFileId })
+        body: JSON.stringify({ pieces: pieces, quality: quality, material: material, infill: infill, support: support, support_pattern: supportPattern, is_edit: isEdit, target_file_id: targetFileId })
     })
     .then(response => response.json())
     .then(data => {
@@ -959,6 +979,7 @@ document.addEventListener('DOMContentLoaded', () => {
         const engine = "{{ configs.get('slicer_engine', 'cura') }}";
         const qualitySelect = document.getElementById('quality');
         const patternSelect = document.getElementById('support-pattern');
+        const materialSelect = document.getElementById('material');
 
         fetch(`/api/engine_options/${engine}`)
             .then(res => res.json())
@@ -972,6 +993,20 @@ document.addEventListener('DOMContentLoaded', () => {
                 });
                 if(selQ) qualitySelect.value = selQ;
                 
+                const selM = materialSelect.getAttribute('data-selected');
+                materialSelect.innerHTML = '';
+                const emptyOpt = document.createElement('option');
+                emptyOpt.value = ''; emptyOpt.textContent = "{{ _('Auto / Default') }}";
+                materialSelect.appendChild(emptyOpt);
+                if(data.materials) {
+                    data.materials.forEach(p => {
+                        const opt = document.createElement('option');
+                        opt.value = p.id; opt.textContent = p.name;
+                        materialSelect.appendChild(opt);
+                    });
+                }
+                if(selM) materialSelect.value = selM;
+                
                 const selP = patternSelect.getAttribute('data-selected');
                 patternSelect.innerHTML = '';
                 data.support_patterns.forEach(p => {

app/utils/slice_engines/cura_engine.py

@@ -68,12 +68,17 @@ class CuraEngine:
                 preset_path = os.path.join(presets_path, 'creality', 'presets', quality_preset)
                 if os.path.exists(preset_path):
                     config.read(preset_path)
-                    material_type = config.get('metadata', 'material', fallback=None)
+                    material_type_from_preset = config.get('metadata', 'material', fallback=None)
                     variant_type = config.get('metadata', 'variant', fallback=None)
                     quality_type = config.get('metadata', 'quality_type', fallback=None)
                     
+                    # Use explicit material if provided, otherwise fallback to preset's material
+                    material_type = kwargs.get('material_preset') or material_type_from_preset
+                    
                     if material_type:
                         m_path = os.path.join(materials_path, f"{material_type}.inst.cfg")
+                        if not os.path.exists(m_path) and kwargs.get('material_preset'):
+                            m_path = os.path.join(materials_path, f"{kwargs.get('material_preset')}")
                         if os.path.exists(m_path): inst_files_list.append(m_path)
                     if variant_type:
                         variant_d = variant_type.split("mm")[0]
@@ -200,7 +205,7 @@ class CuraEngine:
         except:
             return []
 
-    def get_support_patterns(self):
+    def get_support_patterns(self, app):
         return [
             {'id': 'tree', 'name': 'Tree'},
             {'id': 'lines', 'name': 'Lines'},
@@ -213,3 +218,16 @@ class CuraEngine:
             {'id': 'honeycomb', 'name': 'Honeycomb'},
             {'id': 'octagon', 'name': 'Octagon'}
         ]
+
+    def get_materials(self, app):
+        try:
+            path = os.path.join(app.root_path, '..', 'print_config', 'cura_engine', 'materials')
+            if not os.path.exists(path): return []
+            files = [f for f in os.listdir(path) if f.endswith('.inst.cfg')]
+            materials = []
+            for f in files:
+                materials.append({'id': f, 'name': f.replace('.inst.cfg', '').replace('generic_', 'Generic ').replace('_', ' ').title()})
+            materials.sort(key=lambda x: x['name'])
+            return materials
+        except:
+            return []

app/utils/slice_engines/prusa_slicer_engine.py

@@ -30,10 +30,21 @@ class PrusaSlicerEngine:
             # Map quality, infill, supports to PrusaSlicer CLI arguments.
             # Example defaults, normally these would load from an .ini or be dynamically matched.
             quality_preset = kwargs.get('quality_preset')
+            material_preset = kwargs.get('material_preset')
             infill_density = kwargs.get('infill_density')
             support_enable = kwargs.get('support_enable')
             support_pattern = kwargs.get('support_pattern')
             
+            if quality_preset:
+                q_ini = os.path.join(app.root_path, '..', 'print_config', 'prusa_slicer', 'quality', f"{quality_preset}.ini")
+                if os.path.exists(q_ini):
+                    command.extend(['--load', q_ini])
+
+            if material_preset:
+                m_ini = os.path.join(app.root_path, '..', 'print_config', 'prusa_slicer', 'materials', f"{material_preset}.ini")
+                if os.path.exists(m_ini):
+                    command.extend(['--load', m_ini])
+            
             if infill_density is not None:
                 command.extend(["--fill-density", f"{infill_density}%"])
                 
@@ -80,10 +91,29 @@ class PrusaSlicerEngine:
                     })
         return quality_presets
 
-    def get_support_patterns(self):
+    def get_support_patterns(self, app):
-        return [
+        all_files = [f for f in os.listdir(os.path.join(app.root_path, '..', 'print_config', 'prusa_slicer',"supports")) if f.endswith('.ini')]
-            {'id': 'rectilinear', 'name': 'Rectilinear'},
+        support_presets = []
-            {'id': 'grid', 'name': 'Grid'},
+        for file in all_files:
-            {'id': 'organic', 'name': 'Organic (Tree)'},
+            with open(os.path.join(app.root_path, '..', 'print_config', 'prusa_slicer', "supports", file), 'r') as f:
-            {'id': 'snug', 'name': 'Snug'}
+                config = configparser.ConfigParser()
-        ]
+                config.read_file(f)
+                if 'metadata' in config:
+                    support_presets.append({
+                        'id': file.replace('.ini', ''),
+                        'name': config['metadata'].get('show_name', file.replace('.ini', '').replace('_', ' '))
+                    })
+        return support_presets
+
+    def get_materials(self, app):
+        try:
+            path = os.path.join(app.root_path, '..', 'print_config', 'prusa_slicer', 'materials')
+            if not os.path.exists(path): return []
+            files = [f for f in os.listdir(path) if f.endswith('.ini')]
+            materials = []
+            for f in files:
+                materials.append({'id': f.replace('.ini', ''), 'name': f.replace('.ini', '').replace('_', ' ')})
+            materials.sort(key=lambda x: x['name'])
+            return materials
+        except:
+            return []

app/utils/tasks.py

@@ -26,7 +26,7 @@ def get_gcode_dir(app):
 
 
 @huey.task()
-def slice_stl_task(file_id, stl_filepath, quality_preset=None, infill_density=None, support_enable=None, support_pattern=None, delete_stl=False):
+def slice_stl_task(file_id, stl_filepath, quality_preset=None, material_preset=None, infill_density=None, support_enable=None, support_pattern=None, delete_stl=False):
     # This is run by the Huey worker
     # We need to create an app context to interact with the database
     from app import create_app
@@ -61,6 +61,7 @@ def slice_stl_task(file_id, stl_filepath, quality_preset=None, infill_density=No
                 stl_filepath=stl_filepath,
                 gcode_filepath=gcode_filepath,
                 quality_preset=quality_preset,
+                material_preset=material_preset,
                 infill_density=infill_density,
                 support_enable=support_enable,
                 support_pattern=support_pattern
@@ -95,7 +96,7 @@ def slice_stl_task(file_id, stl_filepath, quality_preset=None, infill_density=No
 
 
 @huey.task()
-def merge_and_slice_task(file_id, inputs, merged_filepath, quality_preset=None, infill_density=None, support_enable=None, support_pattern=None, delete_stl=False):
+def merge_and_slice_task(file_id, inputs, merged_filepath, quality_preset=None, material_preset=None, infill_density=None, support_enable=None, support_pattern=None, delete_stl=False):
     from app import create_app
     app = create_app()
     with app.app_context():
@@ -112,7 +113,7 @@ def merge_and_slice_task(file_id, inputs, merged_filepath, quality_preset=None,
             
             # Now trigger the regular slicing task
             # We can just call the slicing logic or enqueue it
-            slice_stl_task(file_id, merged_filepath, quality_preset, infill_density, support_enable, support_pattern, delete_stl=delete_stl)
+            slice_stl_task(file_id, merged_filepath, quality_preset, material_preset, infill_density, support_enable, support_pattern, delete_stl=delete_stl)
         except Exception as e:
             print_file = PrintFile.query.get(file_id)
             if print_file:

print_config/prusa_slicer/supports/grid_support.ini

@@ -0,0 +1,50 @@
+[metadata]
+show_name = Grid Support
+
+
+[settings]
+enable_support = 1
+support_filament = 0
+support_line_width = 0.4
+support_interface_filament = 0
+support_on_build_plate_only = 0
+support_top_z_distance = 0.2
+support_interface_loop_pattern = 0
+support_interface_top_layers = 2
+support_interface_spacing = 0.5
+support_interface_speed = 100%
+support_base_pattern = rectilinear
+support_base_pattern_spacing = 2.5
+support_speed = 50
+support_threshold_angle = 30
+support_object_xy_distance = 0.35
+
+support_type = normal(auto)
+support_style = Grid
+support_interface_bottom_layers = 2
+tree_support_branch_angle = 45
+tree_support_wall_count = 0
+
+support_angle = 0
+support_bottom_interface_spacing = 0.5
+support_bottom_z_distance = 0.2
+support_critical_regions_only = 0
+support_expansion = 0
+support_interface_not_for_body = 1
+support_interface_pattern = auto
+support_remove_small_overhang = 1
+support_xy_overrides_z = xy_overrides_z
+
+tree_support_adaptive_layer_height = 1
+tree_support_angle_slow = 25
+tree_support_auto_brim = 1
+tree_support_branch_angle_organic = 40
+tree_support_branch_diameter = 2
+tree_support_branch_diameter_angle = 5
+tree_support_branch_diameter_double_wall = 3
+tree_support_branch_diameter_organic = 2
+tree_support_branch_distance = 5
+tree_support_branch_distance_organic = 1
+tree_support_brim_width = 3
+tree_support_tip_diameter = 0.8
+tree_support_top_rate = 30%

print_config/prusa_slicer/supports/snug_support.ini

@@ -0,0 +1,50 @@
+[metadata]
+show_name = Snug Support
+
+
+[settings]
+enable_support = 1
+support_filament = 0
+support_line_width = 0.4
+support_interface_filament = 0
+support_on_build_plate_only = 0
+support_top_z_distance = 0.2
+support_interface_loop_pattern = 0
+support_interface_top_layers = 2
+support_interface_spacing = 0.5
+support_interface_speed = 100%
+support_base_pattern = rectilinear
+support_base_pattern_spacing = 2.5
+support_speed = 50
+support_threshold_angle = 30
+support_object_xy_distance = 0.35
+
+support_type = normal(auto)
+support_style = Snug
+support_interface_bottom_layers = 2
+tree_support_branch_angle = 45
+tree_support_wall_count = 0
+
+support_angle = 0
+support_bottom_interface_spacing = 0.5
+support_bottom_z_distance = 0.2
+support_critical_regions_only = 0
+support_expansion = 0
+support_interface_not_for_body = 1
+support_interface_pattern = auto
+support_remove_small_overhang = 1
+support_xy_overrides_z = xy_overrides_z
+
+tree_support_adaptive_layer_height = 1
+tree_support_angle_slow = 25
+tree_support_auto_brim = 1
+tree_support_branch_angle_organic = 40
+tree_support_branch_diameter = 2
+tree_support_branch_diameter_angle = 5
+tree_support_branch_diameter_double_wall = 3
+tree_support_branch_diameter_organic = 2
+tree_support_branch_distance = 5
+tree_support_branch_distance_organic = 1
+tree_support_brim_width = 3
+tree_support_tip_diameter = 0.8
+tree_support_top_rate = 30%

print_config/prusa_slicer/supports/tree_support.ini

@@ -0,0 +1,50 @@
+[metadata]
+show_name = Tree Support
+
+
+[settings]
+enable_support = 1
+support_filament = 0
+support_line_width = 0.4
+support_interface_filament = 0
+support_on_build_plate_only = 0
+support_top_z_distance = 0.2
+support_interface_loop_pattern = 0
+support_interface_top_layers = 2
+support_interface_spacing = 0.5
+support_interface_speed = 100%
+support_base_pattern = rectilinear
+support_base_pattern_spacing = 2.5
+support_speed = 50
+support_threshold_angle = 30
+support_object_xy_distance = 0.35
+
+support_type = normal(auto)
+support_style = Organic
+support_interface_bottom_layers = 2
+tree_support_branch_angle = 45
+tree_support_wall_count = 0
+
+support_angle = 0
+support_bottom_interface_spacing = 0.5
+support_bottom_z_distance = 0.2
+support_critical_regions_only = 0
+support_expansion = 0
+support_interface_not_for_body = 1
+support_interface_pattern = auto
+support_remove_small_overhang = 1
+support_xy_overrides_z = xy_overrides_z
+
+tree_support_adaptive_layer_height = 1
+tree_support_angle_slow = 25
+tree_support_auto_brim = 1
+tree_support_branch_angle_organic = 40
+tree_support_branch_diameter = 2
+tree_support_branch_diameter_angle = 5
+tree_support_branch_diameter_double_wall = 3
+tree_support_branch_diameter_organic = 2
+tree_support_branch_distance = 5
+tree_support_branch_distance_organic = 1
+tree_support_brim_width = 3
+tree_support_tip_diameter = 0.8
+tree_support_top_rate = 30%