Add perforation

src/App.tsx

@@ -33,6 +33,12 @@ const App = () => {
     wallThickness: 1.2,
     printerTolerance: 0.5,
     cornerRadius: 4,
+    perforation: {
+      enabled: false,
+      shape: 'honeycomb',
+      size: 8,
+      gap: 2
+    }
   });
 
   const [splits, setSplits] = useState<LayoutSplits>({

src/components/ConfigStep.tsx

@@ -1,6 +1,6 @@
 import React from 'react';
-import { AppConfig } from '../types';
+import { AppConfig, PerforationShape } from '../types';
-import { Ruler, Box, Layers, Minimize2, CircleDashed } from 'lucide-react';
+import { Ruler, Box, Layers, Minimize2, CircleDashed, Grid, Circle, Hexagon, Triangle } from 'lucide-react';
 
 interface Props {
   config: AppConfig;
@@ -39,13 +39,92 @@ const NumberInput = ({
   </div>
 );
 
+const PerforationPreview = ({ config }: { config: AppConfig['perforation'] }) => {
+  if (!config.enabled) return (
+    <div className="w-full h-48 bg-slate-950 rounded-lg border border-slate-800 flex items-center justify-center text-gray-600">
+      <span className="text-sm">Перфорация отключена</span>
+    </div>
+  );
+
+  // Simple canvas-like SVG generation
+  const width = 200;
+  const height = 120;
+  const size = config.size * 2; // Scale up mostly for visibility
+  const gap = config.gap * 2;
+  const step = size + gap;
+
+  const elements = [];
+
+  if (config.shape === 'circle') {
+    for (let y = 0; y < height; y += step) {
+      for (let x = 0; x < width; x += step) {
+        elements.push(<circle key={`${x}-${y}`} cx={x + step / 2} cy={y + step / 2} r={size / 2} fill="#3b82f6" />);
+      }
+    }
+  } else if (config.shape === 'honeycomb') {
+    const hStep = size * 0.866; // height of equilateral triangle
+    for (let y = 0; y < height; y += (size + gap) * 0.85) {
+      const row = Math.floor(y / ((size + gap) * 0.85));
+      const xOffset = row % 2 === 0 ? 0 : (size + gap) / 2;
+      for (let x = xOffset - step; x < width; x += step) {
+        // Hexagon points
+        const r = size / 2;
+        const cx = x + step / 2;
+        const cy = y + step / 2;
+        // Points for flat-topped hexagon
+        const points = [];
+        for (let i = 0; i < 6; i++) {
+          const angle_deg = 60 * i + 30;
+          const angle_rad = Math.PI / 180 * angle_deg;
+          points.push(`${cx + r * Math.cos(angle_rad)},${cy + r * Math.sin(angle_rad)}`);
+        }
+        elements.push(<polygon key={`${x}-${y}`} points={points.join(" ")} fill="#3b82f6" />);
+      }
+    }
+  } else if (config.shape === 'triangle') {
+    for (let y = 0; y < height; y += step * 0.866) { // Staggered rows
+      const row = Math.floor(y / (step * 0.866));
+      const xOffset = row % 2 === 0 ? 0 : step / 2;
+      for (let x = -step + xOffset; x < width; x += step) {
+        const cx = x + step / 2;
+        const cy = y + step / 2;
+        const r = size / 2;
+        // Upright triangle
+        const points = [
+          `${cx},${cy - r}`,
+          `${cx + r * 0.866},${cy + r * 0.5}`,
+          `${cx - r * 0.866},${cy + r * 0.5}`
+        ];
+        elements.push(<polygon key={`${x}-${y}`} points={points.join(" ")} fill="#3b82f6" />);
+      }
+    }
+  }
+
+  return (
+    <div className="w-full h-48 bg-slate-950 rounded-lg border border-slate-800 overflow-hidden relative">
+      <svg width="100%" height="100%" viewBox={`0 0 ${width} ${height}`} preserveAspectRatio="xMidYMid slice">
+        {elements}
+      </svg>
+      <div className="absolute top-2 right-2 text-xs text-gray-500">:: Масштаб условен</div>
+    </div>
+  );
+}
+
+
 export const ConfigStep: React.FC<Props> = ({ config, onChange }) => {
   const updateDrawer = (key: keyof AppConfig['drawer'], val: number) => {
     onChange({ ...config, drawer: { ...config.drawer, [key]: val } });
   };
 
+  const updatePerforation = (key: keyof AppConfig['perforation'], val: any) => {
+    onChange({ ...config, perforation: { ...config.perforation, [key]: val } })
+  }
+
   return (
-    <div className="bg-slate-900 p-6 rounded-xl shadow-lg border border-slate-800 animate-fade-in">
+    <div className="bg-slate-900 p-6 rounded-xl shadow-lg border border-slate-800 animate-fade-in space-y-8">
+
+      {/* SECTION 1: Dimensions & Settings */}
+      <div>
         <h2 className="text-xl font-bold mb-6 flex items-center gap-2 text-primary">
           <Box size={24} /> 1. Размеры
         </h2>
@@ -96,7 +175,7 @@ export const ConfigStep: React.FC<Props> = ({ config, onChange }) => {
               </div>
             </div>
 
-           {/* Corner Radius (NEW) */}
+            {/* Corner Radius */}
             <div className="mb-6">
               <div className="flex justify-between items-center mb-2">
                 <label className="text-sm font-medium text-gray-300 flex items-center gap-1">
@@ -149,5 +228,93 @@ export const ConfigStep: React.FC<Props> = ({ config, onChange }) => {
           </div>
         </div>
       </div>
+
+      {/* SECTION 2: Perforation */}
+      <div className="bg-slate-800/30 p-6 rounded-lg border border-slate-700/50">
+        <div className="flex items-center justify-between mb-6">
+          <h3 className="text-lg font-semibold flex items-center gap-2 text-blue-400">
+            <Grid size={20} /> 2. Перфорация (узоры)
+          </h3>
+
+          <div className="flex items-center gap-3">
+            <span className="text-sm font-medium text-gray-400 uppercase tracking-wider">Включено</span>
+            <button
+              onClick={() => updatePerforation('enabled', !config.perforation.enabled)}
+              className={`w-12 h-6 rounded-full relative transition-colors duration-200 ease-in-out focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 ${config.perforation.enabled ? 'bg-blue-600' : 'bg-slate-600'}`}
+            >
+              <span className={`block w-4 h-4 rounded-full bg-white shadow transform transition-transform duration-200 ease-in-out absolute top-1 ${config.perforation.enabled ? 'translate-x-7' : 'translate-x-1'}`} />
+            </button>
+          </div>
+        </div>
+
+        <div className={`grid grid-cols-1 md:grid-cols-2 gap-8 transition-all duration-300 ${config.perforation.enabled ? 'opacity-100 pointer-events-auto' : 'opacity-40 pointer-events-none filter blur-[1px]'}`}>
+          <div>
+            <label className="text-xs font-bold text-gray-500 uppercase mb-3 block">Тип узора</label>
+            <div className="flex gap-4 mb-8">
+              {[
+                { id: 'circle', icon: Circle, label: 'Круг' },
+                { id: 'honeycomb', icon: Hexagon, label: 'Соты' },
+                { id: 'triangle', icon: Triangle, label: 'Треуг.' }
+              ].map((item) => (
+                <button
+                  key={item.id}
+                  onClick={() => updatePerforation('shape', item.id as PerforationShape)}
+                  className={`flex-1 flex flex-col items-center justify-center gap-2 py-4 px-2 rounded-lg border transition-all ${config.perforation.shape === item.id
+                      ? 'bg-slate-700/80 border-blue-500 text-blue-400 shadow-lg shadow-blue-500/10'
+                      : 'bg-slate-800 border-slate-700 text-gray-400 hover:bg-slate-750 hover:border-slate-600'
+                    }`}
+                >
+                  <item.icon size={24} />
+                  <span className="text-sm font-medium">{item.label}</span>
+                </button>
+              ))}
+            </div>
+
+            {/* Resize Controls */}
+            <div className="space-y-6">
+              <div>
+                <div className="flex justify-between items-center mb-2">
+                  <label className="text-sm font-medium text-gray-300">Диаметр отверстий</label>
+                  <span className="text-sm font-bold text-blue-400">{config.perforation.size} мм</span>
+                </div>
+                <div className="flex items-center gap-4">
+                  <span className="text-xs text-gray-500">2 мм</span>
+                  <input
+                    type="range" min="2" max="25" step="1"
+                    value={config.perforation.size}
+                    onChange={(e) => updatePerforation('size', parseFloat(e.target.value))}
+                    className="flex-1 h-1.5 bg-slate-700 rounded-lg appearance-none cursor-pointer accent-blue-500"
+                  />
+                  <span className="text-xs text-gray-500">25 мм</span>
+                </div>
+              </div>
+
+              <div>
+                <div className="flex justify-between items-center mb-2">
+                  <label className="text-sm font-medium text-gray-300">Зазор (между отверстиями)</label>
+                  <span className="text-sm font-bold text-blue-400">{config.perforation.gap} мм</span>
+                </div>
+                <div className="flex items-center gap-4">
+                  <span className="text-xs text-gray-500">1 мм</span>
+                  <input
+                    type="range" min="1" max="10" step="0.5"
+                    value={config.perforation.gap}
+                    onChange={(e) => updatePerforation('gap', parseFloat(e.target.value))}
+                    className="flex-1 h-1.5 bg-slate-700 rounded-lg appearance-none cursor-pointer accent-blue-500"
+                  />
+                  <span className="text-xs text-gray-500">10 мм</span>
+                </div>
+              </div>
+            </div>
+          </div>
+
+          {/* Preview */}
+          <div>
+            <label className="text-xs font-bold text-gray-500 uppercase mb-3 block">Предпросмотр</label>
+            <PerforationPreview config={config.perforation} />
+          </div>
+        </div>
+      </div>
+    </div>
   );
 };

src/components/PreviewStep.tsx

@@ -3,7 +3,7 @@ import { Canvas } from '@react-three/fiber';
 import { OrbitControls, Center, Environment } from '@react-three/drei';
 import * as THREE from 'three';
 import JSZip from 'jszip';
-import { AppConfig, GeneratedPart, LayoutSplits } from '../types';
+import { AppConfig, GeneratedPart, LayoutSplits, PerforationConfig } from '../types';
 import { createBinGeometry, generateSTL, exportSTL } from '../services/geometryGenerator';
 import { Download, Package, Info, Loader2, Share2, Check, Ruler } from 'lucide-react';
 import { generateShareUrl } from '../utils/share';
@@ -27,11 +27,12 @@ interface BinMeshProps {
     part: GeneratedPart;
     thickness: number;
     cornerRadius: number;
+    perforation: PerforationConfig;
     isSelected: boolean;
     onClick: () => void;
 }
 
-const BinMesh: React.FC<BinMeshProps> = ({ part, thickness, cornerRadius, isSelected, onClick }) => {
+const BinMesh: React.FC<BinMeshProps> = ({ part, thickness, cornerRadius, perforation, isSelected, onClick }) => {
     // 1. Создаем геометрию, учитывая ВНУТРЕННИЕ ПЕРЕГОРОДКИ
     const geometry = useMemo(() => {
         return createBinGeometry(
@@ -40,9 +41,10 @@ const BinMesh: React.FC<BinMeshProps> = ({ part, thickness, cornerRadius, isSele
             part.height,
             thickness,
             cornerRadius,
-        part.internalPartitions // <--- ВАЖНО: передаем перегородки в генератор
+            part.internalPartitions, // <--- ВАЖНО: передаем перегородки в генератор
+            perforation
         );
-  }, [part, thickness, cornerRadius]);
+    }, [part, thickness, cornerRadius, perforation]);
 
     // 2. Создаем контур выделения (EdgesGeometry)
     // Threshold 20 градусов скрывает линии на плавных скруглениях
@@ -100,7 +102,8 @@ export const PreviewStep: React.FC<Props> = ({ parts, config, splits }) => {
             part.height,
             config.wallThickness,
             config.cornerRadius,
-        part.internalPartitions // <--- ВАЖНО для STL
+            part.internalPartitions, // <--- ВАЖНО для STL
+            config.perforation
         );
         const mesh = new THREE.Mesh(geometry, new THREE.MeshStandardMaterial());
         exportSTL(mesh, `${part.name.replace(/\s+/g, '_')}.stl`);
@@ -119,7 +122,8 @@ export const PreviewStep: React.FC<Props> = ({ parts, config, splits }) => {
                     part.height,
                     config.wallThickness,
                     config.cornerRadius,
-                part.internalPartitions // <--- ВАЖНО для STL
+                    part.internalPartitions, // <--- ВАЖНО для STL
+                    config.perforation
                 );
                 const mesh = new THREE.Mesh(geometry, new THREE.MeshStandardMaterial());
                 const stlData = generateSTL(mesh);
@@ -251,6 +255,7 @@ export const PreviewStep: React.FC<Props> = ({ parts, config, splits }) => {
                                             part={part}
                                             thickness={config.wallThickness}
                                             cornerRadius={config.cornerRadius || 0}
+                                            perforation={config.perforation}
                                             isSelected={selectedId === part.id}
                                             onClick={() => setSelectedId(part.id)}
                                         />

src/services/geometryGenerator.ts

@@ -1,6 +1,6 @@
 import * as THREE from 'three';
 import { STLExporter, mergeBufferGeometries } from 'three-stdlib';
-import { AppConfig, LayoutSplits, GeneratedPart, Partition } from '../types';
+import { AppConfig, LayoutSplits, GeneratedPart, Partition, PerforationConfig } from '../types';
 
 export const calculateParts = (config: AppConfig, splits: LayoutSplits): GeneratedPart[] => {
     const parts: GeneratedPart[] = [];
@@ -83,17 +83,115 @@ const createConcaveFilletShape = (radius: number): THREE.Shape => {
     return shape;
 };
 
+// New Helper: Create Perforated Plate (Vertical Wall)
+const createPerforatedPlate = (width: number, height: number, thickness: number, perf: PerforationConfig): THREE.BufferGeometry => {
+    const shape = new THREE.Shape();
+    shape.moveTo(0, 0);
+    shape.lineTo(width, 0);
+    shape.lineTo(width, height);
+    shape.lineTo(0, height);
+    shape.lineTo(0, 0);
+
+    // Hole Generation
+    if (perf && perf.enabled && width > perf.size && height > perf.size) {
+        const { shape: shapeType, size, gap } = perf;
+        const step = size + gap;
+        const startX = gap; // Margin
+        const startY = gap; // Margin
+        const endX = width - gap; // Margin
+        const endY = height - gap;
+
+        // Rows
+        let row = 0;
+        for (let y = startY + size / 2; y < endY; y += (shapeType === 'triangle' || shapeType === 'honeycomb' ? step * 0.866 : step)) {
+            const isStaggered = (row % 2 !== 0);
+            const xOffset = (isStaggered && (shapeType === 'honeycomb' || shapeType === 'triangle')) ? step / 2 : 0;
+
+            for (let x = startX + size / 2 + xOffset; x < endX; x += step) {
+                const hole = new THREE.Path();
+                const r = size / 2;
+
+                // Boundary check (approximate center check)
+                if (x - r < 0 || x + r > width || y - r < 0 || y + r > height) continue;
+
+                if (shapeType === 'circle') {
+                    hole.absarc(x, y, r, 0, Math.PI * 2, true);
+                } else if (shapeType === 'honeycomb') {
+                    // Hexagon
+                    for (let i = 0; i < 6; i++) {
+                        const ang = (i * 60 + 30) * Math.PI / 180;
+                        const px = x + r * Math.cos(ang);
+                        const py = y + r * Math.sin(ang);
+                        if (i === 0) hole.moveTo(px, py);
+                        else hole.lineTo(px, py);
+                    }
+                    hole.closePath();
+                } else if (shapeType === 'triangle') {
+                    // Triangle
+                    const ang1 = -90 * Math.PI / 180;
+                    const ang2 = 30 * Math.PI / 180;
+                    const ang3 = 150 * Math.PI / 180;
+                    hole.moveTo(x + r * Math.cos(ang1), y + r * Math.sin(ang1));
+                    hole.lineTo(x + r * Math.cos(ang2), y + r * Math.sin(ang2));
+                    hole.lineTo(x + r * Math.cos(ang3), y + r * Math.sin(ang3));
+                    hole.closePath();
+                }
+                shape.holes.push(hole);
+            }
+            row++;
+        }
+    }
+
+    const geo = new THREE.ExtrudeGeometry(shape, { depth: thickness, bevelEnabled: false });
+    // Extruded along Z. Wall is flat on XY. 
+    // We want "thickness" to be Z depth.
+    return geo;
+};
+
+// New Helper: Create Corner Profile (Extruded Vertical)
+const createCornerProfile = (radius: number, thickness: number, height: number): THREE.BufferGeometry => {
+    if (radius <= 0) return new THREE.BufferGeometry();
+    const shape = new THREE.Shape();
+    // External Arc (from X-axis to Y-axis)
+    shape.absarc(0, 0, radius, 0, Math.PI / 2, false);
+    // Line to inner
+    shape.lineTo(0, radius - thickness); // Assuming innerRadius = radius - thickness
+    // Inner Arc (backwards)
+    const innerRadius = Math.max(0.1, radius - thickness);
+    shape.absarc(0, 0, innerRadius, Math.PI / 2, 0, true);
+    // Close
+    shape.lineTo(radius, 0);
+
+    // Extrude vertically (Height is Z for now, usually Extrude goes Z)
+    const geo = new THREE.ExtrudeGeometry(shape, { depth: height, bevelEnabled: false, curveSegments: 16 });
+    // Rotate so height is along Y? No, Extrude defaults to Z depth.
+    // We want the Profile on XZ plane extruded up Y?
+    // Shape is on XY. Extrude is Z.
+    // If shape is on XY (top view of corner), Extrude Z creates Height. 
+    // This matches standard logic if we rotate whole object later.
+    return geo;
+};
+
 export const createBinGeometry = (
-  width: number, depth: number, height: number, thickness: number, radius: number = 0, partitions: Partition[] = []
+    width: number,
+    depth: number,
+    height: number,
+    thickness: number,
+    radius: number = 0,
+    partitions: Partition[] = [],
+    perforation?: PerforationConfig
 ): THREE.BufferGeometry => {
     const geometries: THREE.BufferGeometry[] = [];
 
-  // ДНО И ВНЕШНИЕ СТЕНКИ
+    // ДНО (Floor) - Always same
     const floorShape = createRoundedRectShape(width, depth, radius);
     const floorGeo = new THREE.ExtrudeGeometry(floorShape, { depth: thickness, bevelEnabled: false });
-  floorGeo.rotateX(-Math.PI / 2);
+    floorGeo.rotateX(-Math.PI / 2); // Lay flat
     geometries.push(floorGeo);
 
+    // WALLS
+    if (!perforation || !perforation.enabled) {
+        // --- ORIGINAL LOGIC (Optimized for Solid Walls) ---
         const outerShape = createRoundedRectShape(width, depth, radius);
         const innerRadius = Math.max(0.1, radius - thickness);
         const innerWidth = width - (2 * thickness);
@@ -109,10 +207,109 @@ export const createBinGeometry = (
         wallGeo.rotateX(-Math.PI / 2);
         wallGeo.translate(0, thickness, 0);
         geometries.push(wallGeo);
+    } else {
+        // --- PERFORATED LOGIC (Split Walls) ---
+        const wallHeight = height - thickness;
+        // Clamp radius to at least thickness for valid corners in this mode
+        const effRadius = Math.max(radius, thickness);
+
+        const straightW = width - 2 * effRadius;
+        const straightD = depth - 2 * effRadius;
+
+        // 1. Corners (4 pcs)
+        if (effRadius > 0) {
+            const cornerGeoBase = createCornerProfile(effRadius, thickness, wallHeight);
+
+            // 1. Stand Up: Extrusion Z -> Y. Shape moves to X(+)/Z(+).
+            cornerGeoBase.rotateX(-Math.PI / 2);
+
+            const positions = [
+                { x: width / 2 - effRadius, z: depth / 2 - effRadius, rot: -Math.PI / 2 },     // Front Right (X+, Z+) -> Needs (X+, Z+). Base is (X+, Z-). Rot -90 -> (Z+, X+)
+                { x: -(width / 2 - effRadius), z: depth / 2 - effRadius, rot: Math.PI },     // Front Left (X-, Z+) -> Needs (X-, Z+). Rot 180 -> (X-, Z+)
+                { x: -(width / 2 - effRadius), z: -(depth / 2 - effRadius), rot: Math.PI / 2 }, // Back Left (X-, Z-) -> Needs (X-, Z-). Rot 90 -> (Z-, X-) which is X-, Z-? No wait.
+                // Rot 90 on (X+, Z-): X->Z, Z->-X. (X+, Z-) -> (-Z, -X) = (X-, Z-). Correct.
+                { x: width / 2 - effRadius, z: -(depth / 2 - effRadius), rot: 0 }            // Back Right (X+, Z-) -> Matches Base.
+            ];
+
+            positions.forEach(pos => {
+                const c = cornerGeoBase.clone();
+                c.rotateY(pos.rot);
+                c.translate(pos.x, thickness, pos.z);
+                geometries.push(c);
+            });
+        }
+
+        // 2. Straight Walls (4 pcs) - Centered on edges
+        // Front/Back
+        if (straightW > 0.1) {
+            const wGeo = createPerforatedPlate(straightW, wallHeight, thickness, perforation);
+            // Plate: 0..W in X, 0..H in Y, 0..Th in Z.
+            // Center Horizontally:
+            wGeo.translate(-straightW / 2, 0, 0);
+
+            // Wall 1 (Back / Top? +Z): 
+            // Needs to be at Z = Depth/2. 
+            // Plate thickness is along Z (positive).
+            // If we put it at Z = D/2 - thickness, it occupies [D/2 - th, D/2].
+            // Inner face at D/2 - th. Outer face at D/2. Correct.
+            const w1 = wGeo.clone();
+            w1.translate(0, thickness, depth / 2 - thickness);
+            geometries.push(w1);
+
+            // Wall 2 (Front / Bottom? -Z):
+            // Needs to be at Z = -Depth/2.
+            // Occupies [-D/2, -D/2 + th].
+            // RotateY(180)? 
+            // Plate (X, Z-thick). Rot180 -> (-X, -Z-thick).
+            // If original in [-W/2, W/2]x[0,th].
+            // Rot180 -> [W/2, -W/2]x[0,-th].
+            // Translate to Z = -(Depth/2 - thickness). -> [-th - (D/2 - th)] = -D/2.
+            // Wait. [-th - D/2 + th] = -D/2. Correct?
+            // Let's just translate manually without rotation for robustness, assuming pattern symmetric or acceptable.
+
+            const w2 = wGeo.clone();
+            // Rotate to face out?
+            w2.rotateY(Math.PI);
+            // After RotY(180): Z becomes negative. Range [-th, 0].
+            // We want range [-D/2, -D/2 + th].
+            // So translate Z by -D/2 + th.
+            w2.translate(0, thickness, -(depth / 2 - thickness));
+            geometries.push(w2);
+        }
+
+        // Left/Right
+        if (straightD > 0.1) {
+            const dGeo = createPerforatedPlate(straightD, wallHeight, thickness, perforation);
+            dGeo.translate(-straightD / 2, 0, 0);
+
+            // Wall 3 (Right? +X).
+            // RotateY(-90). X -> Z, Z -> -X.
+            // Plate Z[0, th] -> X[-th, 0].
+            // We want X [W/2 - th, W/2].
+            // So Translate X by W/2.
+            const w3 = dGeo.clone();
+            w3.rotateY(-Math.PI / 2);
+            w3.translate(width / 2, thickness, 0);
+            geometries.push(w3);
+
+            // Wall 4 (Left? -X).
+            // RotateY(90). X -> -Z, Z -> X.
+            // Plate Z[0, th] -> X[0, th].
+            // We want X [-W/2, -W/2 + th].
+            // Translate X by -W/2.
+            const w4 = dGeo.clone();
+            w4.rotateY(Math.PI / 2);
+            w4.translate(-(width / 2), thickness, 0);
+            geometries.push(w4);
+        }
+    }
+
+
+    // ВНУТРЕННИЕ ПЕРЕГОРОДКИ
+    const innerWidth = width - (2 * thickness);
+    const innerDepth = depth - (2 * thickness); // Approximate usable space logic
 
-  // ВНУТРЕННИЕ ПЕРЕГОРОДКИ (СТРОГО ПО ДАННЫМ, БЕЗ SOLVER)
     partitions.forEach(p => {
-      // Берем данные напрямую. Если в 2D нарисовано от 0.2 до 0.8, тут будет 0.2 до 0.8.
         const pMin = p.min ?? 0;
         const pMax = p.max ?? 1;
 
@@ -121,8 +318,56 @@ export const createBinGeometry = (
         const lengthRatio = pMax - pMin;
         const midRatio = pMin + (lengthRatio / 2);
 
-      let pWidth = 0, pDepth = 0, pX = 0, pY = 0; 
+        // --- PERFORATED LOGIC FOR PARTITIONS ---
+        // If enabled, use Plate. Else use Extrude Solid.
+        const usePerf = perforation && perforation.enabled;
+        let pX = 0, pY = 0; // Declare here for visibility in Fillets
 
+        if (usePerf) {
+            // Calculate exact geometry
+            let pLen = 0;
+
+            if (p.axis === 'x') {
+                // Axis X -> Divider runs along Y (Depth)
+                pLen = lengthRatio * innerDepth;
+                pX = (-innerWidth / 2) + (innerWidth * p.offset);
+                pY = (-innerDepth / 2) + (innerDepth * midRatio); // Center of partition
+
+                // Create Plate (Length, Height)
+                const plate = createPerforatedPlate(pLen, p.height, thickness, perforation!);
+                plate.translate(-pLen / 2, 0, 0); // Center X
+
+                // Rotate to align with Depth (along Z)
+                // Plate X -> Z
+                plate.rotateY(-Math.PI / 2);
+
+                // Position
+                // Plate is now vertical Z-aligned. Thickness along X.
+                plate.translate(pX + thickness / 2, thickness, pY);
+                geometries.push(plate);
+
+            } else {
+                // Axis Y -> Divider runs along X (Width)
+                pLen = lengthRatio * innerWidth;
+                pX = (-innerWidth / 2) + (innerWidth * midRatio);
+                pY = (-innerDepth / 2) + (innerDepth * p.offset);
+
+                const plate = createPerforatedPlate(pLen, p.height, thickness, perforation!);
+                plate.translate(-pLen / 2, 0, 0); // Center X
+
+                // Already aligned with X. Thickness along Z.
+                // Z range [0, th]. We want [-th/2, th/2] relative to pY.
+                // Translate Z by -th/2.
+                plate.translate(0, 0, -thickness / 2);
+
+                // Move to position
+                plate.translate(pX, thickness, pY);
+                geometries.push(plate);
+            }
+
+        } else {
+            // --- SOLID LOGIC ---
+            let pWidth = 0, pDepth = 0;
             if (p.axis === 'x') {
                 pWidth = thickness;
                 pDepth = lengthRatio * innerDepth;
@@ -140,23 +385,21 @@ export const createBinGeometry = (
             partGeo.rotateX(-Math.PI / 2);
             partGeo.translate(pX, thickness, pY);
             geometries.push(partGeo);
+        }
 
-      // СКРУГЛЕНИЯ (Fillets)
+        // Fillets Logic for partitions (Keep solid for strength/aesthetics)
         if (p.rounded && radius > 1) {
             const filletR = Math.min(radius, 5);
             const filletShape = createConcaveFilletShape(filletR);
 
-          // Функция проверки высоты соседа (простая проверка на пересечение)
+            // Helper to get neighbor height
             const getNeighborHeight = (pos: number) => {
-              if (pos < 0.001 || pos > 0.999) return height; // Край ящика
+                if (pos < 0.001 || pos > 0.999) return height;
-              
                 const neighbor = partitions.find(n => {
-                  if (n.axis === p.axis) return false; // Перпендикуляр
+                    if (n.axis === p.axis) return false;
                     const nMin = n.min ?? 0;
                     const nMax = n.max ?? 1;
-                  // Совпадает ли позиция?
                     if (Math.abs(n.offset - pos) > 0.002) return false;
-                  // Перекрывает ли?
                     return p.offset > nMin && p.offset < nMax;
                 });
                 return neighbor ? neighbor.height : 0;
@@ -210,7 +453,7 @@ export const generateSTL = (mesh: THREE.Object3D): Uint8Array | string => {
 
 export const exportSTL = (mesh: THREE.Object3D, filename: string) => {
     const result = generateSTL(mesh);
-    const blob = new Blob([result], { type: 'application/octet-stream' });
+    const blob = new Blob([result as any], { type: 'application/octet-stream' });
     const link = document.createElement('a');
     link.href = URL.createObjectURL(blob);
     link.download = filename;

src/types.ts

@@ -9,6 +9,16 @@ export interface AppConfig {
   wallThickness: number;
   printerTolerance: number;
   cornerRadius: number;
+  perforation: PerforationConfig;
+}
+
+export type PerforationShape = 'circle' | 'honeycomb' | 'triangle' | 'diamond';
+
+export interface PerforationConfig {
+  enabled: boolean;
+  shape: PerforationShape;
+  size: number;
+  gap: number;
 }
 
 export interface Partition {