Fix this link

.gitignore

@@ -1,2 +1,2 @@
 .venv/
-
+wiki

Dockerfile.cli

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+FROM python:3.11-slim
+
+# Install system dependencies for trimesh/shapely if needed
+RUN apt-get update && apt-get install -y \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY convert_nametags.py .
+
+ENTRYPOINT ["python", "convert_nametags.py"]

README.md

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+# svg2nametag-Ren
+
+<p align="center">
+  <img src="webapp/public/pwa-192x192.png" alt="Logo" width="128">
+</p>
+
+## Overview
+**svg2nametag-Ren** converts 2D SVG designs into 3D printable nametags. It automatically splits your design into separate files for different colors, making it easy to print multi-color nametags on printers like the Bambu Lab series.
+
+For detailed setup and usage guides, please check out the **[Wiki](https://git.randomhack.com/Retro/svg2NameTag-Ren/wiki)**.
+
+## Physical Dimensions
+The program automatically scales all designs to these specific measurements for a consistent, professional look:
+
+- **Total Width**: 87.80 mm
+- **Background Thickness**: 3.0 mm
+- **Text/Detail Thickness**: 2.0 mm
+- **Text/Detail Offset**: 3.0 mm (Text sits at 4mm from the bottom)
+- **Total Height**: 5.0 mm (Text sits 3mm high and extends 2mm up)
+
+## Ways to Use
+- **Web App**: The easiest way! Just open the web page, drag your files in, and download the results. No installation required.
+- **Python Tool**: For advanced users who want to process hundreds of files at once using the command line. Requires Python 3.12 or higher and some basic knowledge of the command line.

webapp/.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

webapp/Dockerfile

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+# Build stage
+FROM node:18-slim AS build
+WORKDIR /app
+COPY package*.json ./
+RUN npm install
+COPY . .
+RUN npm run build
+
+# Production stage
+FROM nginx:stable-alpine
+# Copy the build output
+COPY --from=build /app/dist /usr/share/nginx/html
+
+# Custom nginx config to handle WASM and SPA routing
+RUN printf "server {\n\
+    listen 80;\n\
+    location / {\n\
+        root /usr/share/nginx/html;\n\
+        index index.html;\n\
+        try_files \$uri \$uri/ /index.html;\n\
+    }\n\
+    location ~* \\.wasm$ {\n\
+        root /usr/share/nginx/html;\n\
+        default_type application/wasm;\n\
+    }\n\
+}" > /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

webapp/README.md

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+# React + Vite
+
+This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
+
+Currently, two official plugins are available:
+
+- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react) uses [Babel](https://babeljs.io/) (or [oxc](https://oxc.rs) when used in [rolldown-vite](https://vite.dev/guide/rolldown)) for Fast Refresh
+- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
+
+## React Compiler
+
+The React Compiler is not enabled on this template because of its impact on dev & build performances. To add it, see [this documentation](https://react.dev/learn/react-compiler/installation).
+
+## Expanding the ESLint configuration
+
+If you are developing a production application, we recommend using TypeScript with type-aware lint rules enabled. Check out the [TS template](https://github.com/vitejs/vite/tree/main/packages/create-vite/template-react-ts) for information on how to integrate TypeScript and [`typescript-eslint`](https://typescript-eslint.io) in your project.

webapp/dev-dist/registerSW.js

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+if('serviceWorker' in navigator) navigator.serviceWorker.register('/dev-sw.js?dev-sw', { scope: '/', type: 'classic' })

webapp/dev-dist/sw.js

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+/**
+ * Copyright 2018 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// If the loader is already loaded, just stop.
+if (!self.define) {
+  let registry = {};
+
+  // Used for `eval` and `importScripts` where we can't get script URL by other means.
+  // In both cases, it's safe to use a global var because those functions are synchronous.
+  let nextDefineUri;
+
+  const singleRequire = (uri, parentUri) => {
+    uri = new URL(uri + ".js", parentUri).href;
+    return registry[uri] || (
+      
+        new Promise(resolve => {
+          if ("document" in self) {
+            const script = document.createElement("script");
+            script.src = uri;
+            script.onload = resolve;
+            document.head.appendChild(script);
+          } else {
+            nextDefineUri = uri;
+            importScripts(uri);
+            resolve();
+          }
+        })
+      
+      .then(() => {
+        let promise = registry[uri];
+        if (!promise) {
+          throw new Error(`Module ${uri} didn’t register its module`);
+        }
+        return promise;
+      })
+    );
+  };
+
+  self.define = (depsNames, factory) => {
+    const uri = nextDefineUri || ("document" in self ? document.currentScript.src : "") || location.href;
+    if (registry[uri]) {
+      // Module is already loading or loaded.
+      return;
+    }
+    let exports = {};
+    const require = depUri => singleRequire(depUri, uri);
+    const specialDeps = {
+      module: { uri },
+      exports,
+      require
+    };
+    registry[uri] = Promise.all(depsNames.map(
+      depName => specialDeps[depName] || require(depName)
+    )).then(deps => {
+      factory(...deps);
+      return exports;
+    });
+  };
+}
+define(['./workbox-5a5d9309'], (function (workbox) { 'use strict';
+
+  self.skipWaiting();
+  workbox.clientsClaim();
+
+  /**
+   * The precacheAndRoute() method efficiently caches and responds to
+   * requests for URLs in the manifest.
+   * See https://goo.gl/S9QRab
+   */
+  workbox.precacheAndRoute([{
+    "url": "registerSW.js",
+    "revision": "3ca0b8505b4bec776b69afdba2768812"
+  }, {
+    "url": "index.html",
+    "revision": "0.5auj614cprc"
+  }], {});
+  workbox.cleanupOutdatedCaches();
+  workbox.registerRoute(new workbox.NavigationRoute(workbox.createHandlerBoundToURL("index.html"), {
+    allowlist: [/^\/$/]
+  }));
+
+}));

webapp/eslint.config.js

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+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import { defineConfig, globalIgnores } from 'eslint/config'
+
+export default defineConfig([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{js,jsx}'],
+    extends: [
+      js.configs.recommended,
+      reactHooks.configs.flat.recommended,
+      reactRefresh.configs.vite,
+    ],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+      parserOptions: {
+        ecmaVersion: 'latest',
+        ecmaFeatures: { jsx: true },
+        sourceType: 'module',
+      },
+    },
+    rules: {
+      'no-unused-vars': ['error', { varsIgnorePattern: '^[A-Z_]' }],
+    },
+  },
+])

webapp/index.html

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+<!doctype html>
+<html lang="en">
+
+<head>
+  <meta charset="UTF-8" />
+  <link rel="icon" type="image/png" href="/favicon.ico" />
+  <link rel="shortcut icon" type="image/png" href="/favicon.ico" />
+  <link rel="apple-touch-icon" href="/pwa-192x192.png" />
+  <meta name="theme-color" content="#1a1a1a" />
+  <meta name="description" content="Convert SVG files to 3D printable nametags offline." />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>SVG to Nametag Converter</title>
+</head>
+
+<body>
+  <div id="root"></div>
+  <script type="module" src="/src/main.jsx"></script>
+</body>
+
+</html>

webapp/package.json

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+{
+  "name": "webapp",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "lint": "eslint .",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "@react-three/drei": "^10.7.7",
+    "@react-three/fiber": "^9.5.0",
+    "file-saver": "^2.0.5",
+    "jszip": "^3.10.1",
+    "manifold-3d": "^3.3.2",
+    "react": "^19.2.0",
+    "react-dom": "^19.2.0",
+    "react-dropzone": "^15.0.0",
+    "react-icons": "^5.5.0",
+    "svg-path-parser": "^1.1.0",
+    "three": "^0.182.0",
+    "vite-plugin-pwa": "^1.2.0"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.39.1",
+    "@types/react": "^19.2.7",
+    "@types/react-dom": "^19.2.3",
+    "@vitejs/plugin-react": "^5.1.1",
+    "eslint": "^9.39.1",
+    "eslint-plugin-react-hooks": "^7.0.1",
+    "eslint-plugin-react-refresh": "^0.4.24",
+    "globals": "^16.5.0",
+    "vite": "^7.3.1"
+  }
+}

webapp/src/App.css

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+:root {
+  --primary: #00aeef;
+  --primary-hover: #0090c5;
+  --bg-dark: #1a1a1a;
+  --bg-panel: #2a2a2a;
+  --text-main: #ffffff;
+  --text-muted: #aaaaaa;
+  --border: #444;
+}
+
+body {
+  margin: 0;
+  font-family: 'Inter', system-ui, Avenir, Helvetica, Arial, sans-serif;
+  background-color: var(--bg-dark);
+  color: var(--text-main);
+  min-height: 100vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.container {
+  width: 100%;
+  max-width: 800px;
+  padding: 2rem;
+  display: flex;
+  flex-direction: column;
+  gap: 2rem;
+}
+
+main {
+  display: flex;
+  flex-direction: column;
+  gap: 1.5rem;
+}
+
+header {
+  text-align: center;
+}
+
+header h1 {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.5rem;
+  margin-bottom: 0.5rem;
+  color: var(--primary);
+}
+
+.icon-spin {
+  animation: spin 4s linear infinite;
+}
+
+.dropzone {
+  background: var(--bg-panel);
+  border: 2px dashed var(--border);
+  border-radius: 12px;
+  padding: 3rem;
+  text-align: center;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  position: relative;
+  /* For folder button positioning */
+}
+
+.folder-select-btn {
+  position: absolute;
+  top: 1rem;
+  right: 1rem;
+  background: rgba(255, 255, 255, 0.05);
+  /* Slight visibility */
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  padding: 0.5rem;
+  color: var(--text-muted);
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition: all 0.2s ease;
+  z-index: 10;
+}
+
+.folder-select-btn:hover {
+  background: var(--primary);
+  color: white;
+  border-color: var(--primary);
+  transform: scale(1.05);
+}
+
+.dropzone:hover,
+.dropzone.active {
+  border-color: var(--primary);
+  background: rgba(0, 174, 239, 0.05);
+}
+
+.dropzone-content h3 {
+  margin: 1rem 0 0.5rem;
+}
+
+.dropzone-content p {
+  color: var(--text-muted);
+  margin: 0;
+}
+
+.controls {
+  background: var(--bg-panel);
+  padding: 1.5rem;
+  border-radius: 12px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  flex-wrap: wrap;
+  gap: 1rem;
+}
+
+.status {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+}
+
+.engine-status {
+  font-size: 0.85rem;
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+
+.ready {
+  color: #4caf50;
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.loading {
+  color: #ff9800;
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.buttons {
+  display: flex;
+  gap: 1rem;
+}
+
+button {
+  border: none;
+  border-radius: 8px;
+  padding: 0.75rem 1.5rem;
+  font-size: 1rem;
+  font-weight: 600;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  transition: background 0.2s;
+}
+
+.btn-primary {
+  background: var(--primary);
+  color: white;
+}
+
+.btn-primary:hover:not(:disabled) {
+  background: var(--primary-hover);
+}
+
+.btn-secondary {
+  background: transparent;
+  border: 1px solid var(--border);
+  color: var(--text-muted);
+}
+
+.btn-secondary:hover:not(:disabled) {
+  border-color: var(--text-main);
+  color: var(--text-main);
+}
+
+button:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.logs-panel {
+  background: #000;
+  border-radius: 8px;
+  padding: 1rem;
+  font-family: monospace;
+  height: 200px;
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+}
+
+.logs-panel h4 {
+  margin: 0 0 0.5rem 0;
+  color: var(--text-muted);
+  font-size: 0.9rem;
+  text-transform: uppercase;
+  letter-spacing: 1px;
+}
+
+.logs-content {
+  overflow-y: auto;
+  flex: 1;
+  font-size: 0.9rem;
+  color: #0f0;
+}
+
+.log-entry {
+  margin-bottom: 2px;
+}
+
+.placeholder {
+  color: #444;
+  font-style: italic;
+}
+
+@keyframes spin {
+  100% {
+    transform: rotate(360deg);
+  }
+}
+
+.spin {
+  animation: spin 1s linear infinite;
+}

webapp/src/App.jsx

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+import { useState, useCallback } from 'react'
+import { useDropzone } from 'react-dropzone'
+import { saveAs } from 'file-saver'
+import JSZip from 'jszip'
+import { FaCloudUploadAlt, FaFileExport, FaCheckCircle, FaSpinner, FaTrash } from 'react-icons/fa'
+import { MdError, Md3dRotation, MdFolderOpen } from 'react-icons/md'
+import './App.css'
+import { useManifold, convertFile } from './logic/useNametagConverter'
+
+function App() {
+  const manifold = useManifold()
+  const [files, setFiles] = useState([])
+  const [processing, setProcessing] = useState(false)
+  const [logs, setLogs] = useState([])
+
+  const addLog = (msg) => setLogs(prev => [...prev, msg])
+
+  const onDrop = useCallback(acceptedFiles => {
+    // Filter for SVGs
+    const svgs = acceptedFiles.filter(f => f.name.toLowerCase().endsWith('.svg') && !f.name.startsWith('._'))
+    setFiles(prev => [...prev, ...svgs])
+    addLog(`Added ${svgs.length} SVG files to queue.`)
+  }, [])
+
+  const { getRootProps, getInputProps, isDragActive } = useDropzone({ onDrop })
+
+  const onFolderSelect = (e) => {
+    if (e.target.files && e.target.files.length > 0) {
+      const selectedFiles = Array.from(e.target.files);
+      const svgs = selectedFiles.filter(f => f.name.toLowerCase().endsWith('.svg') && !f.name.startsWith('._') && !f.name.startsWith('.'));
+      if (svgs.length > 0) {
+        setFiles(prev => [...prev, ...svgs]);
+        addLog(`Added ${svgs.length} SVG files from folder.`);
+      } else {
+        addLog(`No SVG files found in selected folder.`);
+      }
+    }
+    // Reset
+    e.target.value = null;
+  }
+
+  const processQueue = async () => {
+    if (!manifold) {
+      alert("WASM Engine still loading... please wait a moment.")
+      return
+    }
+
+    setProcessing(true)
+    const zip = new JSZip()
+    let successCount = 0;
+
+    try {
+      for (const file of files) {
+        try {
+          addLog(`Processing ${file.name}...`)
+          const result = await convertFile(file, manifold, addLog)
+
+          if (result) {
+            const folderName = file.name.replace('.svg', '')
+            const folder = zip.folder(folderName)
+
+            // Add STLs to zip
+            if (result.black) folder.file(`${folderName}_Black.stl`, result.black)
+            if (result.white) folder.file(`${folderName}_White.stl`, result.white)
+            if (result.cyan) folder.file(`${folderName}_Cyan.stl`, result.cyan)
+
+            addLog(`  Success!`)
+            successCount++;
+          }
+        } catch (e) {
+          console.error(e)
+          addLog(`  Error: ${e.message}`)
+        }
+      }
+
+      if (successCount > 0) {
+        addLog("Generating ZIP archive...")
+        const content = await zip.generateAsync({ type: "blob" })
+        saveAs(content, "Nametags_Converted.zip")
+        addLog("Download started.")
+      } else {
+        addLog("No files were successfully converted.")
+      }
+    } catch (err) {
+      addLog(`Critical Error: ${err.message}`)
+    } finally {
+      setProcessing(false)
+    }
+  }
+
+  return (
+    <div className="container">
+      <header>
+        <h1><Md3dRotation className="icon-spin" /> SVG to Nametag Converter</h1>
+        <p>Powered by WebAssembly & Manifold 3D</p>
+      </header>
+
+      <main>
+        <div {...getRootProps()} className={`dropzone ${isDragActive ? 'active' : ''}`}>
+          <input {...getInputProps()} />
+
+          {/* Folder Selection Button */}
+          <div
+            className="folder-select-btn"
+            onClick={(e) => e.stopPropagation()}
+            title="Select Folder to Batch Process"
+          >
+            <label htmlFor="folder-input" style={{ cursor: 'pointer', display: 'flex' }}>
+              <MdFolderOpen size={28} />
+            </label>
+            <input
+              id="folder-input"
+              type="file"
+              webkitdirectory=""
+              directory=""
+              multiple
+              style={{ display: 'none' }}
+              onChange={onFolderSelect}
+            />
+          </div>
+
+          <div className="dropzone-content">
+            <FaCloudUploadAlt size={64} color={isDragActive ? "#00aeef" : "#666"} />
+            {isDragActive ?
+              <h3>Drop files to add specifically...</h3> :
+              <>
+                <h3>Drag & Drop SVGs Here</h3>
+                <p>Running directly in your browser. Secure & Fast.</p>
+              </>
+            }
+          </div>
+        </div>
+
+        <div className="controls">
+          <div className="status">
+            Queue: <strong>{files.length}</strong> files
+            <span className="engine-status">
+              {manifold ? <span className="ready"><FaCheckCircle /> Engine Ready</span> : <span className="loading"><FaSpinner className="spin" /> Loading Engine...</span>}
+            </span>
+          </div>
+
+          <div className="buttons">
+            <button
+              className="btn-primary"
+              onClick={processQueue}
+              disabled={processing || files.length === 0 || !manifold}
+            >
+              {processing ? <><FaSpinner className="spin" /> Converting...</> : <><FaFileExport /> Convert & Download ZIP</>}
+            </button>
+
+            <button
+              className="btn-secondary"
+              onClick={() => { setFiles([]); setLogs([]); }}
+              disabled={processing}
+            >
+              <FaTrash /> Clear Queue
+            </button>
+          </div>
+        </div>
+
+        <div className="logs-panel">
+          <h4>Activity Log</h4>
+          <div className="logs-content">
+            {logs.length === 0 ? <span className="placeholder">Logs will appear here...</span> : logs.map((l, i) => <div key={i} className="log-entry">{l}</div>)}
+          </div>
+        </div>
+      </main>
+    </div>
+  )
+}
+
+export default App

webapp/src/assets/react.svg

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webapp/src/index.css

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+:root {
+  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
+  line-height: 1.5;
+  font-weight: 400;
+
+  color-scheme: light dark;
+  color: rgba(255, 255, 255, 0.87);
+  background-color: #242424;
+
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+a {
+  font-weight: 500;
+  color: #646cff;
+  text-decoration: inherit;
+}
+a:hover {
+  color: #535bf2;
+}
+
+body {
+  margin: 0;
+  display: flex;
+  place-items: center;
+  min-width: 320px;
+  min-height: 100vh;
+}
+
+h1 {
+  font-size: 3.2em;
+  line-height: 1.1;
+}
+
+button {
+  border-radius: 8px;
+  border: 1px solid transparent;
+  padding: 0.6em 1.2em;
+  font-size: 1em;
+  font-weight: 500;
+  font-family: inherit;
+  background-color: #1a1a1a;
+  cursor: pointer;
+  transition: border-color 0.25s;
+}
+button:hover {
+  border-color: #646cff;
+}
+button:focus,
+button:focus-visible {
+  outline: 4px auto -webkit-focus-ring-color;
+}
+
+@media (prefers-color-scheme: light) {
+  :root {
+    color: #213547;
+    background-color: #ffffff;
+  }
+  a:hover {
+    color: #747bff;
+  }
+  button {
+    background-color: #f9f9f9;
+  }
+}

webapp/src/logic/useNametagConverter.js

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+import { useEffect, useState } from 'react';
+import Module from 'manifold-3d';
+import { parseSVG } from 'svg-path-parser';
+import * as THREE from 'three';
+import { STLExporter } from 'three/examples/jsm/exporters/STLExporter';
+
+// Initialize Manifold WASM once
+let wasmModule;
+
+export const useManifold = () => {
+    const [manifold, setManifold] = useState(null);
+
+    useEffect(() => {
+        const init = async () => {
+            try {
+                if (!wasmModule) {
+                    // Fix: Explicitly tell Manifold where to find the WASM file
+                    // distinct from the bundle path
+                    wasmModule = await Module({
+                        locateFile: (path) => {
+                            if (path.endsWith('.wasm')) {
+                                return '/manifold.wasm';
+                            }
+                            return path;
+                        }
+                    });
+                    wasmModule.setup();
+                }
+                setManifold(wasmModule);
+            } catch (e) {
+                console.error("WASM Init Failed:", e);
+                // We could set an error state here, but for now logging prevents crash
+            }
+        };
+        init();
+    }, []);
+
+    return manifold;
+};
+
+// --- Geometry Helpers ---
+
+const getPathPoints = (d, scale = 1.0) => {
+    // 1. Parse SVG path data using browser native API
+    const pathEl = document.createElementNS("http://www.w3.org/2000/svg", "path");
+    pathEl.setAttribute("d", d);
+
+    const len = pathEl.getTotalLength();
+    if (len < 0.1) return [];
+
+    const resolution = 0.5; // mm approx
+    const numPoints = Math.max(10, Math.ceil(len / resolution));
+
+    const loops = [];
+    let currentLoop = [];
+    let lastP = null;
+
+    for (let i = 0; i <= numPoints; i++) {
+        const p = pathEl.getPointAtLength((i / numPoints) * len);
+
+        if (lastP) {
+            const dist = Math.hypot(p.x - lastP.x, p.y - lastP.y);
+            // Detect "Move" command jumps which signify new subpaths
+            if (dist > 5.0) {
+                if (currentLoop.length > 2) loops.push(currentLoop);
+                currentLoop = [];
+            }
+        }
+        currentLoop.push([p.x * scale, -p.y * scale]);
+        lastP = p;
+    }
+    if (currentLoop.length > 2) loops.push(currentLoop);
+
+    return loops;
+};
+
+export const convertFile = async (file, manifold, addLog) => {
+    if (!manifold) return null;
+    // CrossSection is a top-level export, NOT a static property of Manifold class
+    const { Manifold, CrossSection } = manifold;
+
+    const text = await file.text();
+    const parser = new DOMParser();
+    const doc = parser.parseFromString(text, "image/svg+xml");
+
+    const paths = {
+        black: [],
+        white: [],
+        cyan: []
+    };
+
+    // 1. Scale Calculation
+    let minX = Infinity, maxX = -Infinity;
+    const backgroundNodes = [];
+
+    const allPathNodes = Array.from(doc.querySelectorAll('path'));
+
+    allPathNodes.forEach(p => {
+        const cls = p.getAttribute('class');
+        if (!cls) backgroundNodes.push(p);
+    });
+
+    backgroundNodes.forEach(p => {
+        const d = p.getAttribute('d');
+        if (!d) return;
+        const pathEl = document.createElementNS("http://www.w3.org/2000/svg", "path");
+        pathEl.setAttribute("d", d);
+
+        const len = pathEl.getTotalLength();
+        for (let i = 0; i <= 10; i++) {
+            const pt = pathEl.getPointAtLength(i / 10 * len);
+            minX = Math.min(minX, pt.x);
+            maxX = Math.max(maxX, pt.x);
+        }
+    });
+
+    let scale = 1.0;
+    const TARGET_WIDTH = 87.80;
+    if (minX !== Infinity && maxX !== -Infinity) {
+        const currentWidth = maxX - minX;
+        if (currentWidth > 0) {
+            scale = TARGET_WIDTH / currentWidth;
+            addLog(`  Scale factor: ${scale.toFixed(4)}`);
+        }
+    }
+
+    // 2. Process Paths with Classification
+    allPathNodes.forEach(p => {
+        const cls = p.getAttribute('class');
+        const d = p.getAttribute('d');
+        if (!d) return;
+
+        const loops = getPathPoints(d, scale);
+
+        if (cls === 'st2') paths.white.push(loops);
+        else if (cls === 'st1') paths.cyan.push(loops);
+        else paths.black.push(loops);
+    });
+
+    // 3. Extrusion Helper using Manifold
+    const createMeshBlob = (loopsList, height, z) => {
+        const allContours = loopsList.flat();
+
+        if (allContours.length === 0) return null;
+
+        // Create CrossSection with Even-Odd rule
+        // Correct usage: new CrossSection(contours, fillRule)
+        const cs = new CrossSection(allContours, 'EvenOdd');
+
+        // Extrude
+        const mesh = Manifold.extrude(cs, height, 0, 0, [1, 1]);
+
+        // Translate Z
+        const meshZ = mesh.translate(0, 0, z);
+
+        // Convert to Mesh for Three.js export
+        const meshGL = new THREE.Mesh(getBufferGeometryFromManifold(meshZ, THREE));
+        const exporter = new STLExporter();
+        const stlString = exporter.parse(meshGL, { binary: true });
+        return new Blob([stlString], { type: 'application/octet-stream' });
+    };
+
+    // Constants
+    const BG_THICK = 3.0;
+    const TXT_THICK = 2.0;
+    const TXT_Z = 3.0; // Starts at 3mm, Center at 4mm
+
+    return {
+        black: createMeshBlob(paths.black, BG_THICK, 0),
+        white: createMeshBlob(paths.white, TXT_THICK, TXT_Z),
+        cyan: createMeshBlob(paths.cyan, TXT_THICK, TXT_Z)
+    };
+};
+
+function getBufferGeometryFromManifold(manifoldMesh, THREE) {
+    const mesh = manifoldMesh.getMesh();
+    const geometry = new THREE.BufferGeometry();
+
+    const numVerts = mesh.vertProperties.length / mesh.numProp;
+    const vertices = new Float32Array(numVerts * 3);
+
+    for (let i = 0; i < numVerts; i++) {
+        vertices[i * 3] = mesh.vertProperties[i * mesh.numProp];
+        vertices[i * 3 + 1] = mesh.vertProperties[i * mesh.numProp + 1];
+        vertices[i * 3 + 2] = mesh.vertProperties[i * mesh.numProp + 2];
+    }
+
+    geometry.setAttribute('position', new THREE.BufferAttribute(vertices, 3));
+
+    const indices = new Uint32Array(mesh.triVerts);
+    geometry.setIndex(new THREE.BufferAttribute(indices, 1));
+
+    geometry.computeVertexNormals();
+    return geometry;
+}

webapp/src/main.jsx

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+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import './index.css'
+import App from './App.jsx'
+
+createRoot(document.getElementById('root')).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+)

webapp/vite.config.js

@@ -0,0 +1,44 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+import { VitePWA } from 'vite-plugin-pwa'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [
+    react(),
+    VitePWA({
+      registerType: 'autoUpdate',
+      devOptions: {
+        enabled: true
+      },
+      includeAssets: ['favicon.ico', 'apple-touch-icon.png', 'mask-icon.svg', 'manifold.wasm'],
+      manifest: {
+        name: 'SVG Nametag Converter',
+        short_name: 'Nametag 3D',
+        description: 'Convert SVG files to 3D printable nametags offline.',
+        theme_color: '#1a1a1a',
+        background_color: '#1a1a1a',
+        display: 'standalone',
+        icons: [
+          {
+            src: 'pwa-192x192.png',
+            sizes: '192x192',
+            type: 'image/png'
+          },
+          {
+            src: 'pwa-512x512.png',
+            sizes: '512x512',
+            type: 'image/png'
+          }
+        ]
+      },
+      workbox: {
+        globPatterns: ['**/*.{js,css,html,ico,png,svg,wasm}'],
+        maximumFileSizeToCacheInBytes: 41943040, // 40 MB, just to be safe for WASM
+        cleanupOutdatedCaches: true,
+        clientsClaim: true,
+        skipWaiting: true
+      }
+    })
+  ],
+})