diff --git a/package.json b/package.json
index cfe9b28b..e94f8b3f 100644
--- a/package.json
+++ b/package.json
@@ -47,11 +47,11 @@
         "connect": "^3.7.0",
         "earcut": "^2.2.3",
         "express-useragent": "^1.0.13",
+        "fast-glob": "^3.3.3",
         "jszip": "^3.7.1",
         "manifold-3d": "^3.1.1",
         "moment": "^2.29.4",
         "prettier": "^3.5.3",
-        "react-responsive-carousel": "^3.2.23",
         "serve-static": "^1.14.1",
         "three": "^0.174.0",
         "three-mesh-bvh": "^0.7.6",
@@ -103,7 +103,7 @@
         "prebuild": "node bin/electron-pre.js",
         "postbuild": "node bin/electron-post.js",
         "preinstall": "node bin/install-pre.js && npx webpack --config bin/webpack-three.js",
-        "preinstall2": "npx webpack --config src2/webpack/webpack-three-esm.js && node src2/webpack/esbuild.config.js",
+        "preinstall2": "npx webpack --config src2/webpack/webpack-three-esm.js && node src2/webpack/esbuild.config.mjs",
         "docs-dev": "docusaurus start",
         "docs-build": "docusaurus build",
         "docs-serve": "docusaurus serve",
diff --git a/src2/webpack/esbuild.config.js b/src2/webpack/esbuild.config.js
deleted file mode 100644
index c598874f..00000000
--- a/src2/webpack/esbuild.config.js
+++ /dev/null
@@ -1,70 +0,0 @@
-// esbuild.config.js
-import { build } from 'esbuild';
-
-// Get build mode from command line argument
-const mode = process.argv[2] || 'dev';
-const isProd = mode === 'prod';
-
-console.log(`Building in ${mode} mode...`);
-
-// Dummy document shim for worker context
-// const dummyDocument = `
-// // Inject dummy document for worker context
-// if (typeof document === 'undefined') {
-//   var document = {
-//     createElement: () => ({}),
-//     getElementById: () => null,
-//     querySelector: () => null,
-//     addEventListener: () => {},
-//     removeEventListener: () => {}
-//   };
-// }
-// if (typeof window === 'undefined') {
-//   var window = { };
-// }
-// `;
-
-async function buildApp() {
-  try {
-    // Bundle main app
-    await build({
-      entryPoints: ['src2/main/mesh.js'],
-      bundle: true,
-      outfile: 'src2/pack/mesh.js',
-      format: 'esm',
-      external: ['module'],
-      sourcemap: !isProd,  // true for dev, false for prod
-      minify: isProd,      // false for dev, true for prod
-      target: 'es2020',
-      platform: 'browser',
-      define: {
-        'process.env.NODE_ENV': `"${mode}"`
-      }
-    });
-
-    // Bundle worker
-    await build({
-      entryPoints: ['src2/mesh/work.js'],
-      bundle: true,
-      outfile: 'src2/pack/work.js',
-      format: 'esm',
-      external: ['module'],
-      sourcemap: !isProd,  // true for dev, false for prod
-      minify: isProd,      // false for dev, true for prod
-      target: 'es2020',
-      platform: 'browser',
-      define: {
-        'process.env.NODE_ENV': `"${mode}"`
-      }
-    });
-
-    console.log(`Build completed successfully in ${mode} mode!`);
-  } catch (error) {
-    console.error('Build failed:', error);
-    process.exit(1);
-  }
-}
-
-buildApp();
-
-// You can add more build steps or static asset copying as needed. 
\ No newline at end of file
diff --git a/src2/webpack/esbuild.config.mjs b/src2/webpack/esbuild.config.mjs
new file mode 100644
index 00000000..88f1cb9e
--- /dev/null
+++ b/src2/webpack/esbuild.config.mjs
@@ -0,0 +1,82 @@
+import { build, transform } from 'esbuild';
+import fs from 'fs/promises';
+import glob from 'fast-glob';
+
+// Get build mode from command line argument
+const mode = process.argv[2] || 'dev';
+const isProd = mode === 'prod';
+
+console.log(`Building in ${mode} mode...`);
+
+const MESH_OUTFILE = 'src2/pack/mesh.js';
+const MESH_EXTRAS = [
+    'mod/*/mesh.js',
+    'mod/*/tra1.js'
+];
+
+async function appendExtraModules(extras, minify = false) {
+    const files = await glob(extras);
+    if (files.length === 0) return;
+
+    const transformed = await Promise.all(
+        files.map(async (file) => {
+            const code = await fs.readFile(file, 'utf8');
+            if (!minify) return code;
+
+            const result = await transform(code, {
+                minify: true,
+                loader: 'js',
+                target: 'es2020',
+            });
+            return result.code;
+        })
+    );
+
+    await fs.appendFile(MESH_OUTFILE, transformed.join(''));
+    console.log(`Appended ${files.length} module(s) to ${MESH_OUTFILE}`);
+}
+
+async function buildApp() {
+    try {
+        // Bundle main app
+        await build({
+            entryPoints: [ 'src2/main/mesh.js' ],
+            bundle: true,
+            outfile: MESH_OUTFILE,
+            format: 'esm',
+            external: ['module'],
+            sourcemap: !isProd,  // true for dev, false for prod
+            minify: isProd,      // false for dev, true for prod
+            target: 'es2020',
+            platform: 'browser',
+            define: {
+                'process.env.NODE_ENV': `"${mode}"`
+            }
+        });
+
+        appendExtraModules(MESH_EXTRAS, isProd);
+
+        // Bundle worker
+        await build({
+            entryPoints: [ 'src2/mesh/work.js' ],
+            bundle: true,
+            outfile: 'src2/pack/work.js',
+            format: 'esm',
+            external: ['module'],
+            sourcemap: !isProd,  // true for dev, false for prod
+            minify: isProd,      // false for dev, true for prod
+            target: 'es2020',
+            platform: 'browser',
+            define: {
+                'process.env.NODE_ENV': `"${mode}"`
+            }
+        });
+
+        console.log(`Build completed successfully in ${mode} mode!`);
+    } catch (error) {
+        console.error('Build failed:', error);
+        process.exit(1);
+    }
+}
+
+buildApp();
\ No newline at end of file