DFG 3D Viewer — JavaScript Library

Three.js-based 3D viewer. Ships as a minified bundle for web/libraries/dfg-3dviewer/ or standalone HTML embeds.

Drupal integration is provided by the separate dfg_3dviewer module.

Build and package

npm install
npm run build:library
npm run pack:library

Output:

• dist/library/ — dfg_3dviewer.min.js and assets/ (CSS, draco, IFC WASM, fonts)
• dfg-3dviewer-library.zip — extract to web/libraries/dfg-3dviewer/ on Drupal (gitignored)

Local development

cp viewer/viewer-settings-example.json viewer-settings.json
npm run dev:test
# http://localhost:1234

Install on Drupal

1. Build and pack locally (see above), then extract dfg-3dviewer-library.zip to web/libraries/dfg-3dviewer/
2. Enable the dfg_3dviewer Drupal module and configure at /admin/config/dfg_3dviewer

Standalone embed

<div id="DFG_3DViewer" 3d="./examples/box.stl"></div>
<script type="module" src="./dfg_3dviewer.min.js"></script>

Or pass config in code: await Viewer.MainInit({ ... }).

Repository layout

• viewer/ — source
• dist/ — build output (gitignored; run npm run build:library)
• rollup.config.js — production builds
• tests/ — Playwright E2E