passionate about merging sustainable construction with digital tools to build smarter, low-carbon structures.
- BIM & VDC: Automation for streamlined workflows
- IFC & Open BIM Interoperability: Deep expertise in IFC, IDS, BCF & bSDD
- IFC on the Web: with IfcOpenShell, Engine Web-Ifc, WebAssembly (WASM), Pyodide, Three.js & more
- Digital Construction Tools: Full-stack development (JS, TS, Python)
- Sustainability Consulting: Reduction of embodied carbon through integrated LCA
- Timber Construction: Integrating digital design with advanced timber-based systems
High-performance IFC viewer with WebGPU rendering and Rust/WASM parser
TypeScript · Rust · WebGPU · WASM· Fixed UCS axis helper to properly track camera orbit updates in viewer overlays | Released v1.14.1 with buffer pooling optimizations and z-fighting artifact fixes
Brutalist multi-repo GitHub issue aggregator for e-ink displays
JavaScript · Node.js · GitHub API
Visual drag-and-drop editor for buildingSMART IDS specifications with XML export
TypeScript · Next.js · React · Radix UI· Fixed project state persistence when navigating between editor and documentation | Resolved Ctrl+A keyboard shortcut conflict between text selection and node selection
Browser-based 3D CAD for authoring IFC5 models with OpenCascade WASM
TypeScript · Three.js · OpenCascade · WASM· Major overhaul with direct export dropdown and IFC geometry import reconstruction
Three.js IFC viewer with LCA material analysis and chat interface
TypeScript · Three.js · Vite · IFC-Lite· Fixed 3D rendering back-faces and material switch UI with DoubleSide materials
Generate professional 2D technical drawings from IFC models. Next.js app with fragments, Three.js viewer and SVG export/Airtable connection for building elements.
JavaScript
Select IFC elements using semantic criteria and JSON rules instead of brittle GUIDs. TypeScript-based query engine.
TypeScript
Multi-calendar aggregator with touchscreen display for ESP32 or Raspberry Pi. Day/week/month views with auto-refresh and kiosk mode.
TypeScript
Browse and query IFC building models as SQL databases in your browser—no installation required.
TypeScript
API for Swiss zoning codes, building regulations, and cadastral data with interactive maps and ÖREB integration
TypeScript
Web-based 3D IFC classification editor. Assign Uniclass/eBKP-H references to models using Three.js and web-ifc.
TypeScript
Auto-generate professional GitHub repository descriptions using AI analysis of your codebase and file structure.
TypeScript
A visual node-based tool for working with Industry Foundation Classes (IFC) files
TypeScript
IFC clash detection tool with Flask API and React 3D viewer for detecting geometric conflicts in building models
TypeScript
Web-based IFC model validator for BIM projects. Validates against IDS requirements and common issues using client-side WASM processing.
TypeScript
Convert Swiss cadastral parcels into georeferenced 3D IFC models
Python · FastAPI · GeoPandas · IfcOpenShell
Match IFC building materials to LCA databases (KBOB, ÖKOBAUDAT) using hybrid embedding and LLM reranking pipelines.
Python
Hybrid AI bird identification system combining visual detection (Hailo-8 NPU detection & TensorFlow Lite classification) with audio recognition (BirdNET) on Raspberry Pi 5. Outdoor IP camera, indoor processing, cross-referenced species dashboard & logging.
Python
POC for the integration of Digital Product Passports in IFC using buildingSmart Data Dictionary (bSDD)
Python
Drivers, firmware, and LVGL examples for the LILYGO T-Display-S3-Long, featuring an ESP32-S3 and 180x640 touch display.
C
If you find my free & open-source projects useful, you can support me here:
- 🌐 Visit: lt.plus
- 💬 LinkedIn: Louis Trümpler
- ✉️ Email: louis@lt.plus
"Building the future: from digital tools to sustainable structures."




