- Switch from legacy script includes to ES6 modules with import map - Import OrbitControls and STLLoader from three/addons/ - Update constructor calls to use imported classes directly - Remove THREE namespace prefix for OrbitControls and STLLoader - Fixes "THREE.OrbitControls is not a constructor" error 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>