choose a sandbox // sandbox.threejs.hofk.de/
see GitHub github.com/hofk

Sandbox THREEf - see also the form library
- create geometry with functions / - uses cylinder coordinates / - based on basic form cylinder


Sandbox THREEp - see also the form library
- create geometry with functions / - uses spherical coordinates / - based on two hemispheres



Sandbox THREEg
- creates various types of extended geometry / generates indexed or non-indexed BufferGeometry.
Magic Box, Magic Sphere, Labyrinth-3D-2D, Custom Line Grid,
Profiled Contour Geometry, Road/Wall

Sandbox THREEi
- creates geometries for implicit surfaces and for forms with holes / generates indexed BufferGeometry
- uses a triangulation algorithm of E. Hartmann