Use your fingers or mouse to control model (hold shift key or use mouse wheel to zoom it). Press H-key to hide dat.GUI controls. You can change ramiform by bending angles (in radian) and integer rotation step (rotation angle is π rot / 9).

Ramiform node with 3 twigs (3D WebGL model). Branches are too thik for small bending angles (just increase l1, l2). One more example with thing side twig. Note that old ramiform lies in the xOy plane.

Modeling the Mighty Maple for Web     updated 6 May 2015