Ayam is a free 3D modelling environment for the RenderMan interface, distributed under the BSD licence. The current stable version is 1.34, released 20. Jan 2024. Ayam currently runs on Unix (Linux, IRIX, FreeBSD tested), Win32 (Win95-Win2000, XP, 7), and Mac OS X (Aqua and X11). Ayam features at a glance: RIB (RenderMan Interface Bytestream) export and import. Support for NURBS curves and (trimme