Ayam is a free 3D modelling environment for the RenderMan interface. Ayam was formerly known as "The Mops". Ayam is primarily aimed at the Linux, IRIX, and Win32 platforms. On those platforms BMRT (Blue Moon Rendering Tools, a RenderMan compliant renderer by Larry Gritz) is available. Even though the distribution of BMRT is stopped it is still the recommended renderer for Ayam. Despite of this, Ayam may be used on many more platforms with any RenderMan compliant renderer.

Ayam Key Features:
1. RIB (RenderMan Interface Bytestream) export and import.
2. Support for NURBS curves and (trimmed) NURBS surfaces, Boxes, Quadrics (Sphere, Disk, Cylinder, Cone, Hyperboloid, Paraboloid, and Torus), CSG, MetaBalls, Patch Meshes, Polygonal Meshes, and Subdivision Surfaces.
3. NURBS modelling includes approximating and interpolating curves as well as extrude, revolve, sweep, birail, skin and gordon objects with caps, holes, and bevels.
4. Custom objects that may freely implement their representations (using OpenGL and RIB) and even small GUIs to edit their type specific parameters may be written by the user and dynamically loaded at runtime.
5. Scripting interface: Tcl.
6. Misc: instancing, arbitrary number of modeling views, object clipboard, independent property clipboard, console, n-level undo.
7. File formats (r/w): RIB, DXF, 3DM, 3DMF, OBJ, X3D.

Please Note: When Ayam has been started for the very first time there is no view opened. You may open a first view (we do not need more than one in this tutorial) by clicking on the camera button in the tool box window. If you are unsure simply wait for the tool tip to appear, then browse through the buttons until the tool tip reads "new View". If Ayam crashes or blocks now, something is terribly wrong with your OpenGL setup and you should fix it.

The license of this software is Free, you can free download and free use this 3d graphic software.