Ayam is a free 3D modelling environment for the RenderMan interface. It features good RIB export, CSG (all RenderMan primitives supported), and NURBS modelling. Features instancing, arbitrary number of modeling views, object clipboard, independent property clipboard, n-level undo, console, and Tree-View with Drag-and-Drop support. License: BSD License (original) Changes: This release adds support for swung surfaces and offset curves. In addition, there is now a single window GUI mode.

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