Freeware Descriptions:
Aqsis is a cross-platform photorealistic 3D rendering solution, based on the RenderMan interface standard defined by Pixar Animation Studios. Features include programmable shading, true displacements, 3D depth-of-field, motion blur, NURBS, subdivision surfaces, constructive solid geometry (CSG), procedural plugins and more.
Here is complete features (taken from authors site):
What´s New in version 1.4.2:
Enhancements:
- Add a compatibility interface to Pixar´s sloarg shader argument library.
- Improve piqsldisplay standard compliance to work with 3delight
- Optimization to texture filtering code: precomputed integer image channel normalization.
- Revised Windows installer, removing unnecessary features and improved logging.
- Add GeometricApproximation “focusfactor” approximation for faster depth of field rendering. Off by default.
Bugfixes:
- Fix incorrect fixed-size integer types in ndspy.h on some platforms.
- Fix bug #2128051: “8-bit character encoding missing”
- Fix printing of parameter lists which was missing the token names when using -echoapi
- Remove the AQSIS_USE_PLUGINS option from the build system to avoid confusion and broken builds.
- Fix bug #2167498: “uniform user parameters not working for SDS”
- Correct the array length count as passed by the RIB parser into RiColorSamples.
- Fix texture(…, “lerp”, 1) which incorrectly used mipmap level 1 when magnifying a texture
- Fix intermittent aqsl segfault when typechecking functions, especially external DSOs.
- Fix varying string value assignment in the shading language which acted as if it was uniform.
- Fix bug #2128030: “unnecessary PATH environment variable”
- Fix bug #2499967: “.aqsisrc no-longer supports backslashes in paths”
- Add some basic validity checks to the quadric primitives.
- Fix bug #2173552 by flipping Ng´s direction as necessary when a user specified N is present.
- Add missing include files to OSX bundle.
- Add missing include files to NSIS.
- Fix the installation details for OSX to ensure visibility on the PATH.
- Fix bug #2498990: Backface culling sometimes incorrect in motion blocks
- Fix bug in RSL ctransform() function - previously one of fromspace or tospace had to be “rgb”.

File Size / OS:
- 5.35 MB / Windows 9x - ME - 2000 - NT - XP - 2003 - Vista
Download Aqsis Renderer 1.4.2: