What are some alternatives?
When comparing Chief Architect Premier and SelfCAD, you can also consider the following products
Maya - Maya in Launchpad
PathEngine - PathEngine is a middleware toolkit for the implementation of intelligent agent movement, built around and implementation of points-of-visibility pathfinding on 3D ground surfaces.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
MilkShape 3D - The MilkShape 3D website has been down for almost one week.
ZBrush - ZBrush is a digital sculpting and painting software solution.
EQUINOX-3D - EQUINOX-3D offers 3D modeling, animation, photorealistic rendering, photorealistic VR content creation, CAD/CAM, 3D printing, laser-cutting and more.