What are some alternatives?
When comparing Strata Design 3D CX and newtek.com LightWave 3D, you can also consider the following products
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.
Maya - Maya in Launchpad
SelfCAD - SelfCAD is an online 3D modeling and slicing software.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Substance Designer - Substance Designer is a node-based non-destructive application for material authoring.
Unity - The multiplatform game creation tools for everyone.