What are some alternatives?
When comparing Strata Design 3D CX and Clara.io, you can also consider the following products
SelfCAD - SelfCAD is an online 3D modeling and slicing software.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
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.
Strata Foto 3D CX - Strata Foto 3D CX lets user use a digital camera or any phone camera to capture real-world objects as fully textured 3D models.
MODO - Modo by Foundry brings you the next generation of 3D modeling, texturing and rendering tools in a powerful integrated software package.