What are some alternatives?
When comparing Strata Design 3D CX and PathEngine, you can also consider the following products
SelfCAD - SelfCAD is an online 3D modeling and slicing software.
Clara.io - Free online 3D modeling software: Design, editor, animation, rendering, & lots of free 3D models. Supports Three.JS, Blend, FBX, OBJ, V-Ray, Babylon.JS, STL.
Aartform Curvy 3D - Aartform Curvy 3D is an easy and fast sculpting program for Windows.
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.
Substance Designer - Substance Designer is a node-based non-destructive application for material authoring.
MilkShape 3D - The MilkShape 3D website has been down for almost one week.