XYZmaker is a 3D modeling software designed for beginners in 3D printing; it provides a model library and several tools to generate different shapes and objects easily.
Free Autodesk Maya Alternatives
The best free alternative to Autodesk Maya is Blender, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Autodesk Maya and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Autodesk Maya are Spline, Bforartists, Vue and Rumba.