Simplify3D This software is compatible with more than 250 desktop 3-D printers, including equipment used by engineers and designers for product development and prototyping. Capabilities include fast slicing, support material optimization and dual extrusion.

What's new? Version 3.1, which includes a number of new features. The upgrades include the ability to customize support structures, and greater functionality to improve mesh errors. The latest version is available for free to current Simpify3D customers; it carries a $149 price tag for new customers.

Benefits Compatibility with a growing number of printers and better handling of errors.

Simplify3D, Cincinnati, 513-802-5011, http://simplify3d.com/