You can download Carbide Create 4.0 from our software library for free. The actual developer of the free software is Carbide 3D LLC. Carbide Create lies within Photo & Graphics Tools, more precisely 3D Design.
From the developer:
Carbide Create is a free 2D CAD/CAM program designed specifically for Carbide 3D machines. With features like curves, polylines, polygons, and node editing you can use the built-in CAD functionality to design your next project. Simulation mode turns your designs into fully interactive 3D models.
You may want to check out more software, such as Express Thumbnail Creator, Restore Point Creator or Virtual Cover Creator, which might be similar to Carbide Create.