FreeCAD Release 0.16

For those wanting to dip their toes into the world of mechanical CAD, FreeCAD is a great tool and it is Free! Even has a raytracing renderer!

Here's the 0.16 Release page: Release notes 0.16 - FreeCAD Documentation

And yes, it does unrolling of a ruled surface. Not quite Rhino but did I mention that it's free?...,

Happy Drawing,

-Gil