No, not rocks, Rocks!
This is where we put free 3D printing and design software. Typically concerned with 2D to 3D conversions and simplification of 3D operations for novice usersWe try to make all of the software on 3DP.Rocks open source, so you can also see how it’s done and do it yourself (if you’re that way inclined)
Source: 3D Printing Rocks!