The latest release of FreeCAD is very usable. I find it to be the perfect match for the home shop. Especially for use with a 3D printer and 3 axis CNC router/mill. A user can easily produce extremely accurate and complex solid models with little effort, once the basics of the interface are learned. The Part Design Workbench makes it easy to build up a complex part through the use of consecutive 2D sketches that are either Padded (extruded), or Pocketed (cut) to construct features into a 3D part. While is it still a "work in progress", today's FreeCAD is truly in a class by it's self when it comes to FOSS solid modelers. Couple that with an active forum where new users can get help with most any problem and often communicate directly with the developers, it is certainly worth giving an honest try. As parametric solid modelers go, (they are all hard to learn), I find FreeCAD among the easiest to use.