I recently attended a demo at Hive76 on importing 2D shapes from Illustrator and manipulating them in OpenSCAD for 3D printing. For me, this ended up being more of an introduction to the awesomeness that is OpenSCAD. It's kind of like playing with Legos using C code. In fact, why don't we build some Legos with OpenSCAD:
Grab the code here.