5/16” Paper Cutter

I made a custom paper cutter for a student competition where they need uniform strips of paper and they need a lot of them quickly. I designed this in 123D Design using net dimensions for the razor blade so they

3D Printed Rocket and Test Flight

I decided to print this Modular Rocket by Landru from thingiverse: http://www.thingiverse.com/thing:8754 It uses ‘D’ Estes motors. The fit on them was pretty tight printed. I could have sanded it out a bit to work better. I printed out a base,