Calculations for Cantilever Beam & Annular Snap Fits

Want to print a 3D shape with tongue-in-groove snap fit parts?

http://engr.bd.psu.edu/pkoch/plasticdesign/snap_calc.htm

This should make things easier!

EDIT: Oh, and here’s one for annular (round) snap fits.

http://machinedesign.com/article/fundamentals-of-annular-snap-fit-joints-0106

EDIT 2: In fact, here’s a whole book on designing snap fits.