Tetra-Hedra Building Blocks!

Years ago in college I took a sculpture/3D Construction type Art class. One of the projects was to make a kind of Unit - a 3D shape out of like paper, or cardboard or such. But, make MANY of them. Then, take all those pieces and create a sculpture with it. Too bad I lost that sculpture over the years.

So - I've been wanting to do something like this via 3D Printing. Then, recently when browsing on Thingiverse here - I came across the Customizer App that allowed you to create geometric shape