Pentominoes
thingiverse
Complete instructions on how pentominoes work and how to make them can be found here on instructables. Also included are a bunch of 2D and 3D designs to make with answer keys! https://www.instructables.com/id/3D-Pentominoes-Puzzle/
Download Model from thingiverse
With this file you will be able to print Pentominoes with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Pentominoes.