I have made geometric solids before back in high school, but today I found a much simpler way to do it. “Slide-Together” Geometric Paper Constructions by George W. Hart shows how to make them by sliding card stock cutouts togeather. No folding.

I have made geometric solids before back in high school, but today I found a much simpler way to do it. “Slide-Together” Geometric Paper Constructions by George W. Hart shows how to make them by sliding card stock cutouts togeather. No folding.