Math Monday: Acrylic Frabjous Kit


By George Hart for the Museum of Mathematics Frabjous is a sculpture that consists of thirty identical parts which are assembled into a geometric star with twelve spiral vortices. A few years ago, a MAKE post showed how to make a cardboard version that requires many hours of hobby knife... Read more »

Lego interlocking solid puzzles

Apart from the fact that the bricks and plates are open at their bottoms, and so the pieces always have one side that can't be "smooth," Lego is a pretty handy way to prototype interlocking solid puzzles. Many of these are based on cubic units, and can be built in... Read more »