How to Fold Part 4
Folding a point to an edge
Bring the corner point down to meet the 90-degree (right angle) corner. On the side that has straight edges, make sure the edges line up. Then crease the fold.
Fold on the table, not in the air.
How to Fold Part 3
Folding adjacent edges of different lengths
Bring the edges of the angle together and line them up. To crease the fold, start from the pointy end.
Fold on the table, not in the air.
How to Fold Part 2
Folding adjacent edges
Bring the opposite corners of the paper together and line them up. Make sure the edges also line up, all the way to the point of the angle. Then crease the fold.
Fold on the table, not in the air.
How to Fold Part 1
Folding opposite edges
Bring the opposite edges of the paper together and line them up from corner to corner. Then crease the fold.
Fold on the table, not in the air.
Soma Cube Nets
Are your soma cubes taking too long to print in the 3D printer?
Try making them with these nets. Print them out, cut on the solid lines, and fold on the dotted lines. Use glue on the glue tabs to close the shape.
These may be a bit challenging.
Printable Rulers
Choose from 138 printable rulers, in PDF format, that you can download and print for free. Be sure to print at 100% or actual size so the rulers will stay true to size.
Solve equations with balancing mobiles
Solve equations using balancing mobiles. This is an online game that also lets you build your own balancing equations to solve.
Mobiles throughout History
Mobile-maker Marco Mahler on the history of art mobiles—before Calder.
Rotational Puzzle
Meffert’s Puzzles are in the style of Rubik’s cubes.
Manifold Puzzle Game
An origami puzzle game.