Stand or Fold

Nothing holds these up: no pins, no rollers, no supports at all. Let go, and if it keeps its shape it is internally stable. The dashed outline is where it started.

Six specimens

make a call on all six first

Build your own

the verdict updates as you draw

Hand it in

your design travels as one line of text

Submit your design

Build something in the sheet above, then turn it into a code. It carries every joint, member and hinge, so whoever opens it sees exactly what you drew.

Open a design

Paste a code or a link someone sent you and it loads into the sheet above.