Nets of a cuboid

Fold the net of a cuboid.

A cuboid has 6 faces, in 3 pairs of matching faces. In the nets, matching faces have the same color. Tap the button to fold it up.

Faces of the same color end up opposite each other.
When two faces share an edge, the shared edges have the same length (otherwise it won't fold).
This cuboid is 1 high, 3 wide and 2 deep, so its faces come in 3 sizes: 3×1, 3×2 and 1×2.

Different nets

The same cuboid gives different nets depending on how you cut it open.

A strip with two side faces

Join 4 faces into a strip, with one small face on each side.

Side faces shifted

The small faces can attach to any face of the strip (as long as nothing overlaps).

A long strip, top and bottom

Turning the strip the other way gives a different net.

Kyoten is a puzzle where you look at a model solid, draw its net, and fold it up in 3D. No sign-up needed.

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