Nets

Can Jo make a gym bag for her trainers from the piece of fabric she has?

Design and construct a prototype intercooler which will satisfy agreed quality control constraints.

Can you make a new type of fair die with 14 faces by shaving the corners off a cube?

What is the shape of wrapping paper that you would need to completely wrap this model?

Weekly Problem 20 - 2010
You have already used Magic Squares, now meet a Magic Octahedron...

Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.

The net shown here is cut out and folded to form a cube. Which face is then opposite the face marked X?

This problem invites you to build 3D shapes using two different triangles. Can you make the shapes from the pictures?

What is the largest cuboid you can wrap in an A3 sheet of paper?