5 Intersecting Tetrahedron

This is just a single tetrahedron, Print 4 of the ends and 6 of the splines.
These connect together to make a single tetrahedron.
Then print another 4 tetrahedrons and you can link together like the Origami version that you can find on youtube etc.

I wanted to make something that is a bit more sturdy than the origami one.
I had to glue some of the corners as it can be a little loose