3D matrix transformations

The new list blocks in the recent update reminded me of matrices which reminded me of this very simple 3D project that I made that I never shared. So I thought of using the new list blocks for that project. It's just a wireframe 3D rotating (vaguely) cube. It ran kinda slow but by using hyperblocks and changing the code a little it now runs decently.

shouldn't it look like a square cube? other than that, cool!

Ah, cool! Don't you love how easy matrix multiplication is?

3d script pic (1)
is wrong. Should be
3d script pic

The last triangle should be
3d script pic (2)