When I received my Bermuda cubes from HKNowStore I was disappointed that they only came in plastic bags with no storage box or case. So, taking this cube as inspiration, I made some clear storage cases.

Starting with this



which is a sheet of this material carefully cut out using a template. After scoring and folding you get this


which takes about 15 minutes to make in total. Now I have some nice boxes for my Bermudas


and you can easily see which is which.

I have started to make different sizes for my other "un-boxed" cubes.

Very impressive work! They looks very professional. Can I ask why you need them though? I can only assume to display your puzzles in the original packaging or something.

Well, I'm an engineer, like origami, and have a slightly OCD nature about neatness. And I like the way they look in these

Your storage box is very beautiful and clear.
What kind of plastic material are your using ? PVC, PET ... ?
And the size ?

The material is PVC, 0.2mm thick, size A4, and can be found here.