Shapes are filled with: Rice beans, bells, wood pieces and the sound device from a music card
How to assemble:
The Bottom plate have to be put in place when assembeling the inner case.
Best practise is to start gluing the inner case with the bottom piece in place and then start adding the outer siders one by one.
CaseMaker.com is a nice tool to make boxes with, but the settings has to be right.
I have been experimenting with CaseMaker, and how to find the perfect kurf for a 3 mm acrylic box.
This is my findings.