Very simple parametric demo box for showing magnetic levitation of a pyrolytic graphite sheet over permanent magnets.
The top border prevents the sheet from falling off the magnets.
The lid makes possible to close it as a box (but there is no bottom, magnets hold in place by friction).
Material:
Real size of the magnets was more about 28.95x9.51x3.75 so if you want to reproduce this toy, measure the real volume of your magnets and adjust the scad file accordingly.
In action:
The author marked this model as their own original creation. Imported from Thingiverse.