You can customize the number of sides (make it a pentagon, hexagon, octagon, etc) and the height, diameter, and material thickness. It generates a press-fit SVG cut file, ready to laser.
@federico recorded a terrific video tutorial walking through the parameters and assembly.
This one also lets you customize the mandala design:
Both of these templates are free for the next week, then they will become Cuttle Pro templates.
Here’s a free-forever Octagon box that’s 3in height and 3in diameter (nice size for a pencil holder).
I set the material thickness on this for GF Proofgrade Light Maple (0.118in on my latest batch). But if you use the generator you can set it to whatever material you’re using to get a perfect press fit.