You Shall Not Pass!
Using some very handy online tools, TiSpace has been able to create a very sophisticated laser cut locking mechanism.
TiSpace recommends a couple of different online gear generators to get you started on your project:
- Gear Generator - This one exports straight to .SVG
- Involute Spur Gear Generator - allows for regular, rack and pinion or planetary gear designs, supports .DXF
Once you've played around with the generators, you should end up with a file to laser cut and assemble. Check out the Instructable to Grab TiSpace's files and see how his was assembled, and then try having a go at making your own!