Design your unique maze!
Go here http://www.mazepuzzlebox.co.uk/create
and draw your maze. To make the maze harder, use dead ends and junctions where timing becomes more important. Click 'create box' and then enter your material thickness. Click 'generate plans' to get the plans that are correct for the thickness of your material.Inspect the plans
open the DXF in your CAD program (QCAD is free
) and check things look OK. I use an HPC laser and the software won't import the file as it stands, so I have to save it with QCAD and then it works. I'd be really interested to hear if other software works without having to open and save it in a CAD program.Laser settings
The finished CAD file has 4 colours, white and grey for the cuts, green for patterns and blue for etched parts. The settings I use on a 30W cutter are:
* etch (blue): speed 200, power 30, scan gap 0.05
* pattern (green): speed 100, power 40
* cut (white and grey): speed 4.2, power 100
It is well worth experimenting to make sure that the etched parts are sufficiently etched. This is hard to explain, but if you look at the plans (image above), the ball rolls on the big etched rectangle on layer 4 with layer 5 (the maze) and layer 6 on top of it. The material is meant to be 4mm, but it is often thinner (my 4mm ply is actually 3.72mm). So we have to etch at least .3mm out of one layer for the 4mm ball to roll in the space between 2 layers.