OpenSCAD Maze

by Corona688, published

OpenSCAD Maze by Corona688 Dec 16, 2014



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Okay, people had a really hard time using the last maze generator since it was programmed in a peculiar way.

This one uses ASCII art. It calculates the shape of the maze from the ASCII itself (which REQUIRES a pretty new OpenSCAD). Or you can use the new (and untested!) maze different from last years'. Enjoy.

NOTE! I haven't printed this maze yet! I'll check it tomorrow :D [edit] It prints, it works.

[edit] Minor but important code fix in lmaze6a.scad

[edit] Maze generator at http://burningsmell.org/maze.html

The lid is in Sneakypoo's original labyrinth gift box, see "Sources".


You can use the premade maze, which is different from last years', or you can build your own by editing the "m" array to your liking. You cannot change its dimensions.

Hit F6, wait for it to render.

Adjust aoff until the bump which holds it shut is in the right place. F6, check, etc.

Finally, F6, wait for it to render, file, export as STl, save, wait a minute, and you'll have your customized maze.

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Jan 17, 2016 - Modified Jan 19, 2016

Great !

I've done one in PLA, all is OK.

Now I want to build some other but smaller in ABS (to make geocaches)

I've just tried to scale down with CURA (0.4), all print good but the inner piece does no fit in the lid (a little to big). Does someone make smaller boxes ? If yes how did you do ?

Is there a way to edit the size in Openscad files (I'm a very beginner ... )

Thaï you for your help !


Jan 18, 2016 - Modified Jan 18, 2016
Corona688 - in reply to theju


Try scaling the lid 0.5% - 1% smaller than the inner piece.

Already tried but at 0.42, lid is to big and at 0.41 to small ...

try the logical middle ground - 0.415

Great thing,

Just used to generate a maze for two nubs. But have no idea, how to add more nubs to the lid. Any suggestions?

Sorry, I misunderstood. You want to add bumps to the LID.

How about this? http://pastebin.com/5FxdhyAr

Super! That's exactly what I need. Thank you very much.

Comments deleted.

Maze-06 in the zip file is not solvable. (Learned the hard way after printing)

Apologies for that, the algorithm should have generated solvable mazes, but holes are cut in the walls and more added to make it circular and capped and apparently leaves room for that kind of error.

No worries, I've printed a bunch of the other ones and they all turned out great. Thanks for posting this!

Apr 21, 2015 - Modified Apr 28, 2015

I'm working on a maze generator that runs purely in OpenSCAD (yay customizer!) but the most complex thing Openscad can handle is the sidewinder algorithm (which would work pretty well for this purpose, now that I think about it)
Maybe when I finish with that it could be adapted to fit the gift box?

I'm not experienced at all with OpenSCAD, how simple is it to change the size of the dimensions of the container?

Not that easy. It subtracts channels from a hardcoded 3d "blank", and I didn't include a lid in my design either. It uses sneakypoo's original lid because I wanted to make sure he got pageviews from my derivative.

Mar 17, 2015 - Modified Mar 17, 2015

Great post. Thanks!

Note: To calculate the value of 'aoff' for a certain column, it is:


nice object and even nicer code! thx

This is such a powerfull coding