Labyrinth Lab

What are Labyrinths?

• A labyrinth is like a maze, but there are no wrong turns.

How to use a Labyrinth?

• Trace path with finger or a stick.
• 

What programs are used in this web app?

• Web server: Apache httpd
• Scripting: PHP 7.4.12
• Database: MariaDB 10.4.16 (fork of MySQL)
• SVG Simplification: Inkscape (Potrace)
• 3D Model Specification and Generation: OpenSCAD
• 3D Model Union: PyMesh in Docker Container
• Code Editor: NuSphere PhpEd
• Text Editor: Notepad++
• File Comparision: WinMerge
• File Search: Everything Search
• Image Editor: Paint.NET
• Image Conversion: Image Magick
• PNG Image Lossy Compression: pngquant
• Slicer (STL to G-Code): KISSlicer
• 3D Web STL Viewer: Three.js
• Process Launcher: Microsoft SysInternals PsExec64.exe
• Process Manager: Microsoft SysInternals Process Explorer
• Process Timeout: Tux-like Timeout
• Self-hosted Source Code Server (Git): GOGS
• IRC Client: Hexchat

How does this web app work?

1. A user uploads an image of their labyrinth.
2. The image is converted to a vector SVG image using potrace.
3. The SVG gets loaded into OpenSCAD to convert to a PNG preview and STL 3D model files.
4. The STL files for the base and the walls get merged into a single STL file using PyMesh conrefinement (faster than cgal).
5. The merged STL gets turned G-code using KISSlicer.
6. The G-code for the base and the walls get combined using PHP. A pause in put in to change the filament for different colors.
7. The G-code gets loaded into Repetier-Host and 3D printed on a Prusa i3 clone.

3D Printing

• Which 3D Printer do you use?
  > Anet A8 Prusa i3 Clone

Contact Author

Special Thanks

• irc.freenode.net
  • #openscad
    • teepee
    • InPhase
    • peepsalot
  • #reprap
    • buZz
  • #docker
  • #php
  • #imagemagick