Sliding Tile Puzzle

Basic 3x3 sliding tile puzzle. STLs of the pieces required to build the pictured puzzle included.
OpenSCAD script used to create the puzzle included. Using the OpenSCAD script the size of the puzzle and number of tiles can be modified by changing a few parameters. The OpenSCAD script will also produce the STLs for the numbers with correct positioning to print tiles and numbers in two colors on a dual-extrusion printer.