7849 Three Piece Puzzles

thingiverse

The puzzles are derived from a cube made up of 27 sub cubes - see thing:1570354. The openSCAD code contains a table of 7849 three piece puzzles, any of which can be constructed. Here are 6 sample puzzles. Five of the puzzles can be assembled into a cube. The puzzle in cube_three_5016.stl can only be solved "virtually", a piece has to be broken in order make the cube. The puzzle sets are numbered from 1 to 7849 and the stl file names contain the number of the set that makes the puzzle. More details are given in the openSCAD code. Print Settings Printer Brand: MakerBot Printer: MakerBot Replicator (5th Generation) Rafts: Yes Supports: Yes Resolution: 0.3 mm Notes: Cube_three_4537.stl, cube_three_5016.stl, cube_three_7028.stl and cube_three_7845.stl require support ; cube_three_6680.stl and cube_three_7098.stl can be printed without support. Notes This is a small subset of all the possible three piece puzzles. A description of the calculations that led to the puzzles is in puzzle_table.scad. Open puzzle_table.scad in notepad to view the information . View_9_sets.scad makes one or more of the shapes in the subset. The puzzles vary in difficulty. In general the puzzles with larger set numbers are more difficult. Puzzle 1 is composed of three 3x3 rectangular slabs. Puzzle sets 2 thru 170 contain a single 3x3 slab and 169 combinations of pieces that fill the remaining space.