OctaPentas – The Puzzle Pieces

OctaPentas – a puzzle based on regular octagons and pentagons

The OctaPenta grid consists of regular octagons and pentagons. The ratio is 1:4: for every octagon, there are four pentagons.

There are 13 different OctaPenta forms: six Di-OctaPentas, each made up of one octagon and two pentagons, and seven Tri-OctaPentas, each made up of one octagon and three pentagons.

Nine of these 13 forms were selected for the puzzle.

The 9 puzzle pieces on the OctaPenta grid: three Di-OctaPentas and six Tri-OctaPentas
The 9 puzzle pieces on the OctaPenta grid: three Di-OctaPentas and six Tri-OctaPentas

OctaPenta Puzzles

3D-Printed Puzzle

The 3D-printed puzzle consists of nine selected OctaPenta pieces. The Polysolver program was used during development. This puzzle is one of the more challenging puzzles in the collection.

3D-printed OctaPenta puzzle in the slider box
Solution to the OctaPenta puzzle

Some Shapes Made from the Nine OctaPenta Pieces

OctaPenta shape 2
Solution to OctaPenta shape 2
OctaPenta shape 3
Solution to OctaPenta shape 3
OctaPenta shape 4
Solution to OctaPenta shape 4

Resources & Downloads

3D-Printing Templates

The 3D-printing templates include nine OctaPenta puzzle pieces and a slider box.

3D-printed OctaPenta puzzle pieces in the slider box
OctaPenta puzzle pieces and slider box