Pentomino 3D

Pentomino 3D (Version 2) Pentomino 3D is a versatile geometric puzzle designed for both two-dimensional areas and three-dimensional constructions. This updated Version 2 features an optimized sliding lid box with a snap-in mechanism for secure storage. 🛠 Quick Start & Print Settings The exact settings are not critical; you can use your preferred standard profile. I printed the puzzle with the following settings: Material: PLA Resolution: 0.2mm Infill: 20% no supports no raft, no brim 🆕 Fitting This set includes a redesigned base and a matching sliding lid for better handling. Lid Fit: If the printed lid jams or is too tight, re-print it with its width reduced by 0.2 mm in your slicer. Snap-In Mechanism: If the lid is too hard to close, simply file or sand it down slightly using a nail file or sandpaper until it clicks in smoothly. If the snap-in mechanism is not tight enough, you can print the lid 0.2 mm wider. Pro Tip for Perfect Tiles: For a "factory-finish" look on both sides, print two half-thickness pieces (sink them 7.0 mm into the build plate in your slicer), mirror one set, and glue them together. 🧩 The Challenge The set consists of the 12 classic pentomino pieces plus one O-tetromino to completely fill the 8 x 8 area of the box. 2D Tasks: Try to fit all pieces flat into the box. There are thousands of solutions, but finding one is still a challenge. 3D Tasks: Use the pentomino pieces to build 3D structures, such as a 3 x 4 x 5 block There are many other two- and three-dimensional shapes that can be built using the pentominoes. Online Solver: If you get stuck or want to create your own shapes, use the web app: Pentomino 3D Online Solver (No download required). Solution videos for the 3-dimensional shapes shown are available on YouTube: Pentomino3d shape Cuboid 3x4x5 Pentomino 3D shape Stairs Pentomino-3D shape No 38 📐 Mathematical Background Pentominoes are polyforms made up of 5 squares. There are 12 different ways to arrange them. While pentominoes are classically defined as 2D objects, these 3D versions are mathematically a selection of specific pentacubes consisting of 5 cubes. Further polyform puzzles and background ➤ Pentoma Puzzles Liked this model? Check out my other polyform puzzles on Thingiverse ➤ All my printables models Safety Note Safety note: Choking hazard due to small parts. Not for children under 3 years.