OctaStack – An Unstable Octahedron Stacking Game
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An unstable stacking game based on octahedral geometry, balance, and gravity. Designed for 1–4 players and 3D printing.
- Ocena
- 0 / 5
- Polubienia
- 9
- Pobrania
- 16
- Wydruki
- 0
- Wyświetlenia
- 151
- Oceny
- 0
Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Puzzles & Brain-teasers
- Licencja
- Creative Commons — Attribution — Noncommercial — NoDerivatives
Description
OctaStack is a 3D-printable stacking and balance game designed around geometric order, instability, and gravity.
The game is based on a hemispherical base featuring a cross-shaped grid of square pyramids (half-octahedrons). On this base, players stack modular pieces composed of octahedrons, derived from the five classic tetrimino configurations.
The base includes a small flat area at the bottom and a higher infill density in its lower section, providing initial stability that progressively disappears as pieces are stacked away from the center of gravity. The result is a controlled but inevitable loss of balance, making every move critical.
All pieces are fully symmetrical and can be placed upright or mirrored, increasing variability and difficulty.
This model was designed specifically as a stacking game entry for a Printables design contest.
Game Modes
Solo Mode
Stack pieces freely on the base.
The game ends when the structure collapses.
Challenge yourself to reach maximum height or complexity.
Multiplayer Mode (1–4 players)
Each player starts with one full set of 5 tetrimino pieces.
Players take turns placing one piece per round.
Rules:
If pieces fall partially, the player must place all fallen pieces plus their own without causing a collapse.
If a player causes a full collapse, that player loses.
If all players place all pieces without collapse, the game ends with no loser.
Included Parts
1 hemispherical base with geometric grid
4 complete sets of stacking pieces (tetrimino-based)
All pieces are one-piece prints and require no assembly
Print Settings
(Based on tested prints)
Material: PLA
Layer height: 0.20 mm
Nozzle: 0.4 mm
Supports: No
Glue: No
Infill:
Pieces: 10%
Base: 10%, with a 30% infill modifier on the lower spherical section
The infill distribution is part of the game design, providing initial stability that breaks as the center of gravity shifts.
Assembly
No assembly required.
Simply place the pieces on the base and start playing.