#murmel

6 models

Kurven for a marble run

Kurven for a marble run

Printables ⭳ 2.5K ♥ 289

Roller coaster for a marble run

Roller coaster for a marble run

Printables ⭳ 2.4K ♥ 279

Optimized looping with slope

Optimized looping with slope

Printables ⭳ 1.8K ♥ 175

Magnetic Kickback - Reverse Gauss Cannon - Gravitrax Extension

Magnetic Kickback - Reverse Gauss Cannon - Gravitrax Extension

Printables ⭳ 1.2K ♥ 281

Powerful Magnetic Marble Cannon (Easy Reload) - Gravitrax Extension

Powerful Magnetic Marble Cannon (Easy Reload) - Gravitrax Extension

Printables ⭳ 994 ♥ 169

spiral for a marble run

spiral for a marble run

Printables ⭳ 1K ♥ 138