Mechanical Puzzle Toy – 3D Printed Marble Machine (No Supports Required)

100% PLASTIC MECHANISMAll moving parts are fully 3D printed.No metal parts, screws, or additional components required.

Looking for a unique mechanical puzzle that is both fun to play and satisfying to print?Mechanical Puzzle Toy – 3D Printed Marble Machine is designed to challenge your logic, coordination, and curiosity. Guide the marble through a series of clever mechanisms, ramps, and moving parts as you try to complete the path from start to finish.

Every section of the puzzle creates a satisfying mechanical interaction, making it enjoyable to watch and even more fun to play. It’s perfect for solo play, or you can turn it into a challenge with friends and family — who can complete the path the fastest?

Printing Recommendations

Wall loops: 1

Some parts use tight tolerances, so wall loops are set to 1 to ensure proper fit between parts.The model still remains strong thanks to sufficient infill and part design.

Layer height: 0.1–0.2 mm

Material: PLA

Infill: As shown in each STL file preview image.Each part may require a different infill percentage.The recommended infill value for every part is shown in the preview image of its STL file.

Note

This model is designed to fit a 220 × 220 mm print bed.

Printers with smaller build volumes may not be able to print some parts.Larger printers can print the model without any issues.

Assembly

The full assembly process is shown in the YouTube video. https://www.youtube.com/watch?v=xSUMq11pu3o

Safety Warning

Small parts may present a choking hazard.Not suitable for children under 3 years.