Optimus Inertia — Hand-Spin Top with a 6 mm Ball
Source: MakerWorld by Pr.BELAMINE MakerLab
The Optimus Inertia — Hand-Spin Top with a 6 mm Ball is a free printable 3D model from MakerWorld by Pr.BELAMINE MakerLab. Optimus Inertia is an original spinning top designed to make the most of its rotational inertia. You can download the STL file from the original listing below and print it at home.
About this model
Optimus Inertia is an original spinning top designed to make the most of its rotational inertia. The print profile concentrates material in the outer rim: the rim is printed at 100% infill, while the body uses only 15%.The top spins on a 6 mm ball (15/64" balls fit too). A small glue reservoir at the bottom of the socket holds the adhesive and centers the ball automatically: one small drop of super glue is enough. Keep glue off the exposed surface of the ball. ⏱️ My record: 5:00 on floor tile (GCr15 steel ball, spun by hand). Smooth surfaces such as glass do even better.Printing and assemblySingle-color PLA, supplied 3MF profile, no supports.Keep the seam position set to random (important for balance).Add a 6 mm ball after printing (not included).Place one small drop of super glue in the …
Frequently asked questions
- Is this 3D model free to download?
- Yes. Optimus Inertia — Hand-Spin Top with a 6 mm Ball is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link above to open the original listing.
- Where is the STL hosted?
- The download is hosted by MakerWorld, not by Thinger. We link you directly to the original listing by Pr.BELAMINE MakerLab.
- Who made this model?
- Designed by Pr.BELAMINE MakerLab, published on MakerWorld. Please credit the creator when sharing your print online.
- Can I print this at home?
- Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.
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