Is this 3D model free to download?

Yes, Spin Box is free to download from MyMiniFactory. Open it in the free Thinger app, or use the "Download from MyMiniFactory" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by MyMiniFactory. Use the "Download from MyMiniFactory" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by Neil Sawhney, published on MyMiniFactory. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Spin Box

Source: MyMiniFactory by Neil Sawhney

The Spin Box is a free printable 3D model from MyMiniFactory by Neil Sawhney. This is a very simple design that implements a cool idea. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MyMiniFactory

30 saves Source: MyMiniFactory Updated 2026-10-05

Tags: box, container, physics, puzzle, safe, secret, trick, spin, lit, opening

About this model

This is a very simple design that implements a cool idea. Despite looking impossible to open from the outside it is possible. I didn't make this up, but the only way to open it is by spinning it. Pins on the inside are forced outward by centrifugal force and the box opens only when spinned. Heres a video of it working

Frequently asked questions

Is this 3D model free to download?: Yes. Spin Box is free to download from MyMiniFactory. Open it in the free Thinger app, or use the "Download from MyMiniFactory" link above to open the original listing.
Where is the STL hosted?: The download is hosted by MyMiniFactory, not by Thinger. We link you directly to the original listing by Neil Sawhney.
Who made this model?: Designed by Neil Sawhney, published on MyMiniFactory. 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.