Is this 3D model free to download?

Yes, Circle Heart Optical Illusion is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" 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 lukeskymuh, published on Thingiverse. 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.

Circle Heart Optical Illusion 3D printable model by lukeskymuh

Circle Heart Optical Illusion

Source: Thingiverse by lukeskymuh

The Circle Heart Optical Illusion is a free printable 3D model from Thingiverse by lukeskymuh. Rotate it by 180° and the two hearts transform into two rings or hold it in front of a mirror. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

595 saves Source: Thingiverse Updated 2026-10-26 License: CC-BY · commercial OK 4 makes Category: Decor & Art

Tags: Heart, hearts, maker wedding, optical, optical illusion, wedding, wedding ring

About this model

Rotate it by 180° and the two hearts transform into two rings or hold it in front of a mirror. For the best effect look at a 30° angle down to the object. Inspired by the circle/square ilusion invented by Kokichi Sugihara, analyzed by Professor Dave Richeson, and posted by landisbs. Here a video:

Frequently asked questions

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