Is this 3D model free to download?

Yes, Fractal Pyramid with Continuous Cross-section 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 ricktu, 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.

Fractal Pyramid with Continuous Cross-section

Source: Thingiverse by ricktu

The Fractal Pyramid with Continuous Cross-section is a free printable 3D model from Thingiverse by ricktu. No supports. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

11,972 saves Source: Thingiverse Updated 2026-10-17

Tags: Fractal, Pyramid, with, Continuous, Cross-section

About this model

No supports. No bridging. No retractions. It has the astonishing property that the horizontal cross sections are simply connected and change continuously with height, so can be printed perfectly with spiral mode (or single-walled without infill). !cross section animation This fractal is half of the octahedron flake (or Sierpinski octahedron). Every triangular face is a Sierpinski triangle, and the base of the pyramid is (approximately) a space-filling curve called the Sierpiński curve. Figures like the Vicsek fractal also exist in this model.

Frequently asked questions

Is this 3D model free to download?: Yes. Fractal Pyramid with Continuous Cross-section 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 ricktu.
Who made this model?: Designed by ricktu, 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.