Sierpinski Fractal Pyramid 3D print model

3d-printable Sierpinski Fractal Pyramid - 3d nested triangle / tetrahedron / pyramid shape - with smooth corners

produced with a signed distance function / marching cubes process followed by quadratic decimation.

includes higher-poly version with 865K faces and lower-poly version with 432K faces.

binary stl, ply, obj formats

The Sierpinski Fractal Pyramid is a three-dimensional fractal shape derived from the Sierpinski triangle, a well-known fractal in two dimensions. It is constructed by recursively removing smaller pyramidal sections from a larger pyramid, resulting in a self-replicating, intricate structure.

3D printing a Sierpinski Fractal Pyramid can be challenging due to several factors:

Complexity: The pyramid's recursive nature results in a high level of geometric intricacy, with numerous smaller pyramidal voids within larger ones. This complexity can lead to difficulties in maintaining structural integrity during the printing process.

Precision: Achieving the desired level of detail and accuracy in each layer of the pyramid can be demanding. Printers need to be finely tuned, and the printing material should be of high quality to prevent issues like warping or layer misalignment.

Supports and Overhangs: As the pyramid's layers get smaller and narrower, overhangs and unsupported areas become more prominent. Adequate support structures need to be designed and printed to ensure the model's stability and prevent print failures.

Printing Time: Printing a Sierpinski Fractal Pyramid, especially at a high level of detail, can be time-consuming. The intricate structure requires many layers to be printed, which may extend the printing time significantly.

Post-Processing: Removing support structures, sanding, and finishing the 3D-printed pyramid to achieve a smooth and polished appearance can be labor-intensive and time-consuming due to its intricate design.