Delta fractal (11 iterations)

3D Model

The Delta fractal (2010) is apparently the first proper extrapolation of the generalised Koch curve into three dimensions to be discovered. The core shape decomposes into three rotated copies, every edge is an identical Koch curve and every facet is an identical Koch leaf.

• https://www.researchgate.net/publication/262600735_The_Koch_curve_in_three_dimensions

Feel free to download and reuse.