Colour: BLACK + YELLOW

Control points: 37

**PIRLA #4501 - 37, BLACK + YELLOW - 2022.** 99x99 PIRLA is a collection of 9801 unique generative spinning tops. 99 colours. Each three-dimensional rotational solid is generated by a nurbs of 10 to 37 geometrical control points. [https://pirla.re/99x99/4501](https://pirla.re/99x99/4501)