Hob3l is a command line tool for reading SCAD files and writing STL files for 3D printing. The focus is on speed and robustness. OpenSCAD can convert SCAD to STL, too, but it is very slow, because it ...

This file includes stroke(), which converts a path into a geometric object, like drawing with a pen. It even works on three-dimensional paths. You can make a dashed line or add arrow heads. The turtle ...

The pupil controls how much light enters the eye, allowing for clear vision. In low light, pupils widen to let in more light, and in bright light, they narrow to prevent too much light from entering.