three shadows object

thingiverse

This intriguing object produces 3 distinct silhouettes: a circle, a square and an equilateral triangle (the fundamental forms of Bauhaus design). It's crucial to acknowledge that this is theoretically accurate only when light rays converge precisely parallel to one another (which necessitates a point source of light infinitely distant). In reality, Sunlight rays will accomplish the task flawlessly, whereas artificial illumination won't. There are numerous other objects, often more intricate than this one, that cast fascinating shadows. Examine, for example, this one: https://www.thingiverse.com/thing:202774 Also highly renowned is the EGB object, featured on the cover of Gödel, Escher Bach, and found among examples in OpenSCAD. (I printed a version with some rice on it (I used a straw to slide the rice while printing) and created a nice maraca.)