Geoservant 3D | Create solid Geometry in 3D – Matheretter https://www.matheretter.de/geoservant/en?draw=vector%283%7C2%7C1+0%7C4%7C0%29%0Avector%283%7C6%7C1+-4%7C0%7C4%29%0Acube%28-1%7C2%7C1+4%29%0Apoint%283%7C2%7C1+%22A%22%29%0Apoint%283%7C6%7C1+%22B%22%29%0Apoint%28-1%7C6%7C1+%22C%22%29%0Apoint%28-1%7C2%7C1+%22D%22%29+%0Apoint%283%7C2%7C5+%22E%22%29%0Apoint%283%7C6%7C5+%22F%22%29%0Apoint%28-1%7C6%7C5+%22G%22%29%0Apoint%28-1%7C2%7C5+%22H%22%29%0Apoint%281%7C6%7C3+%22K%22%29%0Apoint%281%7C4%7C3+%22M%22%29%0Avector%283%7C2%7C1+-4%7C4%7C4%29
and arbitrary geometric shapes are drawn online, such