They found that three of the enclosures appear to have been designed together in a triangular, geometric pattern. These structures’ center points—situated roughly halfway between two large ...

They also reveal how they foraged or left stone tools – and made patterns in the sand ... groove features that formed a near-isosceles triangle, complete with an almost perfect bisector.

It’s a tool that aims to make creating geometric patterns for lasercutting easy ... basic rectangular panels with inset cubic and triangular motifs, all the way up to an ornate octahedron ...