Featured in Domain Arrivals · 2026-08-13
GemCutter: a window into better gemstone cuts
A faceting-design planner that builds 3D gemstone geometry, checks pavilion facets for windowing, and exports a cutting plan.
Why it surfacedGemCutter tests each facet against the material’s critical angle, then renders a map showing where light escapes instead of returning to the eye. It turns a specialist faceting worksheet into something you can rotate, inspect, edit, and export before touching a dop stick.
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Thirty Patents for the Grave
August 13’s newborn domains include 30 safety-coffin patents, lost notices for false teeth and a box of hair, short films playing in 100 Tokyo taxis, and a Queensland river view arranged gauge by gauge downstream.
This is one of 1,000 discoveries in the 2026-08-13 Domain Arrivals issue.