How do people cut sharp inside corners, like the triangles shown? This example is cut in stone but I have seen similar features on wooden building blocks.
How do people cut sharp inside corners, like the triangles shown? This example is cut in stone but I have seen similar features on wooden building blocks.
Sorry, I am stuck in the metals space and took this as a general question. For the specific situation above, it’s likely a chisel or some kind of masked abrasive blast