Well, you could export enough triangles to get less than 0.0005" variance, but in practice actual CAM software will choke on it is my impression; I sent some ci

Well, you could export enough triangles to get less than 0.0005" variance, but in practice actual CAM software will choke on it is my impression; I sent some circular objects out to be machined, but they just treated by OpenSCAD-exported files as a secondary reference for them redoing it in real software.