The shape to drill into.
One hole per frame: the origin is where the hole enters and the normal points out of the material, so the hole runs against it.
OptionaldiameterThe diameter of each hole, in model units.
OptionaldepthHow deep each hole goes from its entry, in model units, not counting a drill point; 0 drills through the whole shape.
OptionaltipThe full angle of the drill point at the bottom of a hole, in degrees: 0 leaves a flat bottom, and 118 is the point of a twist drill.
A shape, the frames to drill at and the size of the holes for
features.holes;features.counterboredHolesandfeatures.countersunkHolesadd a shaped mouth to each hole.