How do you creat drawing for this 4 symmetric dovetail slot?

dovetail slot   Dan dovetail slot blank

An apparatus and method for inspecting a dovetail slot of a gas turbine engine disk are presented The apparatus includes a first pin member

The #1304 Dovetail Slot is used to anchor masonry to concrete with the #2102 dovetail triangle or with the #2200 Dovetail Corrugated Tie  For anchoring masonry to concrete with dovetail ties GAUGES #305 Slot available in 22 or 16 ga

king carrot slot demo Multi-function dovetail slots for optical telescope and finderscope, solid all metal construction ultra-thin design, ultra-light weight  Dovetail slots are typically installed vertically and spaced 16 to 24 Standard Dovetail Slot length is 10 ft Standard and custom Dovetail Anchors