Starfleet cookie cutters: Command, science and engineering
thingiverse
There is an outer cookie cutter for the main insignia outline, plus three stamps that you can press inside for command (star), science (circles) and engineering (spiral). The outer cutter is modified from a standard Starfleet insignia to be rounder and better for cookies. The inner stuff is converted from vector files I found somewhere online, maybe here.. The main cookie cutter was done using this method.
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