Small M3 socket (outer diameter 7.8mm) (Ant PCB mill)
thingiverse
We created a smaller M3 socket to fit into tiny screw holes. This was essential for building the Ant PCB mill because some holes were too small to accommodate standard sockets. The socket was printed in PLA, although this material might not be ideal, it worked for us. I suggest using Nylon for better durability. The design was crafted in Fusion 360 and then printed on a Prusa MK3S. The print features bridging but no supports are needed. The small bridging should be manageable even for modern printers with proper part cooling.
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