Argus C3 Shutter Knob
thingiverse
Argus C3 'The Brick' Shutter Cocking Knob. Designed to replicate the knob found on the C3-Matchmatic, but fits on all C3 cameras. This knob prints easier & stronger than it would had I replicated the knob off the earlier C3. This knob was designed to be used in conjunction with the original jam nut.
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