Square key knob
thingiverse
A simple key/knob to use with a 6.95mm square latch mechanism (standard door's knob's axe in France) installed as a service hatch for plumbing. Print Settings Printer: Prusa i3 China Derivated Rafts: Doesn't Matter Supports: No Resolution: 0.3 Infill: 25% Notes: Be sure to set enough infill to avoid the layer to shear and loose the square part inside the latch mechanism.
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