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This is dupont connector lock for 1-6 pins. There are variants for 12 and 14mm dupont connector.
Initially I used PLA, but the connector is fragile and propably wont withstand reusing. PETG is more suitable, because it is more flexible iand wont brake easily.
Hovever, if you dont have petg, printing the outer piece standing in vase mode in pla is good compromise- the layer adhesion is better than printing vertical without vase mode and it has quite good amount of flexibility.
If you are using single dupont connectors, i recommend using zip-ties for both ends for better rigidity.
This thing is also available on printables, so feel free to interact on either platform.
Printables link: https://www.printables.com/cs/model/219517-dupont-connector-lock
<h3>Updates:</h3>
14.6.2022 - 6 pin versions added
This is remix of https://www.thingiverse.com/thing:3686707. I added options for different number of wires. I also use bigger clearance betwen outer and inner part.
