3d printed Connector for jumper wire 12mm Dupont as soldering aid.
Find out everything you need to know about the connector on my blog:
https://nerd-corner.com/printed-connector-as-soldering-aid-for-jumper-cables-and-led-strips/
14mm version on:
https://www.thingiverse.com/thing:5658124
The author marked this model as their own original creation.