Customizable adapter for the Flextail Gear Tiny Pump 2X.
Can be modified (see screenshot) and downloaded with the link below - no account needed:
https://cad.onshape.com/documents/d883bcc6ace454daa1036a0e/w/ade749a47ce56b4950cbfff2/e/a8f4ef57cda7b5b38f0cc854
The author marked this model as their own original creation.