https://cults3d.com/en/3d-model/vari...ic-assist-pump
Not sure if this has been posted yet or if the creator is on here but it's a really clever idea. Basically the 3 way is just reversed and attached to the pump handle.
Not sure if this has been posted yet or if the creator is on here but it's a really clever idea. Basically the 3 way is just reversed and attached to the pump handle.
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