Air Mattress Pump Nozzle
thingiverse
This is a functional replacement for the Coleman 4D Quick Pump nozzle. The locking tabs on mine were broken and the the original is needlessly complex. The part locks on to side of the pump for inflation or fits the top of the pump for deflation. It has a tapered end to fit a variety of air mattresses including Coleman. This is based on Michael Spivey's Parametric inflater nozzle which I found on 3D Printmakers.
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