Osprey hydration pack drying tube
thingiverse
A simple tube sized to prop open an Osprey hydration pack for drying. Might work for some others as well, but as it is, this design is sized for an Osprey 2.5 liter reservoir.This object was made in Tinkercad. Edit it online https://www.tinkercad.com/things/ajIa4geWhMX
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