Can we 3D Print a One-Way Check Valve?

Today I'm making a squeeze-bulb duster with a 3D-printed one-way valve that uses an airsoft BB as a check ball.

Squeeze bulb duster model: https://www.printables.com/model/999195-squeeze-bulb-duster-with-gridfinity-tray-and-one-w PolyDryer Ball Bearing Axle: https://www.printables.com/model/999208-ball-bearing-axle-shaft-for-polydryer

Tools and other stuff in this video: *This site contains affiliate links for which I may be compensated 6904-2RS Ball Bearings 20x37x9mm (Amazon): https://amzn.to/4cQTm7G Siraya Tech 85A TPU Filament (Amazon): https://amzn.to/3MA2ItO Polymaker PolyDryer Filament Dryer (Amazon): https://amzn.to/47iuOTW Polymaker PolyDryer Extra Dry Box (Amazon): https://amzn.to/4dU6B8P Airsoft BBs 6mm (Amazon): https://amzn.to/3Xvn2CR Bambu Lab X1-Carbon: https://bit.ly/3XzuET9 Bambu Lab X1-Carbon Combo: https://bit.ly/3JzYQaX Bambu Lab Filaments: https://bit.ly/3pusOqd

Raw Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/

00:00 Intro
02:26 Designing a squeeze bulb
07:34 Printing flexible filament in the Prusa XL
10:50 Modifying the PolyDryer box with a bearing axle
13:59 Printing the first prototype
14:59 Testing the first prototype
17:38 Designing a one-way check ball valve
22:29 Adding a pause in the slicer
24:21 Inserting the ball into the printing part
25:48 Testing the check valve
27:03 Declared success--almost as good as real success ... https://www.youtube.com/watch?v=moIEvfucojc