**DIY Spray Paint Pump from Disinfectant Sprayer - Free STL**
Turn a cheap disinfectant sprayer into a fully functional spray paint pump for under $1! This DIY project uses a 370 dual-head air pump and a 3D-printed housing (PETG recommended; PLA may soften with heat). Perfect for makers, hobbyists, and anyone looking to upcycle old sprayers into a budget-friendly spray painting tool.
**How It Works:** Check out the full build guide on my YouTube video: It covers assembly, newbie tips, and fixes for issues like paint bottle spills.
**Tips:** - Verify pump dimensions before printing. - Feel free to remix the STL for your setup!
Got ideas to improve this design? Drop a comment here or on the YouTube video! If you like this project, please give it a like and check out my channel for more DIY builds. Happy printing and painting!
**What’s Included:** - STL file for the pump housing - Alternative housing STL without the switch - Designed to fit a 370 dual-head air pump (~$1 online) Search for "370 dual-head air pump" online (370雙頭氣泵).
**Assembly Notes:** - Use five M3x8 screws for assembly and one M3 screw to secure the neck. - Soft rubber tube: 7mm outer diameter, 4mm inner diameter. - Optional: KCD1 switch and JST connector for easy assembly. - Add a 104 ceramic capacitor for motor durability.
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DIY Spray Paint Pump from Disinfectant Sprayer
Creative Commons Attribution
You can distribute, remix, adapt, and build upon the material in any medium or format, as long as attribution is given to the creator.
Licensed under CC BY
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