Graf wastewater treatment plant control box lock cover
thingiverse
This is a cover I made to cover the lock on my Graf wastewater treatment plant control box. I wanted to prevent the salty sea air corroding the lock. I sprayed the lock with oil then slid the cover on. It has done well over the winter and the lock still functions fine. The cover has a wide rounded end to help grip it when sliding the cover off the lock. Using TPU filament makes for a flexible snug fit.
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