Windshield wiper arm M8 nut cap
thingiverse
This is a straightforward cap to hold the M8 nut that secures the windshield wiper arm. **The print definitely requires supports**, and I strongly suggest using ABS or some other high-temperature plastic. I've created this design specifically for the Skoda Octavia II (1Z), but it should work well on most vehicles as long as the dimensions are a match.
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