Kaercher osVAC Adapter

osVAC to Kärcher Adapter
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updated January 10, 2026

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Printed in PETG on my Bambu Lab X1C with minor supports. Works fine, but has some play in my Kärcher WD3 (PETG shrinkage factor?). OSVAC M32 adapter works perfectly!

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I tried to print it several times using PLA but the button always breaks in the middle. It's just too stiff and doesn't flex. Looks like the button must be printed separately and in a different direction for it to function properly.