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Universtal Expanding Ring Mandrel

Universtal Expanding Ring Mandrel

thingiverse

Hardware: 2 x M5 x 50mm bolt (cut the bolt bit off one to fit in the desktop holder, the bold is useful when using the drill to stop things coming undone) 2 x M5 nuts (low profile preferably) May be a bit of post-print filing required as I under size the holes to make sure it's a snug fit. PLA may warp if your blanks gets too hot whilst sanding, PETG is a better choice. Wet sanding stops this too.

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