Slimeline Pen, 3D printer style
7mm Pen blank for a Slimline / Funline style pen Kit.
The ID hole is sized to fit snug on a 7mm Pen tube. Not all printers print at the exact same measurements. If yours is too tight or too loose, then scale the STL by 0.1 +/- or so to get a good fit. Squaring to the tube is recommended.
Attribution - Creative Commons
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