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Filament guide for Sanjiu / SANBrother Metal BMG extruder
Customizable in OpenSCAD3D printer parts and enhancements
A permissive Free Software license that lets this work be widely shared with few restrictions.
"v4" (blue part in the pictures) was already much tighter, than the (black) stock piece. But it was still not tight enough to print flexibles properly.
The "v5" (depicted in copper) should tackle that now.
Materials and methods
My specimen was printed with a 0.3mm nozzle and 0.35mm line width.
You'll need a drill bit for post processing.
> 1.8mm, because the drill will elastically widen the plastic while drilling.
And a sharp knife/scalpel of course.
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