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Surgical Mask Retainer / Extender Clip - Batch Generator — image 1
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Surgical Mask Retainer / Extender Clip - Batch Generator

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As "normal" printed straps (fishbones type) would only allow to print 9pc at a time, I searched for a way to increase…

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Model information

License
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As "normal" printed straps (fishbones type) would only allow to print 9pc at a time, I searched for a way to increase my batches to 50 pieces.

The Thingiverse thing from veno0msho inspired me and I did:

  • implement batch generator based on printbed width.
  • modify hook size to reduce head travel by 30%
  • simplify/document the OpenSCAD Customizer options
  • simplified the code ;-)

All credit go to veno0msho ;-)

To print this object, you MUST:

  1. Open the SCAD file in OpenSCAD.
  2. Set Pairs=1 for your first tests.
  3. Set ExtrusionWidth to 150% of your printer nozzle width.
  4. Generate the SLT (F6 then F7 within OpenSCAD).
  5. IMPORTANT: Repair the SLT with NetFabb (right click in PrusaSlicer)
  6. Slice the object (In PrusaSlicer, do NOT enable the option "Detect thin walls" and disable the Skirt).
  7. Verify agains strange things (eg: missing parts)
  8. Test a print

Redo tests reducing progressively the ExtrusionWidth.
The goal is to have the printer head pass twice everywhere BUT the two passes cannot overlap each other too much (see the picture "BAD/GOOD").

Once you found the good settings for your printer:

  1. Set Pairs=0
  2. Set the PrinterBedWidth
  3. Redo previous steps from 2 to 8.

Print instructions

Please see the description for the important steps to follow.

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