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January 9, 2025

FFF printing optimised mask holder

large_preview_Holder_final_v2.png

This mask is based on the EDAGmask4all design (https://www.edag.com/en/edag-group/press/corona-crisis-team/edagmask4all) and was remodelled to be better printable on FFF style printers. It was designed for the MakerVsVirus hub Munich face mask initiative.

Changes to the original EDAG design are as follows:

  • removal of the EDAG logo and lower height part to improve printing speed and allow for better stackability of the parts
  • enlargement of the blocker hole by 10mm to cater for larger faces
  • reduction of the holder hole by 0.2mm on all sides for a tighter fit of the blocker (we use one layer filter cloth, the original clearance was too big for that)
  • enlargement of the strap holes since the original holes tend to glue together (are too tight)

I print these files with 3 perimeters, 0% infill, 4-6 bottom and top layers, layer height depending on your nozzle width and whether you want to stack the parts (for stacking I tend to print with 0.2mm layer height, for non-stacked version it can also be printed with 0.3mm or even higher (if 0.6+mm nozzle is used).

Assembly instruction see in the EDAG link above.

The CAD data can be found here: https://cad.onshape.com/documents/fc584fa4d13dc20d836ed5a1/w/b9da2f948c17e11b31c8433d/e/f3eca694d6400286e1c28bdd

This article was first featured at https://ift.tt/2K9cFhu on April 15, 2020 at 09:49AM by lakeitbenjamin

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