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Koss ear cushion 3D Printer File Image 1
Koss ear cushion 3D Printer File Thumbnail 1

Koss ear cushion

SE avatarSE

December 4, 2022

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Description

Simple to print, no supports needed. Not comfortable as original but will last longer than few years.

I tried few alternatives but this is the best I found:

  • flexible filament (TPE, TPU, …)
  • use brim
  • single perimeter
  • 30% rectilinear infill

In case of underextrusion, go down with filament's max. volumetric speed. I ended up with 1 mm^3/s on Prusa MINI.

Rectilinear infill is used because there's no Z-flexible infill. All infills print at the specific XY places in all layers or they print very near of the previous layer. Suitable infill could be rectilinear with alternating XY shift. That would create shape similar to what is used as a transition between connector and its cable.

Another possibility is to use something like a spider web. This requires very thin bridges but their ends must be thick so the bend is attached to the perimeter. PrusaSlicer uses the same bridge thickeness all the time which does not stick to the ends and make blobs.

License:

Creative Commons — Attribution — Share Alike

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