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1920 Underwood 5 typewriter rubber foot — image 1
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1920 Underwood 5 typewriter rubber foot

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This is a replacement rubber foot for a 1920 Underwood 5 typewriter.

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This is a replacement rubber foot for a 1920 Underwood 5 typewriter. Note that the Underwood 5 can have several types of rubber feet. Here, I copied the original shape of the feet of a specific Underwood 5 which has metal cups on top of the feet.

Print settings:

  • I used Siraya Tech Flex TPU - 85A Filament

  • Shore 95A TPU is too hard.

  • Softer TPU should work as well, but I haven't tried.

  • 85A gives decent grip on a smooth surface.

  • I fed the TPU directly to the extruder, no PTFE tubing.

The first two pictures show the original foot vs. the 3D-printed foot.

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