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Underwood "SS" typewriter foot — image 1
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Underwood "SS" typewriter foot

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This is a replacement rubber foot for an Underwood "SS" typewriter.

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This is a replacement rubber foot for an Underwood "SS" typewriter from the 1940s.

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.

This design is based on the original feet of my Underwood "SS". The feet have a metal cup on top, and a wide-profile rubber part underneath it. A screw holds everything together. There are some features of the original foot that I reproduced in details, like the top, but as I didn't want the use of supports I modified the bottom of the foot.

The orange parts on the pictures are made of PLA for prototyping.

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