Looking for a rubber (belt) like filament

Hi there,

I’m looking for a filament that is like the rubber used in mechanical transmission belts.
Something like the material used here:

image

I know is a very specific and technical filament, but there must be something out there…

I mean I would go right for TPU 95A but I would imagine you considered that and are looking for other exotic materials with different properties?

TPU 95A is to much stiff.

So no one has experience here?

Never attempted printing a rubber band.

You could give Varioshore TPU a try.

You can try a lower shore hardness tpu. It will be less stiff but also have more stretch. You may be able to model your belt with a void, set a pause, insert twine or even thin cable into the void and print over it. Same way you would embed a nut intona print. This is exactly what I would do if i wanted to print a belt. Alternatively, you could just make the belt thicker but also use softer tpu if you need less stiffness but not so much stretch.

Ive never tried anything lower than 95a in a bambu printer though. Others probably have more experience

" The shore hardness of soft TPU filaments can range from 60A to 90A, with lower numbers indicating softer filaments"

The 60a can stretch up to 600% of its original size before breaking.

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Thanks for the clue. I will look for information about that filament.

A couple of ideas to think about.
Thank you.

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