Prusa RC3 US version for 38mm band
Free     Printables     SuperheroDIY

Prusa RC3 US version for 3-8mm band

I only have elastic that is 35mm so it wouldnt have worked great to try to wrap around the original Prusa US shield models ...

similar models —

Prusa RC3 US version for 3-8mm band alternatives
PRUSA RC3R15888
Angus B. Clark
PRUSA RC3 M2
ASMlab