I wanted a lower-profile replacement heel for my Sidi shoes that more closely matched the original. Thanks to Chris for his original work and getting the fit of the curves just right to match the bottom of the shoe!
I would recommend printing this with the shoe-facing side facing up. I printed the main part of the pad in TPU to mimic the rubber of the stock pad, then switched to PETG for durability for the part that contacts the shoe. I'm unsure how the bond between the two filaments will hold up, and I think the PETG may be overkill. It's likely printing solid out of 95A TPU would create a strong and pretty durable part with less likelihood of layer adhesion issues.
The author remixed this model.
Made the heel pad slimmer.