I used the instructions on the original to put a Pumpkin Man symbol on the D20.
This is a custom die created using the Customizable Giant D20. If you want to make your own, or see what other people have made, check out the links below!
Customizable Giant D20: https://makerworld.com/en/models/487209#profileId-400022
Other Designs: https://makerworld.com/en/@PumpkinManCarl/collections/1413183