I gotta say, I still kinda resent the d10’s invasion of what had been a perfect set of Platonic Solids. And especially a pair of d10’s for percentiles. 🙁
A d20 can serve just fine as a d10, and for my purposes, even better than a d100. Who really needs to drill down farther than 5% increments? Some people love d100 systems, me not so much.
Give me the Platonic Solids. They best suit my sense of balance in the universe. 🙂