Get one of those $30 mini pottery wheels from Amazon.

https://smile.amazon.com/gp/aw/d/B0851BXRBD?psc=1&ref=ppx_pop_mob_b_asin_title

Get an acrylic disk that fits the platform (roughly 2.5", usually) and adhere it to the platform.

https://smile.amazon.com/gp/aw/d/B09BJ1637J?psc=1&ref=ppx_pop_mob_b_asin_title

With practice, you can use thin double-sided tape to adhere zona paper to it and sand that way. Once you get the hang of it, it might even be faster.