>>7034654>>7034695Dremel is an overkill for plastic imo, that said there are cases you might want to sand or polish something with a rotary tool vs a file or sanding stick.
In my current project I needed to build up a channel inside a part and to remove excess putty from the inside I used
https://www.aliexpress.com/item/2016-new-hot-sale-16cm-Nail-Drill-Art-File-Electric-Manicure-Buffing-Toenail-Drill-Tool-Pen/32795100182.htmlIt is battery powered and compared to a Dremel it is weak as fuck but for gently sanding plastic or putty with diamond or ceramic bits it is perfect.