Homemade turntable rotates on a 6 inch diameter lazy Susan ball bearing unit and driven by a used clothes dryer drum belt.
This is double repurposing and been in use for 40 years. Details on how I built it on post 9 in below OGR link and it cost only $10.
https://ogrforum.ogaugerr.com/...ra-027-layout?page=1
Disk crank with red knob drives turntable with used cloths dryer belt.
Charlie