I use a Calidaka lab scissor platform I got off Amazon for $9 and nothing else. I do have a Apexel for micro with my phone and got it too off Amazon for $37. I think you can search Amazon for these two items, I don't know how to link....... oh wait: maybe these will work:
https://www.amazon.com/gp/aw/d/B07TPLKT7D/?
https://www.amazon.com/CALIDAKA-Scissors-Stainless-Laboratory-Experiment/dp/B08KT15DT8?
No, the phone camera lens hangs off the platform just the right amount for 1.5" discs. A black cloth under all on the table.Re: The Calidaka lab scissor platform, do you place a cloth or coloured paper over it?