npub1kr2wcjrdd7jlczu58rh3htw7u8xzmxns2vgja83mwulzhwrkaylsqs3ggc (npub1kr2…3ggc) I made something very similar. It works pretty well - added a bit of cushioning from an old yoga mat and a piece of leather.
It depends on your seating I guess - like, how or if your elbows rest on something