Yes, Marty’s just done me a special seat. He lowered a seat I bought off ebay, fitted an Airhawk air cushion, put a thin layer of memory foam over that then topped it off with good soft vinyl. Fits nicely, feel comfy and the work cost just £30. It did take a while to do because he went in hospital, then took a while to recover, but I was in no rush and the jobs done fine (but not tested yet)