Thats what it looks like cut from the pattern in the book.
Welcome to the cheap seats......
Only thing to be aware of is position of the seat belt mountings and the holes through the seat for the belts and sharp edges.
If I go down the route of making a seat it will be ally but possibly thinish steel say 16g.
Cost : Little as possible.
Thanks : To those who by their generosity my build has progressed.
Its a handmade sports car not a flaming kit car !!!
If at first you dont succeed,avoid skydiving...
No parachute require to freefall,only if you want to do it twice.