Posted by Daryl in Oz [162.158.1.114] on Friday, May 27, 2016 at 18:21:03 :
In Reply to: Anyone build their own bottom SEAT? posted by sssss [108.162.221.141] on Friday, May 27, 2016 at 14:40:10 :
Do some research on set building on google. Most are constructed similar to what you say, but use combinations of different foam to prevent sagging.