Originally Posted by Just Jeff
I tried adding a second layer to my first version, so it was basically two layers of 1.1 with the undercover sewn to the layer I wasn't laying on. I got gaps between the layers along the sides of my legs. I didn't bother trouble-shooting it since I was already planning to make v2.
It seems to me that with my lack of precision sewing skills, it would be hard to get both layers of fabric to lay so that each layer was taking some load. Maybe a temporary glue (starch?) to hold them together during fabrication?