The X-29 is made out of laminated dollar tree foam. By laminated I mean taking the paper off both sides of two sheets of dollar tree foam board and the laminating the two sheets togeether for a lighter and thicker piece of foam (approximately 7 to 8mm)
https://www.youtube.com/watch?v=SgzSYWYD2RE
https://www.youtube.com/watch?v=SgzSYWYD2RE
