How is this for a back loaded horn speaker body? I'm new to this and need a project for a college course. Take from http://projectgallery.parts-express.com/speaker-projects/back-loaded-horn-design/ : r/diysound
Art Alternatives Artist Tote Boards - 23"x26" - Two Low Profile Clips (Steve Carpenter's Choice)
Pen+Gear White Foam Board, 20" x 30" - Walmart.com