The gentleman who built all of this is named Adam J. Fyall. Click on the link and go to his site. He has a lot of amazing tips and ideas, plus step by step instructions. Materials : 3 standard "cattle panels". 2 rolls of 10'x50' clear plastic. User a heavier grade. I used 6 mil. 1 16-foot 2'x'4, 3 8-foot 2'x2's, 1 8-foot 1'x2'. A package (100) of 8-inch zip-ties. 2 rolls of clear duct tape. 1 roll of standard electrical tape. 2 simple door hinges, and a simple handle and latch. 4 2-foot…