This one requires 3 sheets of 19/32" sheathing, 1 - 8' 2x6, 2 - 10' 2x4s, and 4 8' 2x2s. I'll also be sheeting the bottom with some luan to reduce the hiding cavities for spiders (damn things are taking over my shop). I'll have less than $75 in it not including casters. I'll be glad to share...