Also on the drawing board is a 3D-printable razor guide to easily and SAFELY perform all the cuts needed. A guide insert to guide the blade dead-center of the coroplast "tubules" and maybe a lower piece to cover the exposed blade. This way you can insert the guide in right tubule and make a perfect slice in seconds. Thinking of devising a "guide comb" to help identify the tubule positions to begin cutting, and a guide to assist in slicing the huge 4x8 ft panels down to 16" strips. One must pay attention to the orientation of the tubules when cutting....