For the cuts, I usually cut oversized with either a scissors or by using multiple cuts with an Xacto and sand down the edges with an emory board using progressively smaller grain so they end up polished. I have a difficult time bending the thicker stuff but on the thinner stuff, I bend it over the edge of my metal ruler for a precise and crisp bend. That green stuff on the one side of the thicker material is a real bear to remove. i use various attachments on my Dremel like the one for stripping paint. In most applications, rarely do both sides of the aluminum show, so that helps. I hope this helps.