How do you shape Polished Diamond Plate Aluminum?
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To cut it, I would suggest using a jigsaw with a plywood blade (between 8 & 15 teeth per inch). When you cut it make sure to take safety precautions. Wear a face shield and a dust mask. (Aluminum dust is toxic to inhale.)
Once you cut the aluminum to your desire size, debur the cuts with a file or a deburring tool. Make sure to do this or you'll leave a sharp edge on your cut.
If you need to bend the metal, then you should be able to bend it without any machinery. (Aluminum is a fairly soft metal.) While bending, remember to secure the piece to a workbench with the bend line flush with the edge of the table, using clamps and a rigid straightedge (2x4 could work, or a pice of angle iron). Also make sure to apply even pressure across the piece. If you don't do both of these things, then you bend may be off. If you intend to hand bend aluminum over 45 degrees, then make sure to heat it or else it will crack along the bend.
In order to preserve the polished finish, put masking tape along the cut and bend lines, and cut it from the opposite side so the saw marks will be on the back.
Are you asking how it is made? It is stamped in a large press.
If you need to cut some, use a hacksaw, jigsaw, reciprocating saw, skill saw (with an old plywood blade, and SAFETY GLASSES), angle grinder, oxy-torch kit, or even a nail file.
By far the easiest way would be to use a Bandsaw.
depending on the thickness you could use a nibbler they rent them at a tool rental place (not home depot though)
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