Cutting fluids can be used with twist drills, but are generally not needed for thinner gauge sheet metal. You may want to have a bottle on hand for when drilling through thicker sheets or steel.

With a combination of these manipulations, you can create anything from flat sheet, and you can do it by hand. To get a primer on basic metal shaping, we headed over to Walden Speed in Pomona ...

put a piece of sheet metal between them, and then smash them together with a hydraulic press. If everything works correctly, and your CAD skills hold true, the metal will take the desired shape.

Edges are shaped and flattened by cross filing ... be preferable to use these methods), for example: Sheet metal guillotine Nibbler Hand-held grinder/cutting wheel Abrasive wheel Discuss the ...