Perforated Metal

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Creating 3D Perforated Pattern Project Before Manufacturing


It is a recommended, based on my last perforated project, that all perforated pattern designs are visualized into 3D design by using a third party 3D CAD software before they are manufactured.

Hole Shape


The most common perforated sheet metal hole is the round shape. This is simply because the hole is the easiest punching tool to manufacture, reducing the cost for both the punch and the die. According to the Wilson standard tool booklet (, the standard tool shapes can be seen on the illustration below:



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