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Perforated Plate Hatches

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Following a suggestion in another thread, I thought to work out and calculate some hatches which simulated perforated plates with a certain percentage open.

I calculated on a unit sided hexagon for the pattern repeat, and the holes are 12 sided polygons (dodecagon) to suit, and made a spreadsheet, so that any percentage open can be easily calculated. The process is not automatic so I will not be posting the spreadsheet, but am posting three pattern files.



Perforated Plate Hatches.PNG

PerfP60.pat PerfP20.pat PerfP40.pat

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Nice idea can use ssget with "F" option to erase the exploded semi-circles on the edges. Which I think was one of the requests.

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