Redrawing some old WBS metal for a project

I’m redrawing some WBS metal and I go to draw in the lower grooves and realize… this is first Gen extrusion… not 2nd Gen

Back to square one

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I found some second Gen metal, I never noticed the curve on the older stuff.

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While I was downstairs I found the mating piece for the second Gen

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And another piece used in the meter bridge

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