Design guide
Sheet metal design guide
Bend radii, relief cuts, hole-to-bend distances, and the flat-pattern math behind them. Written for parts that come back right the first time.
What is in it
- Bend radii and relief cuts, at the minimums a press brake will actually hold
- Hole-to-bend and feature-to-bend distances, so nothing distorts on the way through
- The flat-pattern math: bend allowance, bend deduction, and the K-factor underneath both
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The whole guide is in the PDF. We are laying these out to read properly in the browser, the way the reference charts already do; until that lands, the file is the guide.
