How to fold sheet metal one by one twice.

Hi, everyday i'm working with Sheet Metal, maybe this instruction may help you.
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Step 1:
make a sketch on Front Plane
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Step 2:
Make rail sketch on Right Plane
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Step 3:
select from Insert> Sheet Metal> Swept Flange. Swept Flange features only available in version 2012 onward.
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Step 4:
To setup Swept Flange bending input, please follow below instruction. Please take note that different type on bending option (Bend Deduction, K-Factor, Band Table, Bend Allowance) will result with different unfold size, for this bending, i recommend to use K-Facktor
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Step 5:
Done- If you want to view the unfold, follow below instruction. Happy Day