Box Flat Pattern

Calculate the 2D flat pattern dimensions required to fold a 5-sided sheet metal box (or tray) with 90° bends.

Finished Outside Dimensions (OD)
Material & Bending Parameters
Flat Pattern Dimensions
Total Flat Length (X)

0.00

in
Total Flat Width (Y)

0.00

in
Bend Deduction

0.00

in
Bend Allowance

0.00

in
Enter dimensions to preview
Layout Breakdown

The red dashed lines indicate the centerline of the bend. Program your press brake backgauge to these lines. The square cutouts in the corners represent standard bend reliefs necessary to fold adjacent flanges without colliding.

Finished Dimensions

This 3D view represents the final folded box. The inputs you provided correspond to the Outside Dimensions (OD) of this assembly.