Pan and box flat-pattern planner
Estimate flat blanks for sheet-metal pans, trays, and shallow boxes
Plan formed trays, covers, drip pans, and enclosure bases from finished dimensions, flange height, material, bend radius, and K-factor. Use the output for RFQ prep before FortiFab finalizes tooling and flat patterns.
Pan inputs
Common for trays, covers, catch pans, enclosure bases, and formed box parts.
Flat blank
27.8 × 21.8 in
Bend deduction
0.115 in
Sheet area each
4.20 ft²
Weight each
10.29 lb
Flat-pattern notes
Planning blank for four-sided pan / shallow box: 27.771 in × 21.771 in, 4 bend(s), 0.125 in bend allowance per 90° bend. Estimated total weight for 10 part(s): 102.88 lb.
Corner relief matters
Four-sided pans usually need corner relief, weld details, or tab strategy. Include whether corners are open, welded, notched, or sealed.
Finished dimensions
Tell FortiFab whether length/width are inside, outside, or critical fit dimensions. That affects bend deduction and tolerance review.
Planning output only. FortiFab confirms final material, tooling, bend deductions, hardware, tolerances, finishes, and manufacturability during quote review.
Need pans, trays, or covers formed?
Send finished dimensions, material, thickness, bend notes, corner relief, finish, and quantity for FortiFab review.
Sheet-metal pan and box FAQs
Flat patterns for formed trays and boxes need shop-specific review before release.