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Bends, flats and test coupons

Purpose-Built

Sheet-metal fabrication workbench for bend allowance/deduction, K-factor, setbacks, flat patterns, tonnage screening, springback notes, and material-specific test coupons.

Core Features

Bend allowance and deduction
K-factor sensitivity
Flat-length and tonnage screens
Coupon-photo library

Private by Design

No account, subscription, ads, tracking, third-party analytics, or developer-operated backend. Core features work offline, and your work stays on device unless you deliberately share or export it.

Use It Responsibly

Fabrication calculations are starting estimates. Confirm material lot properties, tooling, bend direction, machine limits, prototypes, and shop safety procedures.