Flat Pattern & Bend Calculator

Flat Pattern Layout Calculator – your ultimate tool for precision fabrication.

Quickly and accurately calculate flat pattern dimensions for a wide range of fabricated components.

From simple bends to complex transitions, this app helps fabricators, welders, and engineers generate precise flat layouts for elbows, lobsterback bends, frustum cones, truncated pipes, and more. Advanced triangulation methods make it easy to handle screw flights, angled pipe cuts, pyramids, and other complex shapes.

Key Features:

• Flat pattern calculations for bends, elbows, tees, cones, and pipe intersections
• Supports advanced shapes: truncated cones, pyramids, screw flights
• Transition layouts: round-to-square, square-to-round, rectangle-to-round
• Fast, reliable, and accurate results for metal fabrication workflows

Ideal For:

• Pressure vessel and tank fabrication
• Piping, ducting, welding, and insulation
• Industrial, structural, and mechanical fabrication
• Process equipment design and layout work

Note: All designs, calculations, and layouts are originally created by our team to ensure you receive fully unique and copyright-safe solutions.


Information about the auto-renewable nature of the subscription. Confirm subscription: Payment will be charged to iTunes Account at confirmation of purchase. Manage subscriptions: Users can manage or unsubscribe in iTunes & App Store account management in the phone system settings. Auto-renewal: Apple iTunes account will be charged for renewal within 24-hours prior to the end of the current subscription period. To cancel the renewal, please turn off auto-renew manually at least 24-hours before the end of the period. No cancellation of the current subscription is allowed during the active subscription period. You can go to the Account Settings to cancel the renewal before the trial ends. The current free trial will be forfeited when you purchase a subscription to the premium version before the trial period ends.

By using the app, you confirm that you acknowledge and accept our Privacy Policy and Terms of Service:

Privacy Policy: https://sites.google.com/view/privacy-policy1331/privacy Terms of Service: https://sites.google.com/view/privacy-policy1331/terms