Effective Date: Aug 4, 2026
App Name: Unbend — listed on the App Store as “Unbend Flat Pattern Calculator”
Owner / Developer: LoopLab
By downloading, installing, or using Unbend, you agree to these Terms of Service. If you do not agree, please do not use the App.
Unbend is a sheet metal calculator. It computes bend allowance, bend deduction, and flat blank length for bent parts, and develops flat patterns for cones, cylinders, and segmented elbows. It presents the result as a drawing, an ordinate table, and exports: DXF, 1:1 and tiled PDF templates, ordinate CSV, and a shareable image. All calculations run on your device.
You must be at least 13 years old (or older as required by local law) to use the App. By using it, you confirm that you meet this requirement.
All source code, designs, and branding within Unbend are owned by LoopLab. You may not copy, modify, or distribute any part of the App without written permission. Files you export remain yours.
The App computes bends and flat patterns from published formulas and a standard K-factor chart. Real results depend on your material batch, your tooling, and your forming method, so the App cannot guarantee that a calculated blank fits every press brake. Treat the output as a starting point, confirm it with a test bend, and adjust the K-factor table to your own shop when it differs. You assume full responsibility for verifying every pattern and measurement before use.
We are not liable for any damages, including scrapped or wasted material, machine damage, lost production time, financial loss, or injuries resulting from use of the App or its output.
The App is provided "as is" without any warranties, express or implied. We do not guarantee uninterrupted service or error-free operation.
We may suspend or terminate your access to the App at any time if you violate these Terms.
We may update these Terms periodically. Continued use of the App after any change signifies your acceptance.
For questions, please contact us at [email protected].