# Flat Pattern Bend Calculator — Sheet Metal Cone Calc

> Sheet metal flat pattern layout calculator for complex shapes and transitions. (iPhone/iPad app by Bhavinkumar Satashiya.)

- Source: https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922 (this page in markdown: same URL + `.md`)
- Developer: [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Rating: 4.60/5 from 151 App Store ratings · 29 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 80 MB
- Languages: American English, Arabic, Croatian, Czech, Dutch, Finnish, French (France), German (Germany), Greek, Hebrew and 15 more
- Released: 2018-03-21
- Data updated: 2026-08-28
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922/reviews.md

## What is Flat Pattern Bend Calculator?

Unlock the power of advanced sheet metal calculations right at your fingertips. 

Flat Pattern Bend Calculator is a comprehensive tool designed for engineers, fabricators, and designers who need quick and accurate flat pattern layouts for a variety of complex shapes and transitions. This app simplifies complex metal sheet calculations, enabling users to accurately calculate flat pattern bends for various shapes and structures

► Key Features:
Cone Calculations: Easily generate flat patterns for conical shapes.
Frustum Eccentric (Parallel & Angle): Compute flat patterns for both parallel and angled eccentric frustums with precision.
Truncated Cylinder: Obtain accurate layouts for truncated cylindrical shapes.
Bend Allowance Calculations: Calculate bend allowances and deductions for various angles to ensure perfect bends every time.

► Transition Pieces:
Rectangle to Circle: Seamlessly transition between rectangular and circular shapes.
Rectangle to Circle Eccentric: Handle off-center transitions with ease.
Circle to Rectangle: Convert circular shapes to rectangular patterns effortlessly.
Rectangle to Rectangle: Calculate flat patterns for rectangular transitions.

Complex Shapes:
Pants & Pants Eccentric: Design complex bifurcated ducts and fittings.
Breeches: Create layouts for Y-shaped connections.
Tees: Generate patterns for T-shaped junctions.
Pyramid: Calculate flat patterns for pyramid-shaped objects.
Auger: Design helical screw patterns with precision.
Sphere: Compute flat layouts for spherical shapes.
Flange: Generate accurate flange patterns for pipe fittings.

Why Choose Our App?
• Efficiency: Reduce manual calculations and save valuable time on your projects.
• Accuracy: Minimize errors with precise computations tailored to your specific needs.
• User-Friendly Interface: Intuitive design makes complex calculations accessible to everyone.
• Versatility: Ideal for HVAC ductwork, industrial piping, metal roofing, and custom fabrication projects.
• Instant Results: Get immediate calculations to accelerate your workflow.

Who Can Benefit?
• Sheet Metal Fabricators
• Mechanical Engineers
• HVAC Professionals
• Metalworkers and Welders
• Industrial Designers
• Students and Educators in Engineering Fields

Take Your Fabrication Projects to the Next Level!

Say goodbye to cumbersome manual calculations and hello to streamlined efficiency. Download the Sheet Metal Flat Pattern Calculator now and experience the future of metal fabrication.

Download Today and Start Shaping Your Success!


Privacy Policy : https://forms.gle/dnBUgnpqw4AREio97
Terms of Use : https://forms.gle/2uy2JqJa2JjkTZpo8

## Key features

- Cone calculations
- Frustum calculations
- Truncated cylinder layouts
- Bend allowance calculations
- Transition piece generation
- Complex shape patterns

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Yearly Access | $39.99 | per year |
| Offer : Yearly Access | $29.99 | per year |
| MONTHLY UNLOCK | $6.99 | per month |
| YEARLY UNLOCK | $39.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| LIFETIME UNLOCK | $69.99 | one-time |


## Recent user reviews (10 of 29)

All indexed reviews: https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922/reviews.md

### 5/5 — Awesome

*2026-06-29*

Fantastic app for flat patterns design. This helps to reduce my work load.

### 1/5 — Don’t know can’t get passed adds to see if it works

*2026-06-05*

Can’t try it out before buying it won’t let you only get bombarded with adds should be able to see if it’s worth buying before you have to buy

### 3/5 — Giá cả

*2025-10-22, version 2.6*

Quá hay. Rất có ích cho sinh viên và dân cơ khí. Mở khoá toàn bộ giá quá cao

### 1/5 — To expensive

*2025-10-21*

The ask for a huge amount of money to unlock premium and without that u can do nothing on this app

### 5/5 — Perfecto

*2025-01-30, version 2.5*

Perfecto

### 5/5 — Chyvorn Phat

*2024-11-29*

This is very important for people do cladding job

### 1/5 — Ống gió

*2024-11-04, version 2.5*

Rất tệ

### 5/5 — Bạn và tôi

*2024-07-14, version 2.3*

Ẩn quảng quá nhìu,

### 5/5 — Awesome

*2024-06-12*

Very accurate and useful handy tool.

### 5/5 — Good

*2024-05-19, version 2.3*

Good

## Frequently asked questions about Flat Pattern Bend Calculator

### What does the Flat Pattern Bend Calculator app do?

This app is a comprehensive tool designed to generate accurate flat pattern layouts for a wide variety of complex sheet metal shapes and transitions. It simplifies intricate calculations, enabling users to precisely compute flat patterns for conical shapes, frustums, truncated cylinders, and various transition pieces like rectangles to circles.

### What are the key features of this app?

Key features include precise calculations for conical shapes, eccentric frustums, and truncated cylinders. It also offers bend allowance calculations, and the ability to generate transition pieces such as rectangle-to-circle, circle-to-rectangle, and rectangle-to-rectangle. Additionally, it supports complex shapes like pants, breeches, tees, pyramids, augers, spheres, and flanges.

### Is this app free to use?

The app is available for free download and use, but it offers in-app purchases. This means that while the core functionality is accessible without cost, certain advanced features or additional content may require a purchase.

### Who can benefit from using the Flat Pattern Bend Calculator?

This app is ideal for sheet metal fabricators, mechanical engineers, HVAC professionals, metalworkers, welders, industrial designers, and students and educators in engineering fields. Anyone involved in projects requiring precise sheet metal layouts will find this tool beneficial for efficiency and accuracy.

### What kind of projects is this app useful for?

The app is versatile and ideal for a range of projects including HVAC ductwork, industrial piping, metal roofing, and custom fabrication projects. Its ability to handle complex shapes and transitions makes it a valuable asset for detailed and specialized metalworking tasks.

## Version history (last 5 releases)

### 3.5 — 2026-07-31

• Updated UI for a more intuitive experience

• Improved spacing and alignment

• Faster and smoother performance

### 3.4 — 2026-07-02

• Brand new UI with improved visual design

• Better readability and layout improvements
• Minor bug fixes

### 3.3 — 2026-06-20

Improved app performance and stability
Fixed minor bugs and crashes
UI/UX improvements for a smoother experience

### 3.2 — 2026-04-25

Bug Fixes: We’ve tackled some annoying bugs to make sure your app experience is smoother and more stable.

### 3.1 — 2026-04-16

Fixed DXF export drawing issues
• Improved accuracy of flat pattern drawings
• Enhanced compatibility with more CAD software
• Minor bug fixes and performance improvements

## Apps similar to Flat Pattern Bend Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [Pipe Trades Pro Calc](https://appshunter.io/ios/app/pipe-trades-pro-calc/id596142100) | 4.8 (4,243) | Free | Utilities |
| [El Tubero 2.0](https://appshunter.io/ios/app/el-tubero-20/id1520427393) | 1.0 (1) | $3.99 | Utilities |
| [HVAC & Sheet Metal Calculator](https://appshunter.io/ios/app/hvac-and-sheet-metal-calculator/id1554333784) | 4.9 (75) | Free | Utilities |
| [Flat Pattern & Bend Calculator](https://appshunter.io/ios/app/flat-pattern-and-bend-calculator/id6747935750) | 5.0 (2) | Free | Utilities |
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## More apps by Bhavinkumar Satashiya

- [Sheet Bending Calculators](https://appshunter.io/ios/app/sheet-bending-calculators/id1361950390)
- [Welding Calculator for Metal](https://appshunter.io/ios/app/welding-calculator-for-metal/id1366542753)
- [Ruler with Caliper, Protractor](https://appshunter.io/ios/app/ruler-with-caliper-protractor/id1368462815)
- [Cable Lugs & Connectors](https://appshunter.io/ios/app/cable-lugs-and-connectors/id1370274265)
- [Gold Exchange Rate](https://appshunter.io/ios/app/gold-exchange-rate/id1372446098)

All apps by Bhavinkumar Satashiya: https://appshunter.io/developer/1361485921

## Related topics

[bending sheet metal](https://appshunter.io/ios/topics/bending-sheet-metal) · [flat metal patterns](https://appshunter.io/ios/topics/flat-metal-patterns) · [sheet metal](https://appshunter.io/ios/topics/sheet-metal) · [sheet metal calculator pro](https://appshunter.io/ios/topics/sheet-metal-calculator-pro) · [duct](https://appshunter.io/ios/topics/duct) · [easy offset](https://appshunter.io/ios/topics/easy-offset) · [frustum](https://appshunter.io/ios/topics/frustum) · [sheet metal calculator](https://appshunter.io/ios/topics/sheet-metal-calculator) · [fabrication calculator](https://appshunter.io/ios/topics/fabrication-calculator)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*