Square to Round Developer
Sheet metal developing tool for square/rectangles to rounds
App info
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App description
Android App Analysis and Review: Square to Round Developer, Developed by Gellis apps. Listed in Tools Category. Current Version Is v6q, Updated On 21/10/2025 . According to users reviews on Google Play: Square to Round Developer. Achieved Over 6 thousand Installs. Square to Round Developer Currently Has 11 Reviews, Average Rating 4.1 Stars
As a fabricator of 40+ years, the last 30 or so as the workshop manager, I have constantly used trigonometry etc. to calculate cones, segmental bends and much more. Nowadays I am constantly asked by the fabricators to calculate developed lengths etc. to save them the time and effort of laying it out. I have developed this app so that they can do it for themselves and therefore save “MY TIME”.With this app you can quickly and easily develop patterns for square to rounds, rectangle to rounds, rounds to squares and round to rectangles. Simply choose the type of square to round you wish to develop, enter the required outside dimensions and material thickness then press develop. The developed pattern can then be marked onto the plate ready for cutting and shaping. Instructions on how to mark out completely by hand and how to mark developed pattern onto plate are included.
I hope that from your feedback/comments I will be able to add extra relevant features and amendments in future editions.
We are currently offering last version updated 21/10/2025 . This is our latest, most optimized version. It is suitable for many different devices. Free download directly apk from the Google Play Store or other versions we're hosting. Moreover you can download without registration and no login required.
We have more than 2000+ available devices for Samsung, Xiaomi, Huawei, Oppo, Vivo, Motorola, LG, Google, OnePlus, Sony, Tablet ... with so many options, it’s easy for you to choose games or software that fit your device.
It can come in handy if there are any country restrictions or any restrictions from the side of your device on the Google App Store.

Recent Comments
A Google user
Great app, like someone else mentioned would like a print feature.
Daftget Watt
Still the best app for square to round development
Chandrakant Joshi.
Very good app
Alex Ander
Amazing super
A Google user
It is amazing.. it saves alot of time . No confusion clear results.. i really love this app.
A Google user
Would give 5 stars if it had offset option,
A Google user
It's good, if the round portion can be offset it was the best
A Google user
I think it is superb, my only suggestions for future versions would be a print facility and a calculated volume of the hopper.