Learn the easiest way to calculate the dimensions of making an iron door frame

[@AliMohamed-mq8bb]

لعز

[@Emoroi345]

Please explain properly the formula👍

[@taweechaikogaphai7819]

👍👍👍👍🇹🇭

[@Emoroi345]

What is the size of the door square pipe??

[@The_Art_of_Welding]

40/50

[@The_Art_of_Welding]

40/50