[contents] Create Fcd Pipe Fittings
[Operating environment] Environment in which FreeCAD operates
[install] Click on the green "Code" → "Download ZIP" button in the upper right corner After unzipping the "FcdPipeFittings-main.zip",Place it in the "Mod" folder in your application folder.
[Uninstall] Delete the "FcdPipeFittings-main" folder.
[cutting Tube spin button] Straight tube length
[step] Spin button ticks
[Create] Create obj
[upDate] Update obj
[import Data] Importing obj Properties
[mass] Mass Calculation