In ProtaSteel, a cutting object can be created easily on a steel profile using "2D Fitting Macro". Placing the mouse cursor over the 2D Fitting Macrounder "Detailing" section in Macro Gallery will reveal the tooltip which describing the scope and steps of this macro.
How to use:
Select 2D Fitting Macro
Select a profile.
Select 1st point on the profile to indicate the direction of creating the cutting object.
Select 2nd and 3rd points to create the cutting plane. (refer to the figures below)
The created cutting objects can be used for creating a manual macro.
Please watch the below video for steps to insert "2D Fitting Macro"
Create the most appropriate View first before creating the connection. The same view & orientation will be used to produce the drawings. Click this topic for more details:Creating Views
PressF9on the joint to set the point of interest. The view will then rotate about the point of interest