Unfolded drawings of rectangular hollow sections and circular hollow sections can be obtained. To obtain these drawings perform the following steps:
2. Open the table that contains the profile you want to unfold in a drawing and change the value in the "Reserved" column to 2. This modification will enable (un-gray) the "Unwind profile" option in the section's "Advance Properties" dialog box.
Example: "RHS rectangular cold 90x50x2.5".