Subassembly created by polyline due to some typical section created in autocad according to design that's why we create subassembly from polyline. First create subassembly give name and codes then add to subassembly
@@CivilSurvey yes i made subbasembly by polyline because i need to make some uditch with gravel hatch inside because while i made from autofesk subbasembly composer i can't gave hatch likes i need for example gravel hatch.
@@CivilSurvey then, i follow your video after finish follow every step from make polyline gave code move origin and shape and after that i try input to assembly like yours video and make a corridor, my subbasembly didn't show.
This file is very old video tutorial file now this file where I don't remember. Send your file I will make assembly for You if possible contact email civilengineeringsurveychannel@gmail.com