Download the lesson file used in this video here https://mail.sourcecad.com/AutoCAD-pipe-dynamic-block
In this video, I will show you the step-by-step method of making a pipe diagram using only one dynamic block of AutoCAD.
I will also show you the method of making this block using groups rather than using separate smaller blocks.
Check the AutoCAD dynamic block course here https://sourcecad.com/courses/autocad-dynamic-blocks/