OK you are wowing us with your drawings What are you using...
I was a pretty good AUTOCAD LITE guy but had to give that up when I retired from work... We used alot of ADOBE PRO drawings as well where you can update and modify almost any drawing.
I have moved everything now over to the new WIN10 platform and lost my FREE TO USE drawing packages... Just curious what you are using...
I like to mix pictorials block drawings with schematic flow... Things like this and then save them in PDF format so I can show them to anyone...
Roy Ken