Came out of my LEGO Dark Ages in 2016. Trying to catch up with the rest of the world when it comes to designing a MOC. Currently downloading small MOCs and dissecting the Instructions.
To speed up my learning process, I make a lot of what I call "Rat Rods" - all the correct shapes (or reasonable substitutes) and don't worry about the colors for now.
I attend a weekly LEGO gathering in my community. Usually working with Grandchildren, Great Grandchildren, Grandparents, or Great Grandparents. Therefore, when I make Instructions in LDD my #1 priority is to keep the build flat on the table for as long as possible so they don't have to fight that "Gravity Guy". I also like to have the 3D view capability that LDD allows.
Takes a lot of time to build LDD instructions, but to me it's worth it because of all the extra learning I do when I try to make the file.
I am "VERY" grateful for all the great MOCs created by the designers I am following.