"Notes on letter E: (1) Shades help make a letter look balanced. Notice that the rightmost E has a heavier shade on the bottom curve. Avoid that. Thickness of shades in a letter form must be consistent.
"Hi, @kaighrei! Here are the miniscule "r" variations that I know of: 1⃣ Shade is on the right of the hairline 2⃣ Shade is on the left of the hairline (done with a loop) 3⃣ and 4⃣ are similar, with a dot above the header 5⃣ this variation was something I found from Giovanni Tonso's "Modelli di Calligraphia," first published in the late 19th century.
"Reposting my notes for majuscule G. Notes on majuscule G: 1⃣ I had trouble with the lead-in stroke before I realized it should follow the oval shape as well. Still working on it 2⃣ I try to make the tip of the compound curve align with shade of curved stroke 3⃣ the oval part of G can either touch or cross the header line.