His still looks legit. ZERO temperature control. It boils at atmospheric. Yeah, he can turn the burner up or down, but that does NOT change the temperature of the boil. Understanding that is mission critical to understanding distillation.
If you’d like an honest evaluation of what you built you’ll need to show us what you built.
DiY solvent recovery is a huge thing here, if you learn it well it will help inform you cannabinoid distillation technique.
See:Distillation on the budget / silly idea / some questions
Edit: 10.8.1 Introduction to Short Path Distillation, by Erich Berkovitz - GrayWolf's Lair (cannabinoid distillation intro)
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