I'm learning to make sketches as notes similar to this. This one was done with Procreate app.
- tldraw - Tiny little drawing app. (Code) (HN)
- Irina Shestak's sketches
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- Ask HN: Anyone here have good material for learning how to sketch from scratch (2022)
- CCCCUE: Generating C4 diagrams with CUE - Unladen swallow (2022)