Here's a direct link to his build instructions [1] and I've made a temporary by-item BOM [2] while he improves things.
PETG is great, ASA and ABS might be better if you have the capacity.
[1] https://la3emedim.fr/assets/SMALLEST%20-%20README.pdf [2] https://docs.google.com/spreadsheets/d/1XXZB4jRtvtlDIqlR69C0FRri8x8lZDpxO6ZGnSp3L2Y/view
That said, I would give PETG-CF a try. I've made parts with that and it's certainly been good, and is definitely better than PETG.
Here's a direct link to his build instructions [1] and I've made a temporary by-item BOM [2] while he improves things.
PETG is great, ASA and ABS might be better if you have the capacity.