For this the 7th pattern, please note my declining positivity & chirpiness through the video! My head wasn’t handling this fave so well! I follow

#16 3 x 3 square tiling :    • #16  3 x 3 square tiling  How to dr...  
#27 Bayt Al Kritliyya, Cairo :    • #27 Bayt Al Kritliyya, Cairo Egypt  ...  
From    / samiramian  

I used pencil then Derwent Inktense Ink Pencils with a light wash of water then I reoutlined with a thicker black oen it to try to neaten it up further!
I recommend and review some of the products I use on: https://www.samiramian.uk/equipment
If you want your very own square geometry notebook,
Pre order yours from https://www.samiramian.uk/merch