Hi,
this is my firs attempt in bookbinding.
I made a bookbinding following all the instructions. I used a different paper size. I failed the first time because the thread was too short: I disassembled it and started again.
It worked for me the second time, except for a mistake in the middle of the process, An it is clear I need to try better with the size of the folders. Anyway, I am very happy.
I used bond paper 115 grams,  11 folds 10 pages per fold for a total of 110 pages, linen waxed thread 0.55mm. Cardboard cover cover is 1/2 cm larger that paper at all the sides and decorated with astronomical images from an old calendar.
I am sure I will do better next time. Thank you! I learned a lot!