@ilikebread I'm sorry I didn't see this sooner! Honestly, I just wing it! I usually just cut them about 110cm and don't worry about any extra leftover. ๐คช
@lLikeBread I wrote a tutorial on calculating string length that you can check out, if you want.
According to it the following lengths are needed: Strings 1 and 8 (colour a): 88,7cm Strings 2, 3, 6 and 7 (colours b and c): 95cm Strings 4 and 5 (clours b and c): 76,25cm