I haven't had to do it since I went to school, and that was 7-8 years ago. I would say that using a technical drawing is going to be your best bet, and be careful with the spring!
Yes, I did that once, 28 years ago ;-)
I should've done it this time, but I decided to leave it and now I regret.
Yes, I did that once, 28 years ago ;-)
I should've done it this time, but I decided to leave it and now I regret.