I finished my first Dyneema Pro 3mm string following exactly the instructions, but the string is 1 cm shorter. I'm really reluctant in trying it in my crossbow, but, I must say it seems and feels really good.
Some testing is clearly required, but I'm thinking of getting it closer to the final dimensions before ever "thinking" of trying it.
Again I'm aware of the risks but I have to try it. I have to try it... 🤣
Time required: 5 minutes.