What is the proper way to measure the torso length for a full form fitting body suit?
I was going to have the person sit in a hard chair and measure up the from the chair seat to the nape of the neck.
Also is there a rule of thumb for how long to cut the pattern after applying the torso measurement? I know it needs to be smaller than the torso measurement, to make it form fitting, and it depends on the amount of stretch in the fabric, such as 4 way stretch, 50% stretch, etc.
In other words if the torso length is 32"(a man) and the lycra is 4 way stretch, and 12" of fabric stretches to 18", what length should I cut the body piece? The man is average weight and proportioned(no big tummy, or derriere). Hope this makes sense!