I love making knit tees - the beautiful ones that run $50 plus in ready-to-wear. I have found that I can redesign the neckline shape easiest with wax paper.
1. Cut a piece of wax paper shoulder width
2. Draw a line down the center with a sharpie marker- this is
your center front line. The edges perpendicular to this line
on top will be your shoulder seams.
3. Fold the paper in half down the line and cut a wedge out
to create room for your neck. Start cutting on the edges that will be your shoulder seams and cut to the center line about 4 inches down. (sorry about it not being demonstrated. You are going to place the sheet of paper
on your chest with the line being the center front.
The top edges of the paper will be your shoulder seams
that will need a bit of shaping. The cut out is to make room for your neck.
4. Once the wax paper is in place (it does stick to you if you
are a little clammy - wear only a bra). then you can mark
off a neckline. Do this in front of a mirror.
5. Get creative with your necklines and try different shapes.
6. Transfer shape to your teeshirt pattern and remember
to add for seam allowance.
I hope this works for you. I have been trying to develop a way
to simplify this and after trying patternmaking paper, newspaper and fabric, I have found that wax paper is the easiest to work with. It is light and it sticks to you somewhat,
you can see through it best of all. You can really go all out
and mark off your shoulder seam and armseye for a perfect