Concrete reasoning involves the ability to analyze information and solve problems on a literal (concrete) level. We use concrete reasoning when we think through and solve hands-on problems. Concrete reasoning tasks involve skills such as: Basic knowledge of names of objects, places, and people.
I have been using a standard 8 wide by 10 height format, and try to fit my fonts and graphics into that area, thats on large and xl shirts, you can inch upward or backward from there. don't be afraid to experiment.
Step 1: Make reference marks. Turn the t-shirt inside out and lay it flat, front side up. Lay the tank on top of the shirt and make marks with the pen showing the neck line depth and strap thickness for reference. Remove the tank and draw lines connecting the pen marks to follow while cutting.