Discuss the various aspects of heat press technology. Transfer paper, inks, plastisol transfers, vinyl cutters, printers, commercial usage, durability, suppliers, etc.
3 or 4 fingers apart (depends on the size of your finger widths of course ), is about standard. But that will vary depending on the shirt size, style. Sometimes girls like it up high....above the, others dont.
For full fronts I usually go about 3-4 inches down from the collar. As the shirts get smaller you may want to raise it up about 1/4 to 1/2 inch per size. Good luck hope this helps.