TSHIRT Baltimore Oriole
This Item I traced a photo and outlined it with a gray background, because it was a JPG in compressed format (Thats the way I shoot) there were some black jaggies when it was converted to PNG I didnt want to spend time so I put it to black Tee only.
If you are shooting for tee shoot in uncompressed format such as TIFF or Raw in your camera, raw is normally proprietary and can only be used by camera software, when you convert from raw stay to an uncompressed format.
This only pertains when doing a transparency.
If you do a drawing on a black background and save as jpg the edges around the objects will be averaged to some tones halfway between black and the object color, this is done in blocks of pixels, when black is made transparent these blocks may appear black to you but they are some off black.
This leaves a jagged outline.