A basic shirt starts out
as 5 pieces of white fabric.
Front, back, right sleeve,
left sleeve and collar.


 

Using a large size shirt for example,
let’s use one photo on the front.
The fabric for the front is 35×24 inches.
That will be 7000×5000 pixels at 200PPI.
3500×2400 at 100PPI.
We can scale the image up since an average
smartphone shoots at 4000×3000.


Shirts look BEST at 200PPI, good at 100PPI.
*Please note that PPI (pixels per inch)
and DPI (dots per inch) are used interchangeably. But in Photoshop it’s PPI.


 

 

We place the image on the front.


For the sleeves we use part of the smoke.
If you try to stretch the front image to cover the sleeves
 it will crop too much off the image.
Also it’s extremely time consuming to line up sleeves in sewing.
So sleeves are usually a solid color or another segment of the front.
SLEEVES CAN’T BE A CONTINUATION OF THE MAIN IMAGE
Please make sure to read the last section at the bottom!

 

 

The final will look something like this.
With abstract images you might not notice breaks in the sewing at the sleeves.
We used an accent color for the collar.


For a repeating object the pixel size is much smaller.
Let’s say we want the object that repeats to be 3 inches.
So that means 3x3inches at 200PPI = 600×600 pixels
3×3 at 100PPI is only 300×300 pixels.

 

 

We repeat the dog over and over.
We set the background to a solid color or another image
like this floral design.

Design the sleeves and here’s the final as a button up shirt.

 

 

PLEASE NOTE FOR ALL SHIRTS:
Image will have visible breaks in the sewn areas
at the sleeves, button up panel, collar and any pockets.