What to do after the costume pattern?(spiderman suit)

Hello guys, I'm having a doubt to finish my suit Spiderman, painting in photoshop already finished and saved in this PDS, I am about to arrange for a stamping. But how do I print the costume in my size and fair?
I have to do some setup in photoshop so that it is in my size? and how do I have to configure?


Thank you in advance, I await answers.