I just did this to an old pair of jeans that I turned into cutoffs. It turned out really well, and I want to do it again with some coloured denim.
Sewing guidelines for making your own tops
Blouse peyzanki (Diy) / Simple pattern / The hands - patterns, alteration of clothing, interior decoration with your own hands - on Second Street
Unusual blouse / shirt / The hands - patterns, alteration of clothing, decor interior with their own hands - on Second Street
299 DIY no-sew ways to alter a t-shirt
New long sleeve cut up shredded weaved tshirt in white. Sleeves are cut & weaved also (hard to see in the pictures).