There are a number of patterns out now for baby booties, shoes, boots that you can sew. Online you can check Simplicity, Butterick, Mccalls & Vogue. Also check retired patterns on Ebay.
Since they're so tiny, when you go to look for fabric, ask where the remnants are. You also might find some fancy material off of garments at Goodwill
Now that's repurposing!