If you don't have the resources to fabricate them yourself, there's plenty of places to buy the appliques. Spend a little time on google & searching some sites, you'll find plenty of options.Just the scrolls along the skirtboard under each tread. I've only seen photos of stairs with this design, so I wasn't sure if it had to be hand fabbed . I thought it would be hand made, but there is always the chance something could have been purchased from a mill supplier. There is a vast resource of knowledgeable people on here, so who better to ask?