Upload the file for review
Start with STL, STEP, OBJ, or ZIP files plus notes about material, finish, quantity, and customer use case.
Define the merchandising angle
A Shopify product needs a buyer promise: use case, finish options, production time, shipping expectation, and care guidance.
Graduate into repeat fulfillment
Once the product has a stable quote, the listing can become a repeatable product line instead of a one-off print job.