Amazon offers several baby christening gown patterns from companies such as Simplicity, McCall's and Vogue. Free instructions for making christening outfits are on the sites Make It & Love It and Sewing.org.
Some of the christening gown patterns on Amazon have user reviews and ratings that discuss the patterns' adaptability, difficulty and versatility. In certain cases, the patterns are part of the company's Prime or free shipping programs.
Using photographs and descriptions, Make It & Love It teaches sewers how to create their own patterns for christening gowns. Additional steps include how to add the lining and gather the sleeves. Sewing.org has instructions for vintage gowns that are appropriate for christenings. Materials include a purchased wrap-around undershirt and fancy pillowcase.