The BlankBuilder blog

Guides for apparel brands and designers: mockups, print sizes, print files and product photos, made from real sewing patterns.

White oversize T-shirt in 3D with a tall front print of eyes in red, blue and cream squares and cobalt blue sleeves November 3, 2026How to make a T-shirt mockup from your own designPut your own artwork on a real T-shirt sewing pattern, see the true print size, check it in 3D and get product photos and print files from one project.Black hoodie with an all-over red print and a white emblem on the back, shown in 3D October 28, 2026How to make a hoodie mockup that's ready for printStep by step: put your design on a real hoodie sewing pattern, check it in 3D, make product photos and export print files at real size.