
How to Make a Half-Drop Repeat in Illustrator (Step by Step)
Brick by Column at 1/2 is Illustrator’s half-drop. Here is the full Pattern Options setup, the by-hand build, the Photoshop version and the export sizes printers expect.
How pattern repeats work: block, half-drop, brick and mirror layouts, repeat sizes, and tiles that join without visible seams.

A seamless pattern for wallpaper and one for fabric are not interchangeable, even when they start from the same artwork. This comparison breaks down how repeat size, scale, resolution, and match type differ between wallpaper repeats and fabric printing, so you set each one up correctly.

How to turn a photo into a seamless pattern is easy to fake and hard to get production-ready. This guide covers the textile angle generic tools skip: clean tiles, 300 DPI, and a bolt-scale seam check.

Learning how to copy a fabric pattern from a photo is easy; doing it legally is the hard part. This guide extracts a usable repeat for reference, then shows how to turn it into original work instead of an infringing copy.
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