How do I avoid partial patterns at edges?

Use the adjusted pattern size from this calculator, which divides the surface evenly. Alternatively, add a border frame around the pattern area to hide any partial repeats at the edges.

What spacing works best between pattern elements?

For FDM printing, minimum 1-2mm spacing ensures clean separation. For fine detail, use at least 2x your nozzle diameter. Too-small spacing may cause elements to merge during printing.

What is a brick pattern arrangement?

A brick pattern offsets every other row by half the pattern width, like bricks in a wall. This creates a more organic, less rigid-looking pattern than a simple grid. The whole-tile repeat count is the same as a grid of the same element size — only the visual alignment of the rows changes.

Can I use patterns on curved surfaces?

Yes, but the pattern will distort on curves. For gentle curves, the distortion is minimal. For tight curves, you may need to project the pattern onto the surface in your CAD software to maintain even spacing.

3DPrintCalcs

Pattern Repeat Calculator — Spacing & Repeat Counts

Work out pattern spacing and repeat counts for decorative surfaces.

Surface Width

Width of the area you are decorating, e.g. a phone-case back or panel face

Surface Height

Height of the area you are decorating, measured along the print's Y axis

Pattern Width

Width of one repeating element (one tile of the motif), excluding spacing

Pattern Height

Height of one repeating element, excluding spacing

Spacing

Gap between elements — keep at least 2x nozzle diameter so they print as separate features

ArrangementGrid = aligned rows; Brick = alternate rows offset half a tile (same count as grid); Diamond = tiles rotated 45°, so each needs more room and fewer fit

How We Calculate This

Pattern Repeat Formulas

Repeats per row = Surface width / (Pattern width + Spacing)
Repeats per column = Surface height / (Pattern height + Spacing)
Diamond (45° rotated) = each element's pitch is multiplied by √2 (1.414), because a square rotated 45° has a bounding box of side × √2, so fewer fit than a grid
Brick (offset rows) = same repeat count as the grid; only alternate rows shift by half a tile
Total repeats = Repeats per row x Repeats per column
Adjusted size = (Surface dimension / Repeats) - Spacing for grid & brick; for diamond the same √2 pitch factor applies: (Surface dimension / (Repeats × √2)) - Spacing
Coverage = (Total repeats x Pattern area / Surface area) x 100

The adjusted pattern size option resizes the pattern slightly so that an exact whole number of repeats fills the surface with no partial patterns at the edges. Whole-tile counts use floor(), so any leftover strip narrower than one element is left as edge margin.

Frequently Asked Questions

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Last updated: February 2026

All calculations are estimates. Always verify settings with test prints before committing to final prints.