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Laser-cut art and signage: the fine detail the beam can (and can’t) hold

Screens, signs, monograms and filigree — decorative work lives or dies on detail. Where the beam holds a crisp line, where it needs a bridge, and how to send art that cuts.

CN Nguyễn Châu Nguyên LASER CUTTING JUN 5, 2026 · 5 MIN READ
A laser-cut decorative screen in 2 mm steel, lying on a pallet COVER · ILLUSTRATION

The beam is a 0.2 mm pen

Decorative cutting is where the fiber laser shows off — hairline detail no router or waterjet can touch. But the beam has a width, around 0.2 mm, and it dumps heat. Push finer than the material allows and thin strands overheat, sag and discolour. Know the limits and the panel comes off crisp.

DETAIL

How fine can it go?

The honest limit scales with thickness — thin material holds fine detail, thick material can’t. As a starting point for mild steel:

SHEET tMIN SLOT / GAPMIN WEB (STRAND)MIN TEXT HEIGHT
1.0 mm0.3 mm0.8 mm4 mm
1.5 mm0.4 mm1.2 mm5 mm
2.0 mm0.5 mm1.6 mm6 mm
3.0 mm0.7 mm2.4 mm8 mm

Want more detail? Drop to a thinner sheet. A 1.5 mm screen holds twice the delicacy of a 3 mm one.

GEOMETRY

Letters need bridges

Anything with an enclosed hole — the centres of O, A, R, 8, and every counter in a logo — drops out as a loose disc the moment it’s cut free. Stencil fonts solve it by design; for normal type we add tiny bridges (tabs) that hold the island in place. Say where they can go, or let us place them where they read least.

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Every closed loop in your artwork is a part that falls on the floor unless we tie it in. Bridges are not damage — they’re what makes the letter stay a letter.

Send art that cuts

Great decorative work usually fails at the file, not the machine. Before you send it:

  1. 01 Outlines, not strokes Convert every line and font to a filled outline (curves). A hairline stroke has no width to cut.
  2. 02 One clean closed path per shape No double lines, no open gaps — the same rules as any cut file.
  3. 03 Real size, in millimetres A logo that looks fine at business-card size may be under the detail limit at 50 mm.
  4. 04 Flag the islands Tell us which counters must stay — we’ll bridge them so nothing drops out.
SIGNAGEDECORATIVEFIBER LASER
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NEXT STEP

Got a design to cut? Send the vector art and the panel size — we’ll flag the detail limits, add any bridges it needs, and cut, finish and coat it in one place.