capability · cardboard · crafts

Can a Diode Laser Cut Cardboard?

Yes — a diode laser cuts chipboard and kraft cardboard cleanly in a single pass. On a 10W laser, cut 1mm chipboard at 40–50% power, 3,000 mm/min. Corrugated cardboard also cuts, but needs careful supervision: its hollow air channels allow fire to travel inside the material, out of sight. Never leave the machine unattended with corrugated cardboard. — Laser Tinkerer, 2026.

Last updated 2026-06-30 · Capability Guides · Laser Tinkerer · sources

  • Chipboard (the solid grey-brown sheet) cuts cleanly on any diode laser — even a 5W machine
  • Corrugated (the wavy-interior box board) cuts but has higher fire risk from internal air channels
  • Skip air assist for corrugated — it can fan a hidden flame inside the flutes
  • Settings vary widely by brand and density — always test on a scrap piece first
  • Chipboard is ideal for packaging prototypes, model-making, and architectural models

What's the Difference? Chipboard vs Corrugated vs Kraft

The word "cardboard" covers three quite different materials, each of which behaves differently under the laser. Understanding which type you have changes your settings and your fire precautions.

Three types of cardboard and how they behave under a diode laser Chipboard (grey / brown sheet) Corrugated (box board — fluted inside) Kraft / Grey board (cardstock / cover stock) — solid sheet — ✅ Easy 5W+: single pass 10W: 45% / 3,000 mm/min, 1 pass ⚠ Mod. fire risk low air assist OK packaging, models air air air air ⚠ Caution 10W+: works 10W: 60% / 800 mm/min, 1–2 passes 🔥 Hidden fire risk flame inside flutes watch closely · no air assist — dense sheet — ✅ Easy 5W+: works 10W: 40% / 4,000 mm/min, 1 pass ⚠ Mod. fire risk low air assist OK bags, tags, wrapping Settings are starting points for standard material. Test on scrap first. — Laser Tinkerer, 2026
Three types of "cardboard" behave very differently under the laser. Corrugated's internal air channels create a fire risk unique to that material type.

Starting Settings by Wattage

Settings vary significantly by cardboard density and brand. The table below uses chipboard (solid, 1–2mm) as the primary benchmark, since that's the most common laser-cutting application. Corrugated settings follow in the fire-risk section.

Sources: manufacturer AlgoLaser Pixi 5W + Delta 40W official material table · community Ortur Laser Master 3 10W data + Atomstack X20 Pro 20W data via bonnycreations.com settings library.

Wattage Material Power Speed (mm/min) Speed (mm/s) Passes Confidence
5W Chipboard 1mm 80–100% 2,500–3,000 42–50 1 manufacturer
5W Corrugated 2mm 100% 500 8 1–2 manufacturer
10W Chipboard 1mm 40–55% 3,000–4,500 50–75 1 community
10W Corrugated 3mm 55–75% 700–1,200 12–20 1–2 estimated — test first
20W Chipboard 1–2mm 30–50% 4,000–6,000 67–100 1 community
20W Corrugated 3–5mm 50–65% 800–2,000 13–33 1–2 community · wide range
40W Corrugated 5mm 100% 1,900 32 1 manufacturer
Why the wide range for corrugated? Community measurements for corrugated (800–5,000 mm/min at 20W) reflect genuine material variance — single-wall vs double-wall, recycled vs virgin fibre, damp vs dry. The slower end is for thick double-wall; the faster end for thin single-wall chipboard-based panels. Always test on a scrap piece of your exact material.

The Corrugated Fire Risk — Why It's Different

Chipboard and kraft burn the same way paper does — a visible flame that you can see and respond to. Corrugated cardboard is different, and the difference matters for safety.

Corrugated cardboard cross-section: how fire travels inside the air channels Corrugated cardboard — fire can travel inside top liner → air → air → air → air → air → air bottom laser beam 🔥 🔥 flame travels inside — invisible from above ≈3–5 mm
The hollow flutes (air channels) of corrugated cardboard allow a small flame to travel along the channel, away from the visible cut line — sometimes for centimetres, out of sight beneath the top liner.
Corrugated fire safety: three rules
1. Watch the cut in real time. A flame in the flutes may not be visible from above. If you see smoke or smell something burning, stop and check.
2. No strong air assist. Air assist can push oxygen into the flutes and feed a hidden flame rather than extinguish it. Skip it for corrugated, or use only a very gentle breeze.
3. Keep a spray bottle of water nearby. If you see smoke from the ends of the corrugated channels, a quick spray extinguishes the flame before it spreads.

Air Assist: Different Rules for Cardboard

Air assist is helpful for most laser cutting. Cardboard is the exception, especially corrugated.

Material Air assist setting Reason
Chipboard / solid card Low (15–20 PSI) Clears smoke, slightly reduces fire risk — fine at low pressure
Kraft paper board Low (15–20 PSI) Same as chipboard — gentle air improves edge quality
Corrugated cardboard OFF or very gentle Strong air feeds oxygen into flutes — can accelerate a hidden flame

What to Make with Laser-Cut Cardboard

Cardboard is forgiving, cheap, and quick to cut — great for prototyping before committing to expensive materials.

  • Packaging prototypes: design a custom box, test it in chipboard before ordering rigid cardboard or wood
  • Architectural models: chipboard cuts cleanly into walls, floors, roof panels — standard material for scale models
  • Gift boxes and display stands: chipboard at 2–3mm is strong enough for lightweight structures
  • Stencils and masks: kraft cardboard makes reusable paint stencils — slightly textured surface that doesn't slide
  • Cosplay armour forms: corrugated cardboard shapes easily for large cosplay pieces; cover with papier mâché or mod podge to harden
  • Jigs and fixtures: chipboard jigs for holding parts during assembly, painting, or gluing
  • Test cuts: use chipboard as a free stand-in to dial in settings before cutting your real material

Useful Gear for Laser Cutting Cardboard

A honeycomb bed lifts chipboard off the laser bed and improves cut quality by allowing smoke to escape from the bottom of the cut. Safety glasses are required whenever the enclosure is open.

Laser honeycomb bed on Amazon → · OD7 safety glasses →
As an Amazon Associate I earn from qualifying purchases.

Frequently Asked Questions

Can a diode laser cut corrugated cardboard?

Yes, but it requires close supervision. Corrugated cardboard has hollow air channels (flutes) inside. When the laser cuts through, a small flame can travel along those channels — sometimes several centimetres away from the cut line, hidden under the top liner. Always watch corrugated cuts in real time. Keep air assist off or very gentle. Have a spray bottle of water ready.

What power settings for chipboard on a 10W laser?

Start at 40–55% power, 3,000–4,500 mm/min (50–75 mm/s) for 1mm chipboard. Run a test square on a scrap piece first — chipboard density varies significantly between brands. Laser-grade chipboard from craft suppliers is more consistent than salvaged packaging. — Laser Tinkerer, 2026.

Can I engrave cardboard as well as cut it?

Yes. For engraving, run high speed (6,000–10,000 mm/min) at low power (10–25% on a 10W laser). The laser scorches the surface slightly, creating a visible design. Keep air assist off or very low. Test on scrap first — chipboard's surface texture absorbs unevenly and can produce a rough engraved look.

How many passes does corrugated cardboard need?

For a 10W laser on standard single-wall corrugated (3mm total thickness), 1–2 passes at 700–1,200 mm/min, 60–75% power. For 40W lasers, one pass at 1,900 mm/min, 100% is sufficient for 5mm corrugated (manufacturer data, AlgoLaser). Always test first — single-wall vs double-wall corrugated behaves very differently.

Is laser-cut cardboard fume-safe?

Plain cardboard (chipboard, kraft, corrugated) produces paper smoke — cellulose particulates and some VOCs. It is not highly hazardous but ventilation is recommended. Never laser-cut cardboard with metallic foiling, wax coating, or unknown laminations — these may release harmful fumes. If your cardboard has a shiny surface layer, test a small corner and check the smell before cutting a full piece.