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CutOptim

Glass cutting
optimization software

Float glass, tempered glass, mirrors, laminated glass — precise cutting plans with minimal waste, free and in your browser.

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Why is glass cutting waste so costly?

Glass is expensive, and the risk of breakage makes waste minimization critical. Poorly planned cuts can result in up to 30% waste, not counting breakage losses.

How does CutOptim minimize glass waste?

CutOptim is glass cutting optimization software that runs in the browser — nothing to install, and no account needed to try it. Its guillotine cutting algorithm ensures every cut runs in a straight line from edge to edge, exactly as glass cutting physically requires, and kerf can be set to 0 mm for score-and-snap work.

Industry at a glance

$75+ billion
Global flat glass market value (2024)
Grand View Research
15–30%
Average glass cutting waste
Industry average
€15–80 (depending on thickness)
Float glass cost per m²
European market
3–5%
Breakage rate with manual layout
Industry estimate
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Guillotine cuts

Only straight, through-cuts — the only physically possible method for glass.

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Zero kerf

Set 0mm blade kerf for score-and-snap glass cutting.

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Visual verification

SVG visualization for every stock sheet — see the cutting plan instantly.

Common use cases

Real-world scenarios where cutting optimization makes the biggest difference.

Window panels

Cutting IGU (Insulated Glass Unit) panes for residential and commercial windows. Multiple identical sizes grouped for batch processing.

MATERIALFloat glass 3210×2250mm, 4–6mm thick
SAVINGSReduce stock sheet usage by 20–25%

Shower enclosures

Custom shower screens require precise dimensions. Tempered glass cannot be cut after treatment — optimize before tempering.

MATERIALClear float 3210×2250mm, 8–10mm (pre-tempering)
SAVINGSSave 1–2 stock sheets per batch of 10 showers

Mirrors

Bathroom mirrors, wardrobe doors, and decorative mirrors from mirrored float glass. Standard sheet sizes vary by supplier.

MATERIALSilver-coated float 2550×1605mm, 4mm thick
SAVINGSReduce waste from 25% to 10%

Glass railings & balustrades

Structural glass balustrades for balconies and staircases. Exact tolerances required for hardware fittings.

MATERIALLaminated safety glass 3210×2250mm, 10+10mm
SAVINGSOptimize €800+ material per floor
📊 Real example: Office glass partitions

A glass workshop cuts 32 different-sized tempered glass panels from 6mm float glass for office partitions.

Before
Manual planning12 stock sheets
Waste28%
Material cost$2,400
After
CutOptim9 stock sheets
Waste11%
Material cost$1,800

Common glass types and sizes

MaterialStandard sizesKerfTip
Float glass (clear)3210×2250, 3210×2550, 6000×3210 mm0 mm (score-and-snap)Set kerf to 0mm — glass is scored and snapped, not sawed
Tempered (toughened) glassCut from float BEFORE tempering0 mmCannot be cut after tempering — optimize and cut from float first
Laminated glass3210×2250, 3210×2550 mm2–3 mm (diamond wheel)Laminated glass requires diamond wheel cutting — set appropriate kerf
Mirror glass2550×1605, 3210×2250 mm0 mmCut from the glass side (not mirror side). Score-and-snap method.
Guillotine-only mode
Zero kerf setting
Float glass size database
Visual SVG plan
Cost estimation
PDF export
Engine API

Automate it — the Engine API

Glass is scored and snapped edge to edge — a 2D guillotine problem the engine solves exactly, and the same engine is available over HTTP. Your software sends the panels and the stock sheets as JSON and gets back a guillotine-valid cut plan, the yield, and an inline SVG drawing for the cutting table.

  • Every plan is guillotine-valid — the straight edge-to-edge cuts a glass table can actually make.
  • Ask for include: ["svg"] and the layout comes back as a drawing inline in the response.
  • Free validation: POST /v1/validate/2d checks a job with no key and no quota.
POST /v1/optimize/2d
POST /v1/optimize/2d
{
  "parts": [{ "w": 800, "h": 600, "qty": 6 }],
  "stock": [{ "w": 3210, "h": 2250, "qty": 10 }],
  "options": { "kerf": 0 },
  "include": ["svg"]
}

Frequently asked questions

Why should I set kerf to 0mm for glass cutting?+
Unlike wood or metal, glass is cut by scoring a line on the surface and then snapping along that line. There is no material removed during the cut, so the blade kerf (cut width) is effectively 0mm.
Can CutOptim handle tempered glass projects?+
Yes, but remember that tempered glass must be cut from float glass BEFORE the tempering process. Use CutOptim to optimize the cutting plan from raw float glass stock sheets, then send the cut pieces for tempering.
How do I handle different glass thicknesses in one project?+
Create separate optimization runs for each thickness. CutOptim supports saving multiple cuts within a single project, each with its own stock size and settings.
Does CutOptim account for edge polishing?+
Edge polishing typically removes 1–2mm per edge. If your glass pieces require polished edges, add this allowance to each part dimension before optimization.
What is the minimum practical glass piece size?+
For score-and-snap cutting, the minimum practical size is about 50×50mm for 4mm glass and 100×100mm for thicker glass. Set the minimum offcut size in CutOptim to filter out unusable pieces.
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