Free · Find the slot width your cutter needs

Laser Kerf Test Comb Maker

Create a row of test gaps that change by a small amount, ready for a quick material fit check.

Real measured 2D CAD
Private in your browser
SVG, DXF, and model JSON

Set the measurements

The live drawing and every download use millimetres.

Exact sizesMove a slider or type a number.

Comb width160 mm

Comb height45 mm

First gap2.7 mm

Gap step0.05 mm

Slot depth18 mm

Test gaps9

Cut a small test first. Real kerf and material thickness can change the fit.

CAD previewDrawing the starter template

Cut edge Hole or opening Guide or score

Making the drawingMaker.js is measuring every line and curve.

Width—

Height—

Paths—

Line length—

Your measurements stay in this browser tab.

Three simple steps

How to use it

Set the measurements for your kerf comb.
Check every cut, hole, and score line in the live drawing.
Download SVG or DXF and test it with scrap material first.

Your measurements stay on this device

Maker.js draws and measures the template inside this browser tab. Bookify does not upload or save the design. Check units, kerf, and material fit before a final cut.