Is a centerline trace the same as a single line SVG?

Yes. Laser and plotter people say centerline, crafters say single line. Both mean one line for each line you drew.

Why does my Cricut draw two lines?

Your file holds the outline of each line, so the pen goes round both edges. A single line SVG holds the middle of the line instead, so the pen goes along it once.

Can I make a single line SVG from a photo?

Not from a photo of a scene: it has no lines to follow. A photo of a drawing works if the lines are dark and sharp.

Can a Cricut cut a single line file?

No shape comes out of it: an open line gives a slit. Draw it with Pen, Foil or Score, and convert again without single lines to cut.

How do I make a single line SVG in Inkscape?

Use Trace Bitmap with Centerline tracing. It is free, and it works best on large, clean drawings.

Does Illustrator have a centerline trace?

Not by that name. Image Trace's Strokes option, under Advanced, draws features up to a width you set as stroked paths and anything wider as outlines, so a drawing of even, thin lines comes closest. Check every crossing before you send it to a pen.

Do single lines cost extra?

No. Converting and previewing are free, and single lines sit inside the image's one credit, with every format.

Single line SVG converter

Single line SVG, drawn once.

Drop a line drawing. VecSnap draws one line down the middle of each stroke, a centerline trace, so a pen, foil tip or laser goes over it once.

Drop a drawing here

PNG, JPG, WebP, AVIF, GIF, BMP, TIFF or SVG · Up to 10 MB

or paste it with ⌘CommandV

Crop firstKeep one part

Single linesCenterline, for a pen or laser

It is free, and your first 3 downloads are on us.

Converting and previewing are free
One credit keeps the file, every format included

A tracetwo edgesSingle linesone line

A trace's pen path52 inVecSnap's single lines27 in9 lines

A single line SVG holds one open path down the middle of each drawn line, so a Cricut pen, a foil tip or a laser goes over it once. An ordinary trace holds two edges, so the machine goes round every line. Drop a line drawing here and VecSnap draws it as single lines, also called a centerline trace, and shows the path a machine follows before you pay.

Updated Nov 10, 20264 sources ↓

Two edges, one line

Why does a machine draw two lines?

Because a trace keeps both edges of every line, and a machine follows edges. These are both files of one drawing, as a machine reads them.

A trace

52 ingoes round both edges

Single lines

27 ingoes down the middle

The pen's path at 6 in wide. An example we picked.

Read asLossy WebP · quality 90

9lines to draw

17 KBthe file

Convert your file

Which drawings

Which drawings work as single lines?

Line art with even lines works best: pen drawings, icons and doodles. A photo has no lines to follow, and a filled shape has no middle.

One pen, even lines
A marker or a fine liner gives a line of one width, the easiest kind to follow.
Room between lines
Lines drawn close together can run into one. Leave a little white between them.
Lines rather than fills
A solid area stays an outline, which a machine goes round. Draw it as lines if a pen must fill it.
Flat and sharp
Scan it, or photograph it from straight above in daylight, so straight lines stay straight.

Which machine

Does one file work for a pen, foil and a laser?

Yes. The lines are the same, and the tool sets how wide they come out.

PenCricut, Silhouette, a plotter

FoilA foil tip on dark card

ScoreA fold line, once

LaserOne pass down each line

In Design Space

How do I use a single line SVG on a Cricut?

Upload the file, then change its Operation from Cut to Pen. The upload preview can look thick; the canvas shows the real line.

In Design Space, choose Upload, then Upload Image, and pick the SVG.
Add it to the canvas and set the size you want.
Select the layers, open Operation and choose Pen, or Foil or Score where your machine offers them.
Press Make and check the mat: each line should show once.

Questions