Print it. Check it.
Make it.
A small test saves a lot of material.
Print at the right size
The maker uses centimeters for the intended print width. The print sheet includes a 5 cm calibration line. Select A4 or Letter paper, use 100% scale or Actual size, and disable browser headers and footers. Do not use Fit to page.
Measure the calibration line before cutting. If it is not 5 cm, adjust the printer settings and print again. The current editor supports a single sheet up to 19 cm wide, 23 cm tall on Letter or 25 cm tall on A4; tiled printing is not available yet.
Keep white islands attached
Black is the part you cut out. A white region completely surrounded by black can fall out as you cut. Connect that region to the remaining sheet using an uncut strip called a bridge.
The maker counts enclosed white regions in a reduced preview. This is an approximate check, not a cut-ready certificate. It can miss very small details, thin connections, and material-specific problems. With automatic bridges enabled, the full pixel check replaces the sampled estimate. Bridge width is relative to the selected canvas width; changing that size regenerates the channels. A white outer margin may be added to keep the retained sheet connected. This does not measure the strength of every join.
Choose a forgiving starting point
Start with larger, simple shapes. Paper is useful for testing a pattern; a suitable reusable stencil film can be more durable. Follow your material and cutting-tool instructions, protect the work surface, and keep hands clear of the blade path.
Know your file
PNG exports are raster images at the processed preview resolution, capped at 1600 pixels on the longest side. Print size is applied to the browser print sheet, not encoded as a physical PNG dimension. Current library designs include their original PNG. Eight also include filled SVG cutting paths, without embedded raster images. The SVG width includes the whole square canvas and its margins. Import as cut geometry, verify dimensions, and remove any unwanted bounding rectangle added by your cutting software.
A new SVG export traces the current processed pixels, including any automatic bridges. Its centimeter dimensions include the full canvas, not just the artwork. Tracing can alter very fine edges. Inspect the exported file: it does not inherit the library's additional checks.
What the SVG check means
The eight library SVGs also pass a digital sensitivity check at their suggested widths: black cut-outs are expanded by approximately 0.25 and 0.5 mm per edge. No isolated white region at least 0.1 mm² remains in those simulated checks; smaller raster fragments can remain. This square-kernel simulation is not a measurement of real kerf or material strength.
Each published connected SVG has no enclosed white regions in digital renders at 600, 1254 and 2508 pixels. Four-neighbor checks do not count a diagonal touch as a bridge. This check is not a material-strength measurement, a minimum-gap certification, or a guarantee for a particular cutter.
Added bridge channels target 1.8 mm at the suggested canvas width. Existing joins can be thinner. Reducing the design makes every feature narrower. No physical cut tests have been performed on these downloads yet.
Make a trial cut
- Confirm the imported canvas size and keep the initial trial at the suggested width.
- Cut on scrap of the same material, using its manufacturer's tool settings.
- Remove the black cut-outs. Check that every white section stays attached and that narrow joins survive lifting.
- Make one paint test; inspect leaks, flexing and the smallest details before reusing the sheet.