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QuickSTL 3D Stencil Maker

Turns a logo or lettering image into a spray stencil with automatic bridges

QuickSTL 3D Stencil Maker is a free browser tool for spray stencils from existing logos. Free STL download, no sign-up or paid tier seen. Exports STL. Last checked .

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Opens quickstl.app

Screenshot of QuickSTL 3D Stencil Maker

What is QuickSTL 3D Stencil Maker?

QuickSTL's 3D Stencil Maker converts a logo or lettering into a printable spray-paint stencil. You upload an SVG or a high-contrast image and the tool builds a flat plate with your design cut out.

Its key feature is automatic bridging. Enclosed shapes, such as the inside of an O or A, would drop out of a normal stencil, so the tool detects these islands and ties them to the frame with small bridges. You can set the plate thickness, overall size, overspray margin, bridge width and the number of bridges per island, then download the STL for free without signing up.

It suits one-off stencils for signs, shirts, crates and wall art when you already have artwork. For plain typed text, a text-based stencil generator is quicker, since this tool needs an image as input. QuickSTL also runs several other image-to-STL converters on the same site.

What you can make

  • Logo stencils
  • Lettering stencils from images
  • Spray paint templates

How to use QuickSTL 3D Stencil Maker

  1. Upload an SVG or high-contrast image
  2. Set thickness, size and overspray margin
  3. Adjust bridge width and bridges per island
  4. Download the stencil STL

What you'll need to print it

Filament and parts that suit what you make with QuickSTL 3D Stencil Maker.

Also handy

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QuickSTL 3D Stencil Maker pros

  • Automatic bridges keep letter islands attached
  • Adjustable thickness, size, overspray margin and bridge width
  • Works with logos as well as lettering

QuickSTL 3D Stencil Maker cons

  • Needs an SVG or image as input, you cannot just type text
  • Small, newer site with little community presence

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