QR Code to STL Generator
Create a scannable 3D printable QR code and export it as an STL file for free. No account, no login, and no QR content sent to our servers.
Printable QR Builder
Create printable QR files
Preview
Phone scan preview
Preview appears after generation.
QR square
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Safer width
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Total height
3.5 mm
A QR Code to STL generator turns a QR pattern into printable 3D geometry. The goal is not only to extrude a square image, but to preserve the clear border, QR square edges, and physical contrast needed for phone scanning.
Paste the final URL or text, choose the physical size, set backing thickness and raised height, generate the QR package, then download STL with SVG and PNG references for scan checks.
Use short content, keep the quiet zone clear, avoid tiny QR squares, print one final-size sample, and test under the same lighting and distance where the code will actually be scanned.
Best settings for 3D printed QR codes
STL export is only useful if the physical QR still scans. Use these starting points before sending the model to a slicer.
Enter the URL or text you want to encode.
Choose print size, base thickness, and raised height.
Generate the QR package and check scan warnings.
Download STL for your slicer plus SVG and PNG references.
Start around 65-80 mm wide for handheld prototypes with short URLs. Increase size for long content, signage, engraving, or uncertain lighting.
A 2-3 mm base with about 1-2 mm raised height is a practical starting point. Engraved codes need extra attention to fill color and tool width.
Use STL for slicing and fabrication, SVG as the clean vector reference, and PNG for quick preview, documentation, or scan comparison.
The same workflow works for product tags, asset labels, maker badges, signs, and physical support links when the final print is tested.
QR Code to STL FAQ
Practical answers before you download an STL QR code, print a sign, or make a physical product label.
Yes. The QR Code to STL generator is free to use and does not require an account, login, or sign-up for normal browser-based generation.
Paste the URL or text, choose the physical dimensions, generate the printable QR package, then download the STL file created from the QR pattern.
Yes. QR codes can be 3D printed when the individual QR squares are large enough, the clear border is preserved, and the printed part has enough contrast.
For a first handheld prototype, 65-80 mm wide is a practical starting range. Dense content, engraving, or longer scan distance usually needs a larger print.
Raised QR squares are often easier for simple FDM prototypes. Engraving can work well with paint fill, CNC, or protected surfaces when contrast remains strong.
Common causes are tiny QR squares, cropped clear border, weak contrast, glossy material, long encoded content, or testing only under ideal desk lighting.
Yes. Use the STL for the physical part and keep the SVG or PNG reference so you can compare the finished sign, label, or tag against the intended QR pattern.