Local QR to STL & Matter tools
Make a printable QR model locally, or create a Matter setup code. Free, with no account.
Paste content
Use the final URL, support link, product page, or plain text.
Check print geometry
Choose print width, raised height, and backing thickness before export.
Export and test
Download STL, SVG, and PNG, then scan the first physical print.
QR Code to STL Generator
URL or text → STL, SVG, and PNG. Ready for your first print test.
Generate a free QR STLMatter QR Code Generator & Decoder
Create a setup QR from your device fields, or inspect an existing MT: pairing payload in your browser.
Physical print workflow
Making a QR code for 3D printing?
Build a print-focused QR code with geometry checks, scan-risk warnings, STL output, and reference files for your own physical scan test.
Generate a free STL QR codeChoose a tool for the job
Start with a static QR for links and text, prepare a model for 3D printing, or assemble a Matter setup payload from device commissioning fields.
Turn a URL or text into a static QR code in your browser, without an account or an intermediate redirect.
Open toolTurn a URL or text into a raised QR model and download free STL, SVG, and PNG files for your first print test.
Open toolGenerate a Matter setup QR or decode an existing MT: payload to inspect its pairing fields locally.
Open toolUnderstand the complete workflow: QR density, STL geometry, raised vs recessed models, slicing, and physical scan tests.
Open toolUse practical sizing, failure-analysis, geometry, and printability guides before committing to a production print.
Open toolWhy this STL QR has a better chance to scan
A QR code can look perfect on screen and still fail after printing. PrivQR shapes the output around small-square size, clear border, 3D shape, and print handoff.
The tool estimates the size of each small QR square before export, so long URLs are caught before they become failed prints.
Printable QR codes need empty space around the pattern. The STL keeps that scan-critical border part of the model.
The 3D file is generated from the QR pattern rather than a screenshot conversion, keeping raised squares aligned to the code.
Export STL for slicing, then keep SVG or PNG nearby as the clean reference for scan testing and fabrication handoff.
Need a regular QR image?
Create a static QR code for a link or text here. Download PNG or SVG for a document or flat label, with no redirect service or account.
Open the private QR code generatorPrivate QR generator
Create a private QR code
QR content stays in this browser. No redirect links. Never expires.
Start with a profile, then test the real print
These are not guaranteed production settings. They are practical starting points that make the tradeoffs visible before you export STL.
Short support URL on an indoor PLA part
Geometry: 2 mm backing, 1.5 mm raised squares
Scan test: Scan from 20-40 cm with two phones before making copies.
Watch for: Long URLs can make the QR squares too small. Shorten the URL before shrinking the model.
Temporary but handled by many people
Geometry: Raised squares with a protected clear border
Scan test: Test at arm length, from slight angles, under venue lighting.
Watch for: Glossy finishes and busy frames can reduce camera contrast.
Visitors scan from farther away
Geometry: Moderate raised height, high contrast, no clutter near the clear border
Scan test: Test from the intended walking distance, not just close-up.
Watch for: A code that scans on a desk may fail after mounting height and glare change.
Permanent surface where raised squares may wear down
Geometry: Recessed QR squares with clean edges and paint fill
Scan test: Scan after finishing, cleaning, and final surface treatment.
Watch for: Tool width, fill bleed, and rough edges can merge small QR squares.
Generate the first STL, then prove it scans
The strongest process is simple: create the STL package, print one final-size sample, scan it in the real environment, then scale production only after the first print passes.
Build the first STLUseful before the first STL becomes a failed print
Use these guides to adjust size, raised height, engraving method, material choice, and scan testing conditions before scaling a print run.
Browse all guidesChoose size, depth, contrast, material, and scan checks for a reliable 3D printed QR code.
Choose the right 3D QR workflow for printable, engraved, and STL-based codes.
The most common scan failures in physical deployment and how to avoid them.
Choose QR square size, clear border, and overall dimensions that survive printing.
A practical process for turning a QR into something that still scans after fabrication.
Pick the geometry that matches your material, lighting, and manufacturing process.
FAQ
Common questions before exporting an STL QR code or sending a 3D printed QR code to production.
Yes. Core priv QR tools are free to use and do not require an account, login, or sign-up. QR content is generated in the browser.
Yes. QR codes can be 3D printed when the small squares are large enough, the clear border is preserved, and the physical part has enough contrast for phone cameras.
It depends on how much text the QR stores and how far away people scan it. Start around 65-80 mm for a general prototype, then increase width if the small-square warning appears.
A 2 mm backing with about 1-2 mm of raised height is a practical starting point for many prototypes. Material and finish can require more height.
Use /qr-code-to-stl for a free STL, SVG, and PNG download. Open /3d for printer-aware recommendations and raised or recessed models, or /3d-qr-code for the complete workflow guide.