3D Tools
3D Print with us
Link or text
A URL, phone number, Wi-Fi string or plain message. Longer payloads need a denser code, which means smaller squares to print.
Keychain size
40 mm
Extra border
2.5 mm
On top of the blank margin every QR needs — 4 clear modules, or scanners cannot lock on. At 0 you still get that.
Corner radius
3 mm
Error correction
L — recovers ~7%, fewest squares
M — recovers ~15%
Q — recovers ~25%
H — recovers ~30%, most squares
Plate thickness
2 mm
Square height
1.2 mm
Ring hole diameter
4 mm
Ring hole margin
2 mm
Generate keychain
Usually just a few seconds — no upload step.
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