Input
19 bytes
Higher levels survive more damage. H is recommended for 3D prints — layer lines and lighting count as noise.
none selected
%
Error correction is locked to H and the code is generated one version larger while an overlay is active, so it stays scannable.
In the STL, dark parts of the overlay are extruded as relief inside a cleared pocket.
mm
mm
mm
Relief style
Quiet-zone border (keeps it scannable)
Print in a single contrasting color, then paint the top surface — or pause the print at the relief layer and swap filament for crisp two-tone codes.
Nothing to encode yet.
Type something on the left — the code appears as you type.
—version
—modules
—feature size
—stl triangles