Recommended printer & slicer settings
Tested on Prusa MK4 and Bambu X1C. Start with a 0.4 mm nozzle, 0.2 mm layer height, 210°C nozzle for PLA or 240°C for PETG, 60°C bed, and 15% gyroid infill. Enable ironing for the top layer to smooth the base plane beneath the QR voxels.
Step-by-step workflow
Prepare the QR code
Generate the QR code with a 4-module quiet zone, select a raised frame template, and export the STL with the desired size and bevel.
Configure slicer settings
Use 0.2 mm layer height, 0.45 mm extrusion width, 15% gyroid infill, and ensure top layers reach at least 1.2 mm for solid contrast.
Manage color swaps
Insert a filament color change at 1.0 mm to differentiate raised voxels from the base. Use black/light duality for best readability.
Post-process and verify
Remove stringing with a heat gun, apply satin clear coat for protection, and scan using multiple devices to validate reliability.
Quality checks
- Confirm each module edge is clean and free of elephant footing before removing from the build plate.
- Use calipers to verify module height is at least 1.0 mm for strong contrast.
- Scan under multiple lighting scenarios to ensure consistent readability.