A lightbox to house some LEDs sourced from a cheap rechargeable light. Curved box is designed to take custom lithophanes created using the following settings:

See Video:
https://youtu.be/3i6UzTQTSZU

Image to Lithophane Website:
https://3dp.rocks/lithophane/

Settings used for Outer Curve lithophane.

Model Settings:
Maximum Size - 150mm
Thickness - 2mm
Border - 4mm
Thinnest Layer - 0.8mm
Vectors Per Pixel - 10
Base/Stand Depth - 0
Curve - 0

Image Settings:
Positive Image
Mirror Image Off
Flip Image Off
Manual Refresh
Repeat X Count: 1
Repeat Y Count: 1
Mirror Repeat Off
Flip Repeat Off

Image preparation:
Crop your image to 2:3 (ratio)
Save image as .jpg less than 1mbs

Slicing settings for PolyTerra™ PLA Cotton White (Start with generic PLA settings):
Extrusion Multiplier - 0.9 (90%)
Extrusion Width - 0.4
Shells/Perimeters - 3
Infill - 0%
Layer Height - 0.15mm
Allow single extrusion fill - (Internal 20%)
Print with a Brim to help with bed adhesion

Creality

Ender 3

No

No

0.15mm

PolyTerra™ PLA is the perfect material for creating lithophanes thanks to the matte surface finish. This hides the layer lines by absorbing light into the material instead of reflecting light like a regular glossy PLA.

Learn More about PolyTerra™ PLA:

https://polymaker.com/polyterra-pla-info/