i used a 0.4 nozzle

with layer height 0.2

infill 10 %

support yes ( for Stand body and heart frame front recommended)

You also need

16 x M3 x 8 mm hexagon socket screws

and for the pic fixer 4 x M3 x 6 mm (i hadn't them for the second build so i used M3 x 8 mm too for this part ;-)

For the lamp i used a Wemos D1 mini. It fits perfectly in the ‘Stand Body’ part.

The lightstripe is a DC5V WS2812B

For the lithophane picture i used itslitho.com