Customized version of https://www.thingiverse.com/thing:3373935

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=3373935

Using the following options:

PCB_HEIGHT = 160
PCB_WIDTH = 160
NUMBER_LEDS_HORIZONTAL = 16
NUMBER_LEDS_VERTICAL = 16
DIFFUSER_HEIGHT = 5
LED_SIZE = 5
DISTANCE_BETWEEN_LEDS = 5
WALL_THINKESS = 1.2
PCB_BORDER = 0.4