Hộp đèn LED chữ COOL (COOL led light box)

The word "COOL" is rendered in a thick, rounded sans-serif font, giving it a playful yet substantial presence.

The outer shell is a deep cobalt blue, which provides a sharp frame for the internal light panels.

The integration of the translucent faceplates is seamless, ensuring that the light is diffused evenly across each letter without harsh "hot spots" from individual LED bulbs.

Print file contains base STL file all together, and 4 cap letters,

When print finished, insert  led light strips. and set the caps for letters.