Portable CRT monitor

this is a 4-inch monochrome CRT monitor that is portable, easy to assemble, and looks good.

Filament used- Creality wood PLA

Nozzle- 0.6mm

hardware:

-M3 self-tapping screws

-variable resistors(1K, 100K)

-DC barrel jack(center positive)

-power switch

-3.5mm 4-pole audio jack

-4-inch black and white flat CRT