About this 3D model
Designed with fusion360 , parametric backlight box for drawings. you can set as parametric customisable dimensions : length, height and width of the box. In this exemple the opalin acrylic : 250x350mm ; height of the box 30mm I use : - a standard 12v 2A DC 220v AC power adapter with a positive centre pin - an inline power switch dimmer ON/OFF 2.1X5.5mm cable jack 12V - a 470microFarad 35V capacitor to avoid flickering - 7 strips 300mm cut out a 5m strip 12V led 5050 white , 60 leds /m https://www.thingiverse.com/thing:4663404