Railroad Crossing 240mm LED Lightbox Lens

Railroad crossing - look out for the cars. Can you spell that without any “R”s?

This model is a Railroad Crossing warning sign 240mm diameter art deco LED lightbox and lens with options for wall hanging or a desk/shelf base/stand if you prefer.

This version of lightbox lens fits my 240mm lightbox back and stand files. You need the lens and the back for a complete lightbox. Standard back and base available here: https://makerworld.com/en/models/2168648-lightbox-back-and-stand-for-mzip-240mm-lightboxes A fancy base with customizable faceplate and rear power jack is available here: https://makerworld.com/en/models/2147170-240mm-base-w-power-jack-and-separate-front-plate

These lightboxes feature a printed-in reflector in the back to maximize brightness of the lens design, a printed-in diffuser for the lens that mostly makes sure different color regions can't separate from each other leaving cracks or holes, a hooded hanging hole to prevent light leaks, a strain relief that has a slot to secure the power supply wire with a zip tie, and an optional base. I used all Bambu Basic PLA for my prints. Yellow, black and Jade white.

It's configured as a 3-color print and looks nice printed on textured PEI. If you have lifting, be sure your build plate is clean, your filament is dry, you can add a few degrees to build plate temperature, and you might try liquid glue (worked great for me). These lenses do print well but you need good adhesion.

Parts I used:

2 each M4x16 machine screws (if using the base)

RF LED Strip Light Dimmer, Amazon.com ASIN B0C58VYTFD

LED strip: USB LED Strip Light Cool White 6000K 5V USB Powered 13.12ft/4M 240LEDs Flexible SMD2835 High Brightness No-Waterproof IP20 LED Tape Lights(2pcs x 6.6ft) ASIN B08M65DKZ7

You can also use Bambu striplight sets if you prefer. Some of this new series of art designs can be printed in just black and white and use an RGB strip to set whatever color illumination you want.

5-24V DC power supply (if you use the LED Strip Light Dimmer above)

Clear or black silicone seal to attach the lens to the lightbox back