I wanted a Flynn's arcade sign to hang by my MAME cab. What I came up with has a multitude of uses. Use the Flynn's marquee I provide, or make your own marquee for this box (I provide the template). More designs are coming, and marquees are easily swapped by removing the bezel. A notch in the bottom accepts an optional tag, and the box itself can be printed either with or without screw hanger holes on the back.

Additional marquees and improvements to the design are in the works, but is perfectly workable in it's current state.

Light up your world with this awesome weekend project!

Descriptions of the STL files follow; Print the parts needed depending on your build:

Marquee box:
marquee_box_hangers.stl - has screw hanging holes on the back for wall mounting
marquee_box_noholes.stl - has no holes, ideal for a desk or tabletop.

Bezels:
marquee_bezel.stl - A clean bezel to retain the marquee sign
marquee_bezel_notched.stl - has a circular notch on one end to help accommodate a grommet or power socket

Lastly, Arcade_one_piece_large.stl is an optional tag that can be attached to the notch in the bottom of the sign. Print it in black, and switch colors when the letters start printing.

Signage consists of two parts, mask and diffuser:
FLYNNS mask and diffuser stl's are for the sign pictured, while marquee_blank_template.stl is a blank mask (or for dimensions on your own sign) and marquee_diffuser_blank.stl is a blank for a diffuser to be used with a mask of your own design.

I used automotive LED strips to provide the lighting, and a 12v power brick to drive it. you can easily come up with your own lighting solution. Also, holes can be drilled in the box to accommodate plugs, wires, switches, etc.

*Some additional notes on lighting (addendum as of 3/16/2015):

I lined the interior of the box with aluminum foil tape (usually found at hardware stores in the plumbing section). This makes the interior reflective. You can also paint the inside white, or just use sheets of white paper. Using colored paper or paint will also color your reflected light as well. The LED strips were placed around the interior perimeter of the box, stuck to the interior walls where they meet the backplate.
Sometimes the LED's themselves will cause "hot spots", extra bright areas, which are visible through the diffuser. To make the illumination more consistent, you can use strips of paper, polyfill or thin packing foam directly in front of the LED's, in-between the LED strip and the marquee to diffuse these hot spots. Feel free to experiment and fine tune your setup to provide the best lighting effects.

On the Flynn's Marquee:

The diffuser snaps onto the mask over 3mm "pins". Note that you may need to ream the holes on the diffuser a little if it doesn't easily slip over the pins. Next, putting it on a light table or a window, color the diffuser as in the last two photos (the final one is a quality photo of an actual FLYNN'S neon sign). start on the back of the diffuser, using the mask as a template. once done, remove the diffuser form the mask, flip it around, and do the other side as well. To be "screen Correct", three sharpie markers in the following colors should be used: "Neon Yellow", "Neon Orange" and standard Orange" The center-most "neon tube" should be neon yellow, the next two out from that should be neon orange, and the outermost from those should be standard orange.

The color is definitely noticeable, but when photographed, it all tends to just look orange. My pictures don't do it justice, it will look much cooler when viewed in-person. I also did another marquee using only standard orange, and while decent, using the tri-color method makes it pop, and is authentic to the signs used in the TRON films, as well as those in the actual arcades at Disney, and during the ComiCon viral campaign.

Lastly, place the diffuser onto the mask, aligning it over the pins. I used a micro torch to quickly heat each pin, and pressed it down flat using the end of a bolt as a tool. This will rivet the diffuser onto the mask. Of course, you may also use glue.

Feel free to use my blank templates to create your own signage, or you could have a marquee printed to the correct dimensions, mount to some thin glass or plexi, and use that instead.

In conclusion, I have also included the SVG files I used in the making of for the Flynn's sign, as it's hard to get the logo correct, and the font is not freely available.

By the way, this design maxes out my Rep2's build area on the X, so you may need to rescale everything to get it to print on smaller machines, but if you go bigger, I'd love to see the results!
Any questions, please ask. and definitely share your makes if you get good use out of this!