Rear view:
I already posted a pic of this in a mostly completed state alongside the Kiryu, but this can now be considered actually done. Mostly just a straight pallet swap (blue > white, red > blue, yellow to red), not including the stripes and shoulder armor. The stylized RX-78 emblem and the star field are actually custom decals I printed onto blank water slide paper, and I'm really pleased with how they turned out. Not pictured is the core fighter, which has also been pallet swapped. At some point I'll do a resin cast of the MG 3.0 core block and sitting pilot figure and replace the core fighter with them so that I can have the core fighter out on display too. Aside from that, probably the only other thing I might do is tint the beam javelin effect parts pink.
Water slide decal paper generally comes in two varieties, intended for either laser or inkjet printers. With laser printer decal paper, which is what I used, just treat it as a photo (ie select photo or cardstock as the paper type and increase the DPI if you can), and as soon as it comes out of the printer you can cut the decal out and apply it. Inkjet, on the other hand, is supposed to require a clear coat after printing in order to prevent the ink from running when you soak the decal.