I got my very own 3D printer last Friday, a Monoprice Select Mini, with (120mm)^3 printable volume. The second model I put through it was a Crew Dragon I found on Thingiverse (http://www.thingiverse.com/thing:1802512
), and it worked beautifully! The picture was taken before any clean up.
The model was made using PLA filament and was printed at 1/72 scale. I have another copy printing right now. A little primer and a bit of sanding, and she'll be ready to paint and will join my 1/72 "new space" collection.
I also included a shot of the printer itself. Overall, it's been a good experience. This is really a starter printer, given the price and relatively small build volume, but I'm a starter, so, yeah. The software they shipped with it is an old version of Cura for Windows, and I used it to slice the Crew Dragon; I tried the newest version (2.4) with another model, but had all kinds of settings problems, and ended up spending a couple of hours today chipping blobs of fused PLA from all around the printer nozzle. The old version of Cura does work, so I'll just use that for a while. I paid $199 (with free Prime shipping) on Amazon. All in all, I'm very happy; the problems were my fault, not Monoprice's. I bought (and used) some cleaning filament today, and have ordered a new build surface and some extra nozzles.
I've built resin and styrene kits, plus lots of scratch builds, and have even molded and cast a model of my own. It's going to be a treat to join the 3D printing revolution. When I have time, I'll try to find a 3D modeling program so I can do complex shapes (and trusses, I hate trusses). I'm looking forward to making models where parts are 3D printed, parts are done by hand.