As a kid I built several Star Wars models, including that AMT-Ertl Hoth diorama scene that came with paints and figures. Once assembled and badly painted, they generally became toys for myself and my younger brothers, and destroyed/lost in short order.
I returned to modeling a few years back, with the patience of an adult and the internet as my guide, and built a few WWII birds with skills and techniques learned here on the FSM forums. Browsing around here I noticed that Ban Dai has an enormous line of SW models that blow the old ones out of the water in terms of film accuracy, detail, scale, and overall engineering/kit quality. So I grabbed a couple (this one, a matching 1/48 T-47 snowspeeder, and a couple smaller "vehicle models") and they've been unopened in the stash until now.
As I'm wrapping up an Airfix Hawker Hurricane, I needed another kit to get started on as progress slows near the end of a build. The AT-ST called to me from the shelf as a nice break from WWII a/c, and with Star Wars Celebration coming up next month -- and a Episode IX this Christmas -- it seemed like the right time.
As a child of the 80s/90s, Star Wars is so much more than a movie series to me, and in a weird way, the AT-ST and other SW vehicles are more real to me than, say a Hawker Hurricane or other WWII aircraft. Of course I'm a WWII history buff with an undergrad degree in history, so that's probably not a good thing... but then again, in today's uncertain world a little fantasy with clearly-drawn good/evil lines is a welcome escape.
Anyway -- the kit. There are several very good builds of this kit documented out there on the web, but I didn't see any recent ones here on FSM so I figured I'd share my build here.
First: sprue shot. This thing has A LOT of parts. If you wonder why Ban Dai kits cost ~$30-40, open one up and you won't wonder any more. Multiple colors (on the same sprue!), tiny gates, literally no molding flash and no injection marks. There's two small decal sheets, one with peel-off stickers and one with water slide decals.
Looking around the web for reference photos led me down a mynock-hole of Industrial Light & Magic documentaries, which didn't help much but was highly inspiring. These things were of course entirely practical effects, and were essentially kit-bashed from random model kits. There are folks out there that have analyzed photos of the original models and identified all the parts and what kits they were bashed from -- and in at least once case, ILM used that data when rebuilding digital versions of the original models (now lost) for Rogue One!
Notice the egg beneath the big model in that pic! Chicken walker indeed.
There were, really, two and a half versions of the AT-ST in the original trilogy. The first appeared in The Empire Strikes Back in the background on Hoth.
The second version has a redesigned shape, and looks more "ILM" than "McQuarrie." It's also far more famous from the battle on Endor in Return of the Jedi. In that movie, there are sort of two versions -- a "studio" model and a "pyro" model (that they blew up). They're obviously supposed to be the same, but any of the minor differences can be explained in-universe as version changes at Kuat Drive Yards or field updates.
The Ban Dai kit (definitely a ROtJ walker) seems to be modeled most closely after the larger studio model. In fact, it's modeled after the one that Chewie captures, and the kit includes a 1/48 Chewie figure. One other detail: the studio models had a side-opening crew hatch, but the full-size set piece used in a few non-walking shots has a rear-opening crew hatch. The Ban Dai kit is designed to allow either configuration, and can be fit either open or closed.
The obvious choice for primary reference is this gorgeous digital render by Hugo Lamarre, which itself is based on the movie models.