Seeing Magna's Battlefront, and TRDG's Flames of War dioramas, I am inspired to try my hand at it. I will be hosting an Axis & Allies Miniatures game in the Game Den soon, and am starting to put together some of the diorama elements. I have some trees built, and have been collecting rocks and pebbles from outside for the better part of a couple months! I have a few other elements, and a general idea of what I will build for the diorama, and the support upon which it will set...this will all be in another "How to" thread as I start to build all the elements and then setup the battlefield.
I have seen some really nice resin-cast buildings for 15mm miniatures on a couple online vendor sites, and have ordered a couple pieces; but a thorough search yielded only a couple manufacturers that make 15mm diorama buildings and elements, and they are pretty cosistantly priced over several vendors. Yet in truth, a lot of what I've seen out there, I'm thinking to myself..."I can make that!". Back in my Art school days, I did a fair amount of sculpting and pottery, so I am no stranger to clay, plaster, stone, etc.
One of the first things I saw was an Artillery position installation, and was amused that, even though it was pretty fairly priced, I still couldn't bring myself to purchasing one without first trying to fashion my own. So this is a tutorial on how to do your own!
The first thing I did was figure out the medium I wanted to make this in. I haven't a kiln, so firing up lumps of clay the traditional way was out of the question. But I knew there was a fair selection of polymer clays out there that are soft to mold, and bake in the kitchen oven. My choice was "Sculpey III", which you can purchase in any craft store.....I bought a small brick at my local Michaels Craft Store for under US$2.00, which is small, but I just wanted enough to test out my theory.
I bought it in green, so that I was well under way without having to apply a base coat...but you can buy this stuff in bulk, which after my success with this piece, I later picked up a 1.75 LBS package for US$12.99, which is a natural white color, and is a lot more cost effective buying in bulk like this.
Polymer clays like Sculpey are non-toxic and fairly easy to use. Animators use this stuff, so it's not just a craft store item. They remain pliable for long preiods of time, until you "cure" it by baking it in your home oven to a hard (yet depending on it's thickness, somewhat pliable, which can be advantageous). Once cured, you can further sculpt it, sand it, and paint it...whatever you need. Curing Sculpey requires that you bake it in the home over at 275 degrees for 15 minutes per quarter inch of clay...pretty simple! I snitched an old backing pan my wife had in a Goodwill donation pile, and it is now dedicated to this task alone! (Don't use your wife's good baking pan, throw it back in the oven drawer, and complain when your next batch of Brownies "Taste funny!". Note that the company advises you use a glass baking sheets, but I just used a metal one and it worked just fine.
You start by ripping off a small chunk and kneading it in your hands...the warmth of your hands "softs" the clay further, and you actually start to redistribute the plasticizers and polymer fibers in the clay...this is what is known as "conditioning" the clay. If the clay feels flexible and can be pulled easily without breaking, you're ready to go! The unused portion can be sealed in a sandwich bag, with the air pressed out as much as possible, and store in a cool, dark, dry place; heat & ultraviolet light is clay's Kryptonite! Make sure that the surface you work on is something like waxed paper or similar; I used a plastic sleeve that one of my model sprues came in...hey, it was handy!
The artillery installation began to take form by my first making the base. I pressed out the Sculpey on the plastic sheet and formed it into a "U" shape...kinda like the mouthguards football players use. The front end was made thicker (where the sandbags would go), and the back end I pressed out to have almost no lip...this is so you can "drive" tanks up onto it and achieve an angled trajectory of fire. I then formed a clay rope, in which you roll it like dough on the sheet with the palm of your hand, rolling it back and forth until you have a rope the rough size you want. I then placed the clay rope on the base perimeter and used my fingers to mold the clay rope onto the base, forming a bond (kinda like when your drawing your finger on the bead of caulking to even it out); the clay is still warm from your hands and "blends" the each other, and creates a sufficient bond when you start to form the rope, which pushes it onto the base. I squared off the rope so that it started to take the shape of rough cinderblocks, which I would form into sandbags afterwards.
I then cut in sections for sandbags, starting big, and cutting smaller ones from the big ones, so that I could try and achieve cosistancy. I then sculpted the sandbags individually, and also took one of my Axis & Allies Miniatures tanks, and pressed it into the base in a couple angles to emboss track indentation in the "ground". The picture below shows the larher segments that were further shaped into smaller sandbags later.
The tracks came out excellent!
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