Painting & Modeling

Beginner’s Guide to Modeling with Green Stuff

Click through to learn about the basics of additive modeling with the popular wargaming putty "Green Stuff."

So you’ve honed your painting skills and got a sizable number of minis tabletop ready. You’ve created detailed, thematic bases for your units and have a cohesive army. Now, you want to know what’s next – what else can you do to make your creations stand out?

Well, why not try modding with Green Stuff?

Let’s explore.

What is Green Stuff?

Green Stuff is the name of an epoxy putty used mainly for modeling in miniatures. It’s sold by a number of different brands (including Games Workshop) and also goes by the name Kneadatite, and usually is sold in a strip of connected yellow and blue bars.

(There are similar products out there, such as Milliput – use whatever you feel most comfortable with!)

The yellow putty cures softer, and the blue putty cures harder. By mixing various amounts of the two products (into, bang flash, various shades of green), modelers can create smooth, rigid additions to their minis.

At the end of the day, most people will use Green Stuff as an additive putty. This means that you likely aren’t going to use a big block of this and then shave it down, instead you’re going to add small bits of this at a time to a model that already exists, thereby changing its shape.


How do I use Green Stuff?

Thankfully, using Green Stuff is incredibly simple, even for beginners.

1. Dampen your fingers

I like to keep a moist paper towel next to me while I work with Green Stuff. Not only does it keep the putty from sticking to firmly to your fingers, it also minimizes fingerprints. It’s a small thing, but makes the whole process a lot easier.

2. Mix the putties together

For the most part, using a 1:1 mixture of yellow and blue will serve you just fine. But if you’re getting into really technical stuff down the line, remember the more yellow means a softer end result, and more blue means a harder end result.

Less is more: remember, this is additive, so start with just a little bit and grab more as needed.

Once you mix the putties together, you’ve started a slow timer. You’ve got maybe two hours before the putty is too hard to work with, so while you don’t need to rush you also don’t want to dilly dally once you’ve started working.

3. Apply using your hands or tools

Although there are specialized tools you can use for more precise modeling, as a beginner you’ll probably be just fine using your fingers. Keep them wet, and work slowly. And remember: add a little bit at a time. Adding more later is much easier than trying to remove it once it’s dried.

4. Let it dry

I like to wait overnight before I add more Green Stuff on top of something else or use glue on it, just to be sure that I’ve got a completely dry putty to work on top of.

What can I use Green Stuff for?

Anything, really!

Well, okay, not anything. But there are essentially two main things a beginner could use Green Stuff for.

Filling in Gaps

img_4490Despite their generally high quality, sometimes FFG models come with noticeable gaps when you try to glue everything together (I had trouble with the shoulders on both of my Duros Rebel Troopers).

With a little bit of Green Stuff, you can fill those gaps with a smooth surface, then prime over it for a seamless finish. It’s a simple, foolproof fix.

Altering Your Minis

The other, more fun, use is to turn your minis into something else entirely (or just alter them a little). I’ll display a few of my personal attempts below so you can see what I mean.


Above you can see my (just okay) attempt at turning Leia into Boushh with several layers (I’ve got the helmet, a thermal detonator, a bandolier, and I also ended up adding a cape) as well as a very simple conversion to make one of my priority supplies crates look like the Ark of the Covenant.

In the past, I’ve also used Green Stuff to give Luke an X-Wing flightsuit, put horns on Boba’s helmet, and even create rivets on my Pringles can silo.

So, my one last tip for you creative modelers: start small, and work up. Mess with one of your priority supplies crates first, just to get a feel for how it works. Then, try messing with one of your generic troopers – make them a pair of binoculars, or alter their gun. Then, step up to the big leagues and make an alt out of one of your commanders.

Green Stuff is the perfect way to take your hobby up a level, and it’s super simple to use. Give it a shot, be willing to mess things up, and be creative!

Happy modeling, Commanders.

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