AT-43 is a miniatures wargame, and though it comes with pre-painted models, you can always tinker with those or even use models from other manufacturers than Rackham.
Reinforcements for the U.N.A.
The ONI Heavy Battletank has a serious problem with it gun falling forward and taking the turret off the model. Here's a fix for that issue.
Although there are game statistics for the Kraken golgoth, there is no model available for it. This article shows how to build one.
There are simple variants of the Therian type ★★ combat striders, but not of the type ★★★ golgoth. If you have two of these models, you can have three!