GK modelers represent a tiny but growing part of the anime-rich dA community. Their work spans many genre of art medium, from traditional art (e.g., scratch-build anime sculpts) to arts and crafts (e.g., custom dolls) to photography to photo-manipulation, to name a few.
What is GK?
Garage kit is a term referring to the niche, cast resin models that are made in small quantities, often by hobbyist in his/her garage - thus, the name sake, garage kits. The subjects of GKs are diverse, from anime to realistic-looking models to animals, and even mecha. The focus here is the anime figures. Below is a picture of what a GK look like:
(this example is actually made from two GKs, but thats another story
Please Dont Call Them Dolls
Anime GK modelers interests are as diverse as there are numbers of different anime/manga from Japan.