How to Make a Sculpture Stand Up: Armature. Uses Apoxy sculpt N See more. Polymer Clay Figures, Polymer Clay Dolls, Doll Eyes, Doll Tutorial. If you're clay person can't stand up on its own after you attach the legs, there could be a balancing issue. You can always make the legs thicker. Life in Miniature: Model Railway & Diorama Figures + Join Group I was wondering how you get your figures to stand up? Did you use some.