About this 3D model

Three small rocks to complement the Architech: Plants & Trees - 3D Modular Terrain STL Kickstarter https://www.kickstarter.com/projects/arctanis/architech-plants-and-trees-3d-printable-modular-terrain-stl Late Pledges Available:https://www.myminifactory.com/campaigns/architech-plants-trees-207