Shopping cart weathered stack v1

Shopping cart stack 3d model rendered with Cycles in Blender, as per seen on attached images. The model is scaled to real-life scale. File formats: -.blend, rendered with cycles, as seen in the images; -.obj, with materials applied; -.dae, with materials applied; -.fbx, with material slots applied; -.stl; There are two sets of files, one with the stacks of trolleys, and one with single trolleys. Files come named appropriately and split by file format. 3D Software: The 3D model was originally created in Blender 2.8 and rendered with Cycles. Materials and textures: PBR material is being used, consisting of five 4k image textures (Base/Disp/Metallic/Normal/Roughness). Certain 3d softwares can possibly need texture re-assigning in order to get the proper material effect. Preview scenes: The preview images are rendered in Blender using its built-in render engine 'Cycles'.