cast iron skillet Model 3D

cast iron skillet 3d model, I have provided 5 files first one is the blend file which is the native program used. I have also provided an collada, fbx, obj and an stl file. the model has a poly count of 18385 blend file is ready to render subdivision level is adjustable preview images are all rendered using blender cycles using blender 2.79. quad based mesh preview images were taken during the creation of the scene texture resolution: 4096 x 4096 includes: normal, albedo, roughness textures use pbr workflow uv islands are seperated and non overlapping