6 different chimneys with realistic 4096x4096 PBR textures. The shots rendered in Unity with Unity particle system. This Unitypackage also available.
FBX (Autodesk FBX, filesize: 2.25 MB), UNITYPACKAGE (Unity 3D, filesize: 466 MB), TEXTURES (Textures, filesize: 601 MB), GLTF (glTF, filesize: 379 MB)