wood corner fireplace 3D model is available on CGTrader for $35. Original author: zifir3d. Specs: 15000 polys, 21000 verts.
OBJ (OBJ, filesize: 2.19 MB), 3DS (3D Studio, filesize: 1.05 MB), FBX (Autodesk FBX, filesize: 1.33 MB), MAX (Autodesk 3ds Max, filesize: 1.61 MB)