DHC-6 TWIN OTTER Low-poly 3D model purchase 3D model is available on CGTrader for $39. Original author: kastaniga. Specs: 3150 polys, 6900 verts.
MAX (Autodesk 3ds Max, filesize: 497 KB), OBJ (OBJ, filesize: 270 KB), FBX (Autodesk FBX, filesize: 1.23 MB), MAX (Autodesk 3ds Max, filesize: 497 KB), C4D (Cinema 4D, filesize: 167 KB), MA (Autodesk Maya, filesize: 422 KB), DAE (Collada, filesize: 229 KB), DWG (AutoCAD, filesize: 192 KB), 3DS (3D Studio, filesize: 75.2 KB), STL (Stereolithography, filesize: 114 KB)