Fictional Proposed Quad Engine Jetliner 707-700 CFM Inspired Low-poly 3D model is available on CGTrader for $14.12. Original author: okb1creativedesignbureau. Specs: 66780 polys, 36018 verts.
BLEND (Blender, filesize: 16.8 MB), BLEND (Blender, filesize: 16.8 MB), OBJ (OBJ, filesize: 6.58 MB), FBX (Autodesk FBX, filesize: 2.3 MB), GLTF (glTF, filesize: 6.03 MB), STL (Stereolithography, filesize: 2.41 MB), PLY (Ply, filesize: 3.85 MB), 3MF (3D Manufacturing File, filesize: 576 KB), STP (STEP, filesize: 6.86 MB), ABC (Alembic, filesize: 4.99 MB), X_T (Parasolid, filesize: 3.95 MB), IGE (IGES, filesize: 12.8 MB)