$10 Douglas DC-3 3D print model 3D model by airplane3d. Available on CGTrader. Check it out on CGHub.
STL (Stereolithography, filesize: 624 KB), OBJ (OBJ, filesize: 722 KB), FBX (Autodesk FBX, filesize: 499 KB), MAX (Autodesk 3ds Max, filesize: 608 KB)