Simple triplane airplane, it is presented in the format: json for THREE.js, a binary file fbx v7.4, gltf and glb according to the GLTF, obj, stl specification suitable for 3d printing on a printer.
STL (Stereolithography, filesize: 88.3 KB), OBJ (OBJ, filesize: 128 KB), GLTF (glTF, filesize: 310 KB), DAE (Collada, filesize: 316 KB), FBX (Autodesk FBX, filesize: 109 KB)