World War I Soldier Low-poly 3D model is available on CGTrader for $2. Original author: merzifonmodel.
STL (Stereolithography, filesize: 925 KB), OBJ (OBJ, filesize: 4.59 MB), GLTF (glTF, filesize: 4.37 MB), FBX (Autodesk FBX, filesize: 5.69 MB), BLEND (Blender, filesize: 5.16 MB)