Medieval boat- kollereup kogge 3D model is available on CGTrader for $7. Original author: DoublePrism. Specs: 23441 polys, 24600 verts.
FBX (Autodesk FBX, filesize: 2.47 MB), BLEND (Blender, filesize: 1.39 MB), TEXTURES (Textures, filesize: 144 MB), OBJ (OBJ, filesize: 642 Bytes), PNG (PNG, filesize: 144 MB), STL (Stereolithography, filesize: 873 KB)