i rendered this telephone in autodesk maya, my preferred 3D computer animation program. the phone needs a lot of cleaning up. the cable is only partly visible, there are artifacts all over the place, including that odd object in the air.
the process was this: i put the real phone on a stool which i could rotate. i shot 129 images from different angles.
then i fed the photographs into the autodesk app “recap photo” and got this result:
recap offers several export options, for example obj. here is a rendering using a standard shader in maya, the same as in the image at the very top.
in maya, when you apply the complex texture image which comes with the 2D/3D process, the mapping is perfect, but details are missing:
finally, i exported the 3D data as STL, which is compatible with wikipedia. you find it there now.