This is 3d model of Tuttlinger, DerInstrumentenmacher sculpted 3d printing. It IS MADE USING BLENDER tHERE IS TWO TYPE OF FILES ONE IS STL AND OTHER IS BLENDER. iF YOU NEED ANY OTHER FILE TYPE YOU CAN CONTACT ME ON ''LINKED IN'' ITS LINK IS GIVEN IN MY ACCOUNT. iF YOU WANT ANY OTHER 3D PRINTING MODEL MESSEGE ME ON LINKED IN OR CG TRADER.