Rectangular frame "Simple" (model 6094) STL model of a thin original rectangular frame with a very simple, uncomplicated pattern and closed back. A selection of STL models for designing paintings and creating visual accents for decorating rooms. All models in STL format for ArtCAM, for the MACH3 code, for the NC Studio program, 3D for the CNC of milling machines for wood and plastic. These models are ready for use both on CNC machines for home use and on industrial CNC machines.