The rectangular frame is "Rubberized" (model 6116) STL model of the original rectangular shape with a slotted, air pattern. The thematic selection of STL models for decorative work and creating mirrors to decorate the interior. All models in STL format for ARTCAM, for the MACH3 code, for the NC Studio program, 3D for the CNC of milling machines running with wood, plastic, foam. These designs are optimized for use both on CNC machines for home use and on industrial CNC machines.