Rectangular frame "Four Angles" (model 6104) STL model of an original rectangular shape with a simple symmetrical pattern and round button inserts in the corners. A selection of models in STL format for decorative work and creating mirrors to decorate the interior. All models in STL format compatible with ARTCAM, code generation for MACH3, for the NC Studio program, 3D for CNC milling machines running with wood, plastic, foam. These models can be used not only on CNC machines for home use, but also on industrial CNC machines.