spla print parameter test and config file improved —

Founded spla print parameter test and config file improved models & stl files for printing
Original IQ Test
Dylan Klaver
Stringing Tests
Cathy O'Malley
Clearance Tolerance Test
Breaks'n'Makes
Bend test
Combinacijus
9 point bed test
Cobwebblox
Adhesion Test
Raynus
Prusa Test Cube
Pruznak