Rajasthan Tools & Spares offers Multiple Shape Reproducing Calibrating Machine. Rajasthan Tools & Spares also offers faceting machine, drilling machine etc. Multiple-Shapes Reproducing Calibrating Machine is equipped with one motor that reproduces the shape of all gems stones: Oval, Round, Square, Octagon, Heart, Pear Marquise, Trillon, Six Corner and Eight Corner etc. The Multiple-Shapes Reproducing Calibrating Machine has various cams that help to obtain the true shapes. The diamond Lap Plate of 8" is used for grinding. The stone turns automatically with the help of Motor.