In this machine the calibration of the gemstone were can do. That is the final shape and size will be done. Here in the machine we can set the masterpiece and the required shape gets as according to the master piece like if oval master piece then we get oval piece.

Initially the work piece(gemstone) will affix to the drops by using araldite adhesive and  the drops will heated in the dropping stand so that the work piece will fix properly.  Then the work piece  will be fix to the colet of the calliberating machine which will then caliberates the workpiece according to the master piece.