About this 3D model
Tool to mensure radius of sphere. http://en.wikipedia.org/wiki/Spherometer Formula for this tool is (from polish wikipedia): r=(R^2+h^2)/(2*h) where r-sphere radius [mm] R-tool radius [mm] (30mm) h-mensurment [mm]
Tool to mensure radius of sphere. http://en.wikipedia.org/wiki/Spherometer Formula for this tool is (from polish wikipedia): r=(R^2+h^2)/(2*h) where r-sphere radius [mm] R-tool radius [mm] (30mm) h-mensurment [mm]