original: it was designed to be easier to use than other 3d cad programs .
simplifications: it was designed to be easier to use than other 3d cad programs . it was designed to be more comfortable to use than other 3d cad programs . it was designed to be easier to use than other 3d cad programs . it was designed to be easier to use than other 3d cad programs . it was designed to be easier to use than other 3d cad programs . it was made to be easier to use than other 3d cad programs . it was designed to be easier to use than other 3d cad programs . it was made to be easier to use than other 3d cad programs .