Interface design offers a range of systems for inspection of components. Low cost automation has helped in lowering the cost of inspection, where typically users must use expensive coordinate measuring machines to inspect components. The inspection needs of users can be fulfill by eliminating the 3rd axis, and using a lower cost high-tech dro. The inspection systems include 2 linear axis [x and y] mounted through linear bearings - a fixed probe [pointer] is fixed on a 100-mm travel z axis. The x and y axes have linear scales or rotary encoders placed on them. The system can be placed on any existing surface plate. The slide unit with a fixed probe is moved and the user records point co-ordinates through the dro. The dro facilitates to compute distance and radius. Special programs for automatically measuring centre distance between 2 holes are also given. These are available with sizes of 300 x 300, 600 x 300 and 600 x 600 mm with an accuracy of 20 microns through linear scales and 75 microns using rotary encoders. It finds typical applications in profile checking for panels, sheet metal parts, plastic components, engineering and automobile components.