About this 3D model

Put together as I'm refitting a manual Sherline mill for CNC use. Note the measurements for screw mounts seem OK but may be off by a few thou. Requires 2 x SFR4 flanged bearings each (plus motor couplers and mounting screws, of course). Tested so far for fit (with bearings), but will be a bit yet before I'm able to test function.