He3d K200 Heat Bed Adjustable Sprint Mount

The HE3d K200 has a small piece of acrylic that mounts to the corner frame and receives the adjustment bolt. The design leaves a little to be desired. While this modification is not perfect ( a better one would probably attach to both side of each corner piece ) I do believe it is better.
The source thing has a recessed hole, space for a 4mm washer, and a recessed hole for the 3mm nut.
The changes for this design include correcting the distance between holes (mounting to adjustment) to w