Adjusted the file to fit my EZT3D T1 printer to stiffen the base of the printer.
Some minor filing may be required for the left front support to allow for the edge of the power cable insert.
Many thanks to the following designers:
I did drill through the side of the supports and added a long screw. This hole I havn't added to the design. A future adjustment to the design i'm considering is to straighten the back edge to allow for an additional screw up higher, as power cables run up the front making the front screws unusable from the original design.