Monoprice Mini Z bracket reinforced

The original bracket was very nice, but it is not very solidly attached, due to all the attachment screws being on a single side of the stress point.

So I added a bit more material to mount to a hole on the other side as well.

Edit:
I added two more files to support additional bracing at the top. In the pictures you can see these parts in black. The vertical only bracing was not stiff enough for my taste. Both rods are 6mm. The screws I used are M3x0.5x13mm.

On my printer the holes pr