I cleaned up the left panel a bit. no more sanding needed to get the top to fit. I also edited the right-side panel to copy the left. I have not...
realized i uploaded a test print for the spacing. This should be the right one. sorry if anyone printed the other file.
It's not perfect but it works. hope this helps someone. I don't have a way to scan the old panel, so this was all measurements and cad. It took a...