I took the flex foot (J) model, stretched it a bit and made the opening slightly larger with a cap on the top. This gets fastened underneath your table for the legs to go through and bottom out on.
I cut my legs at 6.5" but won’t need the extra clearance right away, so this lets me drop my legs through the table about 2 inches and if your legs are even, you can just let them hit the bottom and tighten it up.
My small addition. Just zipped and submitted to this forum for now Ryan, as I know you like to keep your models under wraps to avoid shitty parts being distributed. I have not printed one yet (still doing my cable chain) so whether it works or not is yet to be seen.
MPCNC-under-table-leg-extension.zip (170 KB)