I currently have a modified MPCNC that is about 4’ by 2.5’. See the photo below.
While building the LR3, I put it into the MPCNC enclosure just to keep it out of the way while I clear space in the shop. Interestingly, it’s almost the same size. So I’m considering making a short rail system for the LR3 to ride on, and replace this existing MPCNC (and rebuild it to the original size).
One thing I like about the MPCNC is that it cannot lift off in the Z direction. I’m told there is not much resistance in the Z direction and the weight of the LR can overcome the force, however in a bench configuration, I’d really like this short axis to be positively connected to the table.
My thought is to add a truck system like the MPCNC, but oriented 90 degrees facing out. This would be bolted to the LR3 XZ plates. This would ride on rails similar to the MPCNC, except the rails would be independently bolted to the table - like a horizontal version of the LR3 table rail.
I’m still pondering the details, but this would provide lateral and vertical support.