In this video I routered an area to install a sacrificial square to use on the pillar drill bed.  It also allowed me to make an recess which could sink the drum sanders into.  This would have been a lot easier to do on a router table and I don't feel like I did a good job but off-screen I added some tiny screws to the corners which allowed me to adjust the inserts fit.  You can also see that I managed to router the tips of the aluminium inserts nuts.  Another alternative would have been to trench cut the board on a mitre or table saw. 
If I ever had to make a cutout plate, I'd try something different. I would want to try making the cutout plate a diamond. Well, just a square turned 45 degrees, anyway. Just so your sharp-edged stock wouldn't be as likely to catch if your plate wasn't perfectly level.
Good idea, well done.

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More by savvas_papasavva:Replacement Pivoting Mitre Saw Base Embedded USB Pen Stick in Clear Resin  CNC Cut of Picasso's Guernica / Infilled with pigmented epoxy filler  
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