I did a few upgrades on the CNC to make it more rigid, but the gantry still isn't rigid enough and has some wiggle. The y-axis pipes (longest axis) were replaced with 8020 beams and v-groove bearings. The z-axis was completely replaced with a metal one from eBay that is completely rigid. However, the gantry is just too weak and the left and right sides of it can move back and forth.
In general, however, the CNC is much better and I used it to cut out fins for other TARC teams' rockets.
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