Here is a simple, inexpensive, yet effective way to build a table to support, your Comet, Meteor, or Asteroid
Start by cutting two 45's on the 4x4 legs. Then drill holes and pound 5/16 tee nuts into them. Then carriage bolts allow you to level the table. 1x4's complete the frame and MDF provides a nice smooth surface to support the machine.
Here you can see the detail of the feet.
Here is a shot of our test rig.. You can sometimes find monitor arms on eBay like the one we are using.