Keep in mind that you need a faily plane surface. A machined aluminium plate would be a good start. And by all means, do use linear rails, not rods. And do not forget the enclosing, you'll need a heated interior, too.
Keep in mind that you need a faily plane surface. A machined aluminium plate would be a good start. And by all means, do use linear rails, not rods. And do not forget the enclosing, you'll need a heated interior, too.