This is a small modification of the original bed of the Daemon 3D printer, adjusted to fit a T8 lead screw instead of M5 nuts/rod. Lead screws are definitely more expensive than M5 rods but also are smoother and more accurate. A 200mm long lead screw fits great and you can find it for like $4 along with the brass nut.
Edit: I found that the original version of the bed was wobbling a bit more than what I am comfortable with, so I designed a reinforced version. It is overkill and will consume about 250-300 grams of plastic but it does not wobble. The reinforced version also has slots for 8mm springs for smoother bed leveling.