Garage Tire Tower Tool Table:
4 tires
1 sheet 3/4" Plywood
2 circles @ 30" Base
1 circle @ 36" Tabletop
6 wheeled castors + 4 lag screws each
3 screw eyes @ Base
3 bolt eyes w/2 nuts & washers @ Tabletop
3 6-ft ratchet straps
bolt eye & chain on top optional
You get a few good shelving pieces left over plus some quarter circle leftovers for shelf brackets