First thanks to Robert Hayward who made one of these a few years back and was very helpful in the design and welding.
I've always drooled over the Lock Lift 'N Roll at Craft Supplies but couldn't stomach the roughly $450 to my door price. I put load leveling casters on my lathe instead but don't like getting on the ground to adjust them nor do I like the way they raised my lathe at least 2" (I'm 5'10"). Thought "I could make this myself." Design is a little trickier than one would think. I used Robert and my 2-D drawing program to mock up pieces out of wood to make sure it would work. I have never welded before (well maybe a bit in 8th grade but I'm 61 now). I planned to save money by getting an $80 HF welder and buy the materials. The materials including fasteners and casters was a little less than $100 but the HF welder wasn't going to cut it so I eventually purchased a Lincoln 180 welder (and a few other things). The welding vortex is just a bad as the turning vortex. Anyway it works better than expected and I picked up another hobby. I got much better at welding as I practiced. Some beads still not that great but the black paint hides the welds pretty well:
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