I have v19 Platinum. Also I was just on the phone with Travis on another matter.
As to your solutions, I'm not sure they are helping, so I'll describe what I'm doing. I have Plans that allow me to print a 2D version of gears with the intent on cutting them from wood. To get the 2D drawing into TC, I input the gear profile as a picture, and then I traced out one tooth with Beziers. Then I do a Radial Copy. Then I need to join all those teeth, 42-teeth to be precise. I found that Exploding the beziers into polylines is not precise enough to allow the start of one tooth to match the next. So I had to edit the first segment and snap it to the last tooth, delete all the other teeth, then radial copy the corrected tooth, and then join all the teeth, then convert back to curves. (Whew!)
Then (!) I began thinking: Why not use the TC Trace Command? Upon discussing this with Travis, I was informed that my 64-bit version does not have the Trace Command, so I need to get the 32-bit version of TCv19 installed.
Does anyone know if the Trace command has the required precision for my Gears?