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I stuffed up.. In a rush trying to get another 100 odd ring boxes done I didn't notice that my new filament in the 3d printer melted a little easier than the previous lot. For any who have not seen the post on "How I make Wedding ring boxes" check it out.- Anyway the result is I got over 200 hundred boxes that are splayed oversize where they touch the hot plate. This pic shows what I mean I think- Sanding them all down by hand with my normal clean up tool was going to take at least a couple of days not to mention a lot of Oh golly's and gosh darn its. I got to thinking about a spare sewing machine that I recently put on a servo motor and if I could do something with it. I didn't want to totally dismantle it or spend too much time on it either so I just clamped it to the side of the machine as shown. Once I got the pulley off, I saw that it had a key way so I decided I'd just print up a holder for the ring cup. One piece so I could get it down to sit on the bearing and another piece to go on top and have enough room to bolt down. 1/2 hour to draw and 1/2 your to print. Note: that I used some bicycle inner tube to have some method to apply outward pressure and some masking tape to get the cups on and off quickly and easily. Using the edge of a steel ruler it shaved the lip of nice and easy A little sanding and she is BEAUTIFULLL I am sure that these could be used very nicely as vertically or horizontally mounted burnishers, sanders, transporters and just a whole big heap of other stuff. If you've done anything else with one of these motors please feel free to put them up on here. Brian