Saturday, May 25, 2013

All for love

When they when you are in love you can do just about anything, I never thought it might get this far...
An engineer created a unique ring for his girl all in the name of love:

This is his story!!

Once upon a time, a boy met a girl. Then a short amount of time later, the boy decided to design and build a ring for the girl, because doing things in the most complicated way possible is just what he does to show the love. This is that story.

It starts off in Jan of 2013 where the idea for the ring was refined to what will ultimately be the final form. Several designs were considered and were rejected because of exotic material requirements, machining geometry limitations or violating the laws of physics. It was a fun exercise to explore potential and unique designs, but at the end of the day, I still needed to make her something that I could present and that didn't look like it was carved with a spoon.

The final idea was to embed a LED and copper coil assembly inside the titanium ring, illuminating it from under the stones when it was in close proximity to an induced alternating magnetic field (henceforth called 'the transmitter'). Autodesk Inventor helped me develop all of the dimensions and constraints for the design. Having some help, I was able to obtain her ring size and the rest of the measurements were based from there.

So, the original plan was to present this ring to the girl, then take her to a professional jeweler the next day to pick out something more permanent. Well, she insists that I change the design on this ring to make it more permanent and forgo a professionally made ring. There was a small hitch with the ring as shown above. Due to a small miscalculation, the internal diameter is now about 15.6mm, which is a really tight fit for her 15.72mm finger. I was able to cut a new ring and mount the remaining stones for a more comfortable fit. So in the near future, she will be wearing this ring while I work on a permanent design.

What would you do for the one you love? Please share!!!

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