As with anything DIY, proceed at your own risk. This is a proof of concept post.
Just take your time and wear the proper safety gear.
First of all, this does not take big chunks out but shaves off very fine shavings.
Secondly, advising someone not to DIY something seems a little odd to me. Would you also advise against someone working on their own car? Or maybe using any power tools at all? It's very easy and quite frankly, if someone is going to take an eye out or lose a body part doing something like this, they're going to at some point in their life, anyway
The amber corner trims are solid amber, so this will not work on them.
Here is a picture showing the difference in height between the corner trim and the new turn signal. This is barely noticeable in person and if you didn't know what I had done, you would never know the difference.
Of course you could always taper the edge of your new clear corner trims so that there is a smooth transition between the two
