I didn't like how the scratch built undershirt looked so I bought this turtleneck on eBay for $8.00, looks much better.
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I was also able to modify both arms today. I didn't get the angles exactly how I wanted, but I still like how it turned out. I made a few adjustments to the robe and moved him upstairs.
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I used the lightsaber from my Luke X-wing pilot to test the fit and it worked great. I just need to make a few minor adjustments and I think he's good to go!