Well the Hoth soldiers using the saber as a hammer would certainly explain the warped V2 emitter. As far as I understood that is a seam line and the entire emitter spun on a rod that attached to the motor. If you watch the video from Pop Culture Quest, Brandon spins the entire emitter at that exact point when Mark Hamill is holding the hilt as they talk about the mechanics of the "special effects saber".
Ooh!! Your talking about the recess! I thought you meant seam line as in a mark from casting
I got ya now!
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