1. Jan 3, 2020 #1
   

   Northern Sign Co New Member

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   Apr 18, 2016

   Michigan

   Hello all, this is my first post and I thank you in advance for any advice you can offer. I've been given the responsibility of running our CNC router due to the previous person leaving the company. My question is, what is the typical amount of relief to take off of channel letter backs to ensure a good fit for the faces once the backs are wrapped? I hope I'm explaining this well enough. Thanks again for any advice.

    

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2. Jan 3, 2020 #2
   

   Z SIGNS Very Active Member

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   Feb 14, 2009

   Trenton NJ

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   1/8" works for me

    

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