I have a problem I've not seen discussed. Every time the printer completes a layer with PrintCore 2 and raises it, it makes this loud squeaking/squawking sound--almost sounds like an evil laugh. I'm attaching a short video of this.   I had noticed something similar after a while of printing PVA support with a BB core. Then I started using Breakaway with an AA core and the sound went away for a while. Now it's back.   In neither case did there seem to be any problem with the p