Attempt to reduce back panel vibrations and resonance using a design based on the design of Stockbridge dampers
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updated October 10, 2023

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This is an attempt to reduce noisy back panel resonances for certain print head speeds.

The design is based on Stockbridge tuned mass dampers https://en.wikipedia.org/wiki/Stockbridge_damper

Purely empirical with zero quantitative theory behind it. It reduced noise for my printer some, so if you have the same problem, it might be worth a try.

The center hole is sized to be a somewhat tight fit for a M4 bolt, the side holes are supposed to be tapped with a M6 thread. May need to clamp while tapping to prevent layer separation.

Add some random M6 bolts for added weight.

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