Are they any articles/link on this? I 've come across forums that say that the stepper motor drivers and determine the noise level of printers, also it depends on the current, Lower the current the quieter the printer. Is they a formula, for a stepper motor, stepper motor drivers, current drawn and noise of the printer?
Foam
Some companies/amateurs used foam in the enclosure design to cut down the noise just wonder what type of foam do you use?
Printrbot upgrade
Have anyone replace the custom Printrbot board with the open source RAMP and use different stepper motor drivers to cut down the noise level on a Printrbot?
Makertech 3D
Is anyone using Proforge 1 by Maertech 3D, just wonder any feedback/review on the product?