3D printer upgrades

Completed upgrades

• Upgraded adjustment wheels for bed leveling for finer control and better grip. These attach to the stock wheels on the printer.
• replaced stepper motor drivers to eliminate "screaming noise"
• added bl-touch clone for improved print quality
• replaced hotend cooling fan with quiet noctua fan

Planned upgrades

• replace mainboard and stepper driver cooling fans with quiet alternatives
• replace x carriage with custom design