Original Prusa MK3.9 to MK3.9S Upgrade Kit

The Original Prusa MK3.9 to MK3.9S Upgrade Kit is an official enhancement package designed to elevate your MK3.9 3D printer to the MK3.9S standard. This upgrade introduces a brand-new 360° cooling system, consisting of a high-performance turbine and a redesigned fan shroud. These components have been developed through intensive airflow simulations to ensure that cold air is directed precisely onto the print, resulting in improved print quality and reliability.

Key Features:

• 360° Cooling System: Features a high-performance turbine and a redesigned fan shroud for optimal airflow.
• Enhanced Print Quality: Improved cooling leads to better layer adhesion and surface finish.
• Thermal Management: Reduces the risk of heat-related print defects.
• Easy Installation: Designed for straightforward integration with existing MK3.9 printers.

Product Specifications:

• Compatibility: Original Prusa MK3.9
• Upgrade Target: Converts printer to MK3.9S specification
• Firmware Requirement: Latest firmware version recommended for optimal performance
• Printing Requirement: Printed parts required (not included; STL files provided)

This product includes:
• Prusa Nozzle brass CHT - 0.4mm
• High-performance 360° cooling fan and fan shroud
• Nextruder parts (including PCCF printed parts)
• Wi-Fi board and NFC antenna
• Cover for xLCD and Nextruder cover
• Silicone cover for heatblock
• Fasteners and other accessories