RF100 Dual Fan Bracket

thingiverse

This extension enables you to use two axial fans to cool printed parts, a crucial feature for 3D printing enthusiasts. The RF100 Fan Bracket is an essential component of this design, so make sure to include it. Please note that the small clip holding the connector on the side of the housing is not part of this design. The fans used are 12V axial fans commonly employed in 3D printer part cooling systems and can be powered from either the extruder cooler's feed or a separate 12V supply. It's worth noting that excessive cooling can negatively impact first-layer adhesion to the print bed. Inserting a switch into the fan power feed to disable the fan during first-layer printing is highly recommended, as the RF100 was not designed with part-cooling fans in mind and lacks an easy connection point on the controller board. In my setup, I've incorporated a PWM controller and a switch to control when and how fast the fans spin. This feature is particularly useful for printing PETG, which requires higher temperatures than what the RF10 can maintain under full-force cooling. The extender part can be printed as a single unit with its base flat against the build-plate. The RF100 should have no trouble printing the chimneys in this orientation. Alternatively, you can print the top bracket and two clips together without special setup or orientation requirements. To secure the fans to the top plate, use M3 bolts. A 50mm long M3 bolt is required for the top bolt, while a 60mm long one is needed for the bottom bolt. Note that an M3 bolt should be equivalent to a US #4 or #5 bolt.