Renkforce RF100 Part-Cooling duct

I found the available fan-attachments for the RF100 take up to much space around the printhead, and also sometimes don't produce enough airflow.

This cooling solution utilizes a radial fan design and can be attached to the printhead using already existing screws on the sides of the head.
It adds just about 15mm of depth and about 8mm of width to the printhead, so you can still extend the RF100s 10x10x10cm print area a bit if you like.

Warning: The Design in it's current state might move to much air towards the hot end, especially during the first 5mm, make sure to start the fan after the first 5mm z are printed.

Print instructions

• After printing and getting rid of support materials, unscrew the screws on the front and bottom of the printhead(behind the heaterblock on the 45 degree angle part), then attach the duct to the printhead using the two screws you removed earlier.
• Attach the blower-fan (I use a Delta 5015 compatible model) and secure it to the printhead using either tape, or the provided mounting brackets.