40mm fan holder for 2020 extrusions

This fan holder should work with any kind of 2020 extrusions. If you need flexible cooling adjustable to any position on your printer, this could be your choice. The holder feets the 40mm fans. Attach it to your frame using m4 screws and rectangular nuts. You also need some 10mm m3 screws and nuts to connect the parts. The fan frame is for one or two fans (file:dbl)

Print with PLA or ABS
30% infill