Printbot LC 50mm Fan Mount

by CursedMagician, published

Printbot LC 50mm Fan Mount by CursedMagician Jul 13, 2012
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8591Views 1377Downloads Found in 3D Printer Parts


Clip on mount for 50mm fan utilising the holes in the LC's extruder mount. This has already made my prints look much nicer.

I may try to shift the angle although it does appear to be working quite well.


Print and clip on to front of printer, you will want to make sure that any overprint is filed off as there is not much tolerance, its done to be a tight fit.

Please check that the distance between the outside of the hole on the extruder assembly and the surface is no more than 5.5mm, if it is you will need to change the hole2Front variable in the SCAD file.

This is designed to take a 50mm fan, you can play with the SCAD file to adjust the sizes, if you need help feel free to ask.

Version 2
Arm thickness reduced to 2mm, also the pins have been reduced by 1mm in thickness. Adjusted extruder clearance size which provides added flex in the body for clipping on.

Please don't fit the fan until after clipping on the mount, and ensure that your fan wire is running over the top.
It is easier to clip the mount in on one side then push it home on the other side, if the fan is attached this makes the body much more ridged and difficult to attach.

To remove the clip, you can pull the clip from one side and it should pop off relatively easily.

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Took a while for me to figure out how to get my prints to stick to the bed again (abs and pla). I got the fan on max 45% power and bed up at 100 all the time. This on a LC printrbot with kapton tape. I used the circle test print and the tough version of the tweezers from here http://www.thingiverse.com/thing:25587http://www.thingiverse.com/thi... .

cross tweezer
by joo

amazing job! just printed one out for my printrbot + and it snapped on with zero cleanup. Also, thanks for making it parametric. I tweaked the fan size to fit what I had and it worked flawlessly.

Printed clean comes off and goes on fairly easy and still feels secure when its on.

Good work.

thank you. I've been too lazy to make this one myself!

Tried it. On my LC+ I couldn't get it to fit without disassembly. I'm not sure if that was intended but it defeats the "clip" notion of the thing. I ended up tweaking it enough with a pair of pliers that it works but I'll need to print another one for long term duty. I'm going to measure my carriage and post the sizes here. The 50mm hole spacing on the other hand was PERFECT.

Sorry to hear it was problematic for you, It is certainly a tight fit, but My one went on without too much of a struggle. I will take it down now and adjust the design to make the fit easier. :(

Talk about super crazy cooling!

I finally managed to get my PB printing after getting all the belts tightened correctly and the bed levelled etc, I was just too scared to take it apart again to fit yours so thats why I did it this way.