Y-Axis Fan Holder for Fabrikator Mini V1.5

by xythobuz, published

Y-Axis Fan Holder for Fabrikator Mini V1.5 by xythobuz Mar 31, 2016
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I've redrawn the original design in OpenSCAD and modified it to work with 25mm fans. Then I've noticed that it won't even fit the newer Fabrikator Mini V1.5, as there's a new 10mm high bracket directly on the left of the Y-axis stepper motor.

This design is parameterized to optionally disable the new gap to provide a smaller bracket for old V1.0 printers.

Update: (2016-04-02)

The very small arms on the left side in my recreation caused some stability issues after the PLA got some heat from the motor. So I've redesigned this thing again and added a lot more parameters. The wall size has been increased, and most free space is used. The bracket now fits the motor very tightly, but the hot-end is still unobstructed.

Update: (2016-04-05)

Slightly tweaked some parameters and added a slight inward angle for the left arm. This should make the bracket even more stable.

Update: (2016-04-17)

I'm still not quite satisfied with this solution. My X-axis stepper has got some heatsinks and is noticeably cooler than the other motors. So I've tweaked the design yet again and added a big cut out in the front to allow a 24mm heat sink to be put on the motor. I've also added another small cut-out on the right arm to allow for another bracket I didn't notice before. I've also made the right wall slightly thinner, so the hot-end always fits without any friction besides the bracket. The STL without a cut-out is still included. Also, this part won't work properly with the Customizer anymore...

For the full editing history get this thing from my Git Repository.

Update: (2016-04-29)
Slightly tweaked parameters.

Update: (2016-05-31)
Slightly tweaked parameters again.


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Fabrikator Mini










You need to print supports Everywhere, not only when touching the print bed!

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Could you tell me why you change it from 30mm fan to 25mm?
Is there any size problem? coz I have 30mm fan on my hand only.

It's just what I had available. If you really want to use a 30mm fan you can just customize the scad file. But you will have to change some more parameters than only the fan_hole_diameter...

I will give it a try. Thanks!

Thanks for posting this design. It's giving me some fits trying to get it to print properly tho, how are you orientating this object to print? The way that looked the least invasive was on it's side with the open part (rear of the y stepper) facing up, with supports everywhere, that that didn't work out so well.

I've simply printed it as-it-is, with the angled fan-mount on the bottom and supports everywhere. I've printed maybe 10 of these while experimenting and never had any problems like this...

I printed it again standing up as designed and it printed perfectly. I guess I just need to learn to trust my printer and supports better, it just didn't look like that angle would print well.

Thanks for the quick reply, I'll reslice it as-it-is in the file and try to it print again today. I really like the design of this solution much better than others I've seen, can't wait to get this printed successfully and get these y stepper temps down a bit more.
Thanks again!