MP Select Mini Side Cooling Panel Mod

by FDM_Guru, published

MP Select Mini Side Cooling Panel Mod by FDM_Guru Aug 10, 2016
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This is a replacement side panel for the Monoprice Select Mini (Malyan M200) 3D printer. This is particularly useful for those who operate in high ambient temperatures, those who keep their printer in an enclosure for ABS printing or anyone who has added a compact power supply inside the main housing to replace the external one. If none of those conditions apply for you, this is probably overkill...but it looks cool ;-)

For those with only a Select Mini, the panel is printed in two pieces, and held together by dovetail and the fan. For those with access to a larger printer, it can be printed in one piece. In addition, there is a fan grill to protect the blades and your fingers.

Here are two 40x10 fans I would reccomend:

MAJOR UPDATE: There was an error in the USB/SD port locations, apologies to anyone who already made one! ( Thanks to Katostrofik for catching it )

Update 1: Added DWG for anyone who wants to lasercut it

Update 2: Made the Split version easier to print flat on the Mini.

Update 3: Added passive vented version for those who do not want to add fans.

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Hey wanting to make this, does the passive cooling panel help enough? or should i really just go with the fans? Thanks!

I would say a reduction of 40 degrees Fahrenheit. It got hot so hot that the processor would slow down so much that it affected the speed of the printer head. Now I have no issues with over heated CPU. And have NO issues with it blowing onto the print.

i printed this thing and 2 fans are overkill plus if you put a fan above the sd card slot its really hard to take it out with your fingers

I agree. They do have an extension cable that allows you to dock with the card slot. But no idea on the data speed and corruption it possibly would have. But cooling my hot CPU was priority. And overkill with 2 fans? Possibly but haven't had a power drain issue yet. Cross that bridge if it happens.

Thanks for this design and the fan link. I am using the original Left hand plate seems more rigid, no engineer yet and transposed the 2 section print to cut out the metal and align the fan holes! Dumb question where do the leads wire up to? Does anyone have a parts diagram for these Mini's?

Join the Select Mini Facebook group, there should be some board related information in the 'files' section.

Thank you for the guide, did will do more digging.

I'm totally new to this and have a question. I bring it up on slicer and rotated it to lay down and I notice the "Generate Support" is ticked. I printed this and it made a solid thin layer then the actual print on top... Does this need support under it,, and am I suppose to cut the vents and screws out? Or can I just print it straight to the masking tape?

so, nevermind... that layer just peels right off... looks great. Thanks for the stl!

I'm guessing this could fit on either side but could you make a version of this without the USB and MicroSD card slots? For the left side of the printer.

Any improvement in WiFi range with the printer after replacing the steel side panel with plastic?

I have not been using the wifi recently and I'm a few feet from my router anyway, but perhaps someone else can chime in with their experience.

I made it 30% thicker and the stock screws are still long enough.

Good to know!

What size fan is this for?

Possible i messed something up with the scaling, but the front half of the passive version i printed yesterday fits fine, screw holes line up perfectly, however the usb / micro sd don't, they're 5mm too far forward. I see theres been new files posted since i downloaded mine so perhaps this has already been dealt with?

It has been, sorry to make you print twice!

no worries! just glad it wasnt something i did haha

The larger piece of the split design is showing as too large for the print area of the Select Mini.

Looks like it's 132.81mm compared to the Select Mini's print area of 120mm.

Hmm, I thought I was able rotate on the MPSM build plate and fit diagonal. If not I'll shift the join line and update.

Ah yes, if I try to print it vertically and rotate the Z-axis by 45 degrees it will fit. I was trying to print it flat since I tend to get better results like that with large openings in a piece.
I could try it like this, but it would be great if you could adjust it a bit so that it can be printed flat. I'd certainly appreciate it! Looks like an awesome design! :-D

Alright, the parts are updated :-)

Awesome! Thanks so much for doing that. Going to print them out this afternoon. :-D