Monoprice Mini Delta IIIP V1

[merlin wizard]

Hi Group Members

I have lost my sd card for my MPMD 3P V1 and I am hoping someone might have a copy of the files I need to get my printer working etc. 

Many Thanks in advance

[Kurt A 3d]

Can you include a picture of the printer.  I fear all Monoprice printers are named iiip.  I have one, and it it matches yours maybe I have what you need.

Kurt-A

[Kurt A 3d]

Merlin,

I have a different Monoprice IIIP :-)

I have not run it in years.

Most likely you just need a blank formatted SD card, probably a small amount of data one.  Lots of modern cards are too big for older hardware.  If this happens there is a workaround. You have to specially format the card and partition it so that you THROW away most of the space.  

https://monopricesupport.kayako.com/article/45-mp-mini-delta-3d-printer

In anycase, the printer should have the software it needs to run on its firmware.    In order to slice files for this printer you will needs a slicer.   Monoprice suggests CURA.  I used to use simplify 3d which I configured by copying the settings from CURA.   Today I would suggest useing orcaslicer  ( I am a prusaslicer user).  In anywise the above mono price link (I have not verified if this is a safe link) seems to give directions on how to download cura.

The slicer will let you take .stl files from places like printables.com and www.thingiverse.com and slice them for your printer.

In order to print on my mono price I would have to remove the SD card from the printer, put it in my PC and then copy the file over.  then unmount the card and move it back to the printer (do this with the printer off). Then with the printers interface I could find the sliced model (gcode) and select it to print.    

I didn't do that that much - instead I got a raspberry pi and I installed https://www.orcaslicer.com on it.   I attached that to the printer (mine still needed an SD card installed for this) and using prusaslicer or simplify3d or orcaslicer I could send files to the printer as though it was a modern printer over my houses internet.     

Things I did not like about my mono price: 1) the bed leveling was awful and if you looked at the printer and blinked it would get out of tram.  2) orcaslicer would tell me that that the firmware on my printer did not have thermal runaway protection and should be updated 3) the stupid printer was designed with no easy way to update the firmware. 

If you want to use your mono price fine just keep an eye on it.   HOWEVER I STRONGLY RECOMMEND AGENST SPENDING ANY $ ON THIS MACHINE.  You can buy a MUCH MUCH better machine today for less than $300, actually depending on its build volume LESS THAN $200.    

If this is a starting point for 3d printing you may decide you hate 3d printing because of this printer.   

It is not just its age.  My Son's MAKERGEAR M2 is also OLD, but much more solidly built and a better printer.  BUT EVEN THAT I question what we will do when the nozzle wears out :-) 

Kurt-A 

[Bryan Eckert]

Kurt if this thing is like my old FLSun deltas, the firmware is on the SD card and the printer runs completely off the SD card.

There is a marlin firmware for it on GitHub:

https://github.com/aegean-odyssey/mpmd_marlin_1.1.x/wiki

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[Kurt Gluck]

Bryan

Great detective work for Merlin.    Sounds like this will fix his problem.  I still stand by my advise not to invest $$ into such an old printer though.

I keep stopping from upgrading my sons old maker gear M2 which I use when my XL is busy to kipper :-)

Kurt-A

On Jan 18, 2026, at 5:32 PM, Bryan Eckert <bigyel...@gmail.com> wrote:

Kurt if this thing is like my old FLSun deltas, the firmware is on the SD card and the printer runs completely off the SD card.

There is a marlin firmware for it on GitHub:

https://github.com/aegean-odyssey/mpmd_marlin_1.1.x/wiki

On Sun, Jan 18, 2026 at 1:19 PM Kurt A 3d <kur...@gmail.com> wrote:

Merlin,

I have a different Monoprice IIIP :-)

[markni...@gmail.com]

If memory serves me correctly, these are a relabel of the Malyan M300.

The later versions used a MKS Robin nano control board, which is a neat little 32 bit board.

I don't know if the V1 version was an 8 bit board or not.

It will need a micro sd card smaller than 32gb formatted for FAT32.

I agree with above, don't invest more than the price of a micro sd card.

[Kurt Gluck]

If you cant find a smaller than 32gb micro sd card you can probably use a larger one IF you repartition it to only be 32gb useable (pro tip). 

Kurt-A

Sent from my iPad

On Jan 18, 2026, at 6:55 PM, markni...@gmail.com <markni...@gmail.com> wrote:

If memory serves me correctly, these are a relabel of the Malyan M300.

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[Kurt]

Mr. Doppelgänger - are you familiar with the Delta style printers? They are literally Night & Day different than the Cartesian style FDM printers you work with!!!  

I actually LOVE to watch them in Action - it's REALLY Cool visual! 

Just sayin'...

I would have loved to have owned one - but, there are issues with that style of printer - and so, I don't think it's worth it to own that style of printer...

-K

On Sunday, January 18, 2026 at 1:49:55 AM UTC-5 Kurt A 3d wrote:

[Bryan Eckert]

I'm familiar with them :D

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[Kurt Gluck]

Sent from my iPad

On Jan 19, 2026, at 11:17 AM, Bryan Eckert <bigyel...@gmail.com> wrote:



I'm familiar with them :D

<PXL_20230124_020607778.NIGHT.jpg>

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[Kurt]

Wow Bryan - that really tall part looks MASSIVE!!! Was it printed in 1 piece - and was NOT Supports required? I just don't see any marring from supports...

-K

[Kurt]

Kurt_G, was your reply actually Empty - or than the reply already made by Bryan - or am I Blind or just missing something???

-K

[Bryan Eckert]

It's the Corellian Corvette model from Gambody. When fully assembled it's about 3 1/2 feet long. Took 5 spools of filament to print.

It was printed on both my X1C (one of its first prints) and V400.

And yes it requires supports. I just had them really dialed in.

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