Patchworks Manufacturing

At Home Design and Fabrication

Tag: modifications

Sleek Z Axis Support – Essential Monoprice Mini Mods (V2)

There are several Z axis support downloads that exist for the Monoprice Select Mini printer. After I noticed some wobble on my printer, I wanted to see if a Z axis stabilizer could fix things up for me. Unfortunately I wasn’t a fan of most of the designs that were available on Thingiverse.  Several of the attachments for the end of the gantry were bulky and diddn’t actually align with the Z axis rods. The attachments to the side panel were bulky and didn’t necessarily fit with the other modifications that I had completed on the printer. So I set about to design a mod that fixed all these problems.

Download the files from the downloads page

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No Drill Gantry LED Upgrade – Essential Monoprice Mini Mods

The Monoprice Select Mini has become the workhorse of my 3D printing and making projects since I acquired it in the fall. I haven’t had many complaints while using it, but one issue that I felt needed to be addressed was the dark build plate. Obstructed by the gantry and the print head, it is very difficult to see what is happening on the print surface and make adjustments to bed height or monitor any issues that may be occurring within the print itself. In order to fix this issue I decided to wire up an LED strip to the gantry assembly. Since I don’t always require an LED strip running on the printer, I wanted to include a switch to control the light in an easy to reach location.

You can download the files to complete this modification free of charge from our store page.

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Cooling Fan Wiring Update – Essential Monoprice Mini Mods

After printing out a couple of benchmarks with the upgraded carriage and cooling fan modification I’d noticed that overhangs facing away from the printer were not what I was hoping they would be. I suspected a first candidate for fixing the problem would be to pull the small circuit board out of the fan shroud. I had initially hoped that the board would be tucked away and small enough to not impact print quality; I was wrong. The problem became where to put the board. I was not interested in a complete rewire of the project so I needed a better solution.

Half of an hour in CAD and this is what I came up with. I’d always planned on putting a small fan shroud on each of the cooling fans, why not integrate a small space for the circuit board to tuck it all away? Perhaps I’ll add space for a small button to control the fan without unplugging it. You can download it here free of charge!

Carriage Upgrade and Cooling Fan Wiring- Essential Monoprice Mini Mods

Over the past several months I’ve been working with the Monoprice Select Mini V2 it is a solid printer right out of the box especially for the price. Despite all of the amazing things about this printer, it does come with a couple of small flaws, many of which can be fixed for pennies with a simple print and some cheap hardware. Today I’m looking at the E3Dv6 carriage upgrade by US Water Rockets. As a bonus I’ve included a short guide on how to effectively wire the LED and part cooling fan that is meant to be attached to this modification.

I’d had my eye on this upgrade soon after picking up this printer. I’d noticed that the stock carriage for the E3Dv6 style extruder that comes with the printer causes the gantry to tilt ever so slightly forwards as the center of gravity is quite far away from the linear rails. Additionally, printing calibration cubes demonstrated that the printer had a fair amount of play in the x axis. Initially in order to fix this I had printed some belt tensioners also designed by US Water Rockets. However, this carriage design improves the belt tensioning system dramatically by integrating it directly into the carriage.

This upgrade was also an opportunity to upgrade the stock plastic GT2 pulleys with full metal ones (Shout out to spool3d.ca). The part cooling fan is the only part of this print where I could see there being room for improvement, the rest of this upgrade is rock solid and really made a measurable improvement in the printer’s accuracy.

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Glass Bed Upgrade – Essential Monoprice Mini Mods

Over the past several months I’ve been working with the Monoprice Select Mini V2 it is a solid printer right out of the box especially for the price. Despite all of the amazing things about this printer, it does come with a couple of small flaws, many of which can be fixed for pennies with a simple print and some cheap hardware. Today we’ll look at the glass bed upgrade.

There are a plethora of upgrades that can be found on thingiverse.com for this printer, which is a testament to the incredible community around it. Not all mods are created equal, and I’ll be going over a couple of the ones that I’ve settled on to fix some of the common issues.

First up is a glass bed upgrade. The stock build plate on the mini has great bed adhesion, however the aluminum bed has a tendency to warp and deform in funny ways, especially at higher bed temperatures. It very quickly got so bad on my printer that it became apparent that it needed to be fixed. Using alligator clips and a glass bed was a quick and easy temporary solution to the problem, however the clearance of the z axis gantry was not enough to make this a long term fix as they severely reduced the size of the Y axis and had a tendency to come loose as the build surface moved back and forth.

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