Igor Kromin |   Consultant. Coder. Blogger. Tinkerer. Gamer.

After my recent misadventure with a Wanhao 3D printer I bought the Monoprice Select Mini V2 3D printer. This little printer had great reviews and looked like it will work out nicely. I was a little worried about the cantilever X axis but that turned out to work well. However, before printing anything, there was one modification I absolutely had to do...and that was to add glass to the heated print bed.
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Printing on glass has many advantages. It protects the original print bed from damage, you can apply saline/sugar/diluted PVA solution to it for better first layer adhesion, you can remove the glass if a print is stubborn and stuck, and it conducts heats really well.

The only problem is this printer is not set up to have a 3mm piece of glass sitting on top of the print bed and there is no out of the box adjustment for the Z axis stop switch. So I had to improvise. The Z axis switch is accessible with some needle nose pliers, so I used double sided tape to adhere a foam pad on top of this switch and adjusted bed height to suit. (The print bed adjustments on their own didn't allow for an additional 3mm gap.)

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The foam gave me a pretty good fit but I noticed that due to compression of the foam, the Z axis was off on repeated prints.

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So the solution was to 3D print a 3mm tall block, which I then stuck on to the Z axis switch using double sided tape.

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That worked out great and I've been printing non-stop since then without any issues. If you're interested in what I'm printing so much of - it's game cartridge shells for Atari Lynx, to use with the programmer pi-hat that I'm building and selling.

-i

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