Those “added benefits” also make it less rigid and not ideal for this application. Standard PLA is just as easy to print and a much better use case for these machines.
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There is no better PLA than standard PLA for our application.
PLA+ is less rigid. Silk generally just sucks. Some brands use color additives that make the overall layer adhesion worse.
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I found it interesting that purple pla performed the best in the color-based pla tests i read about. Pla had quite a spread of performance that was color dependent. That said, pro, plus, silk, matte, and plain can all be a useable pla options that may have some performance tradeoffs. I have only ever broken the x belt tensioner on the lr4 and a couple motor wire connections. On the mpcnc, there were only a couple parts I did not break. I think there is some utility in trading brittleness/rigidity for fracture toughness in the name of durability..
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Get a 3d printer dude, it’s worth it.
Initially I had no idea they were now so cheap and easy to use, so I paid for 3d printed parts for the LR totally unaware I could have bought a 3d printer and done it myself for the same (or less), and of course then would have had the 3d printer!
I ended up buying one anyway and it hasn’t stopped printing since I bought it 
It pays for itself, honestly.
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