Wires, Duh. 
Gives a place to zip tie the stepper wires onto to they stay out of the way.
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Jeffeb3, Lotzki,
thanks for the additional info.
I will go with the screws I can get easier locally.
Still have some time though until I can start my update and now I am enjoying the reports of newly build Primos in the US.
It’s certainly a combination of things. I select 0.2 Quality not Speed on the Prusa profiles, I add a couple extra perimeters (I use 4 for structural parts), and use 70% gyroid infill. My backup plan if it failed was to print one much faster at lower settings. Fortunately it succeeded.
I get all my metric bolts and screws at Lowe’s. Larger selection as cheaper than Home Depot.
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I’ll have to look. 5 min drive!
Not for my MPCNC, but I need m5 nuts, if I want to finish anything, this weekend.
Thanks!
Check to see if you have a Fastenal near you. They usually have what I need for a pretty good price.
McMaster-Carr is always an option too. Not always the cheapest but I get my orders the next day even with standard shipping. They always have what I need.
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I’m in the Bolt Depot 5 day range, plus holiday and covid backlog.
I DO need magnets from McMaster-Carr. Hmmm.
Just checked. There are 3 Fastenal within driving distance!
You can probably get magnets from fastenal too.
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Argh but WHY show me this place?!?!
They have so much fun stuff!
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Hopes. Dashed.
Just like my metal supermarket.
Edit: Yes there is another in my area but I’ve not driven past the airport, since I moved here
Edit 2: jeez. I don’t think I’ve driven more than 5 miles from my house in over 3 months.
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Ok, its enough, Im starting printing today. After more than a year of watching all this machines, now is my turn… 
3 question
- what is the best nozzle and layer height for printing
- what is the best metod for collor change in simplify3D and at what layer are you doing it
- which color takes the most of filament A or B?
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Waited until the perfect time to start.
I’m printing PETG, so I’m using .4mm nozzle, .2mm layer height, 50% grid, 6 walls and 6 top and bottom layers.
Same, but higher infill for core.
Wish I could answer number 2 but I just haven’t been able to bring myself to buy s3d, yet.
Do you feel like it’s been worth it, for you?
EDIT: I think someone, on this thread, posted a picture of a spreadsheet with times and filament usage.
Of course is your preference, but 45% rectilinear would be better, and better yet Gyroid at 30% to 35% also you don’t really need 6 walls, top and bottom 4 is enough. I believe Ryan prints with 3 all around.
I Printed 3 Cores, 2 at 70% rectilinear and 1 at 55% Gyroid. I could not tell a difference in flex between the 2 of them.
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With which type of material did you print your core?
I stocked up on PETG during the Great Filament Shortage, so that’s what I’m using.
EDIT:
Yes. Overkill.
And you’re right. I used grid on my feet and it’s my OCD keeping me sticking with it.
There’s been a lot of informative discussion, on this thread, about printing techniques.
So does the Burly tool mount fit on the Primo Z rails? Or is there a modified version for Z rails of the Primo? And in the case of the latter has it been released and I just can’t find it?
If you have the J version of the Burly, you can use your the entire Z assembly, tube, tool moult and etc… Primo has it own tool “mount adapter” and new tool mounts, new nut trap (5mm screws).
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I don’t want to start a filament war. But PLA is recommended because although it cracks easier than PETG, it is stiffer/more rigid. There have been several MPCNCs and LRs built with PETG. But it calling it overkill is debatable. My guess is it is a give and take, with some features better and some worse. Some extra perimeters may make up the difference in stiffness.
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I Printed with CF PLA, not that the I think the CF PLA would give me more strength, I did because I like the look if it.
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That’s why I’m using such high numbers - attempting to make up the difference.
I have about 40kg of PETG and not even enough PLA to print the core. I just spent $80 on 2 magnets and, I don’t even want to say, on hardware.
If there’s too much flex in the PETG, I’ll get PLA, or I may just wait until the Voron is done, and print with the ABS I have left.
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Yes, to use Burly mounts you will also need to use the burly “tool plate” the one with all the embedded nuts, as well as the nut traps so you can use 6/32.
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