Core One Assembly a Frustrating Situation
 
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Butters
(@butters)
Eminent Member
Core One Assembly a Frustrating Situation

I'm trying to finish my kit, after many missing pieces but at this point I'm almost ready to ask for a refund. I have almost my kit full assembled although I'm missing one piece but Prusa, assumes that I'm lying, and that the piece I'm missing, must not be missing. Strange. I've tried to show them all that needs to be, I've explained it as well as I could that everything so far has worked out. Although no missing piece, I guess some customers they just choose to hate, unless they don't fully be cooperate in their understanding. 

 

 

Posted : 22/10/2025 6:40 pm
SpectraV3i
(@spectrav3i)
Active Member
RE: Core One Assembly a Frustrating Situation

What are you missing?

Posted : 22/10/2025 6:43 pm
Butters
(@butters)
Eminent Member
Topic starter answered:
RE:

The one profile from the top with the two holes. Once I got that piece I'd most likely be finished, I hope after this.

This post was modified 2 hours ago 2 times by Butters
Posted : 22/10/2025 6:44 pm
SpectraV3i
(@spectrav3i)
Active Member
RE: Core One Assembly a Frustrating Situation

Make sure you check all the boxes and make sure none of the profiles are stuck together.

Posted : 22/10/2025 6:50 pm
Butters
(@butters)
Eminent Member
Topic starter answered:
RE: Core One Assembly a Frustrating Situation

I've checked it ten times. I have nothing, I've explained this 10 times. I guess Prusa doesn't care, they're not gonna help me. They believe I have the piece when I don't. I guess all for nothing.

Posted : 22/10/2025 6:52 pm
mnentwig
(@mnentwig)
Trusted Member
RE:

Is the number of parts incorrect or do you have the correct number but the wrong type? 

If the latter, check that the parts you have already assembled are correct. I had a similar problem with the frame, final piece was wrong. Solved it myself - turned out I had assembled one part incorrectly.

The instructions are easy to get lost in. I'd really (really really) prefer a traditional manual with line drawings, redundancy removed to the point where every dot of ink has meaning. Man is not a G-code executing machine.

I'd crack some Haribo-as-a-"concentration booster" joke here but honestly, it stopped being funny early in the build. 

This post was modified 1 hour ago 2 times by mnentwig
Posted : 22/10/2025 7:19 pm
Butters
(@butters)
Eminent Member
Topic starter answered:
RE:

I checked, I'm still under warranty this is a new low for Prusa. Honestly after this situation, a third of a refund would be helpful. 

The top profile has a flat part that has two holes, it's not difficult to see if those two holes don't exist on profiles. It's a a two minute look on what I have assembled and what is not assembled. The profiles for the bottom all have three holes, the top only needs one profile with two holes.

Try explaining this to those support in Chat, actual caused them to report the situation, I'm like if I had the piece I wouldn't be contacting you now. I have everything else assembled, if you saw what I had assembled you'd probably say; it looks good.

When you eager to assemble something, you run to support saying; what is going on, support takes that personally for some reason. I guess Prusa doesn't care, they have told me F**K you, no more help.

This post was modified 1 hour ago by Butters
Posted : 22/10/2025 7:23 pm
mnentwig
(@mnentwig)
Trusted Member
RE: Core One Assembly a Frustrating Situation

Is it possible that the two holes have been removed and people are just not aware of it? 

I see two 3 mm holes in the back of the top frame but they do nothing on my Core One even with "enclosed" MMU3 attached (don't know about other versions).

If it's only those, I'd carry on with the build and (if they are ever needed) just drill them later...

 

Posted : 22/10/2025 7:41 pm
Butters
(@butters)
Eminent Member
Topic starter answered:
RE: Core One Assembly a Frustrating Situation

Why can't Prusa tell me this, I assume you know what I mean in which profile. The top profile has three profiles which have no holes; easily I can assemble the top profile with having no holes, is support that robotic that they can't inform me instead they take a personal defense to me just wanting to know what is going on and question what I have in the box. 

Otherwise, yes I have all the profiles needed to make the top profile; with the exception of the holes. 

Posted : 22/10/2025 7:53 pm
Jürgen
(@jurgen-7)
Noble Member
RE: Core One Assembly a Frustrating Situation
Posted by: @butters

The profiles for the bottom all have three holes.

That is actually not correct. At least in my Core One, when you look at the flat sides of the four bottom profiles which are facing down at a 45° angle: The back profile has two holes, the other three have zero holes.

Any chance you have installed the missing two-holed profile as one of the bottom side profiles? If that should be the case, I would just leave it where it is and install an upper back profile without holes.  As pointed out by @mnentwig, these holes seem to remain unused.

Posted : 22/10/2025 8:26 pm
hyiger
(@hyiger)
Honorable Member
RE: Core One Assembly a Frustrating Situation

If you have all of the profiles, i.e. the correct count then assume it's correct. As pointed out by others perhaps they changed the cutouts in the profiles after determining they were not needed. 

I would concur that perhaps you have the profiles switched around. 

Posted : 22/10/2025 8:30 pm
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