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SeattleDavid

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  1. That link is for a completely different printer. I am using the Monoprice Delta Mini. This looks like the "void your warranty" procedure to correct the problem, here: MP Delta Mini Size Recalibration to correct 1.6% undersize prints with default settings
  2. Question: What are "normals"? I haven't heard about those. Or, if it is complicated can you point two something that describes them?
  3. Wow! I can't express enough gratitude. I spent days struggling with this. I didn't know about this tool, I will get it. I appreciate your time, the help diagnosing it, and sharing this tool which I didn't know about or know that I needed. Thanks again.
  4. You are entirely correct. The printer appears to be mis-calibrated. According to Monoprice, there is no way to recalibrate it. Hence, I am looking for a systematic, reliable solution in Cura...one that would not be forgotten about. Equally, some people might find that they have a preferred rotation of the article that is desired. I like designing it facing me, but Monoprice places the front of the article 60 degrees turned facing the back.
  5. I'm crunching on a project and can't fight a learning curve. Would you have any interest in developing such a plug-in for general use by everybody? I would be willing to contribute something for it. I would imagine others have this problem, too. It seems to be the case for all Monoprice Delta Mini printers, at least. They seem consistently off by 1.6%.
  6. Attached are files. I have reduced my model as much as I can while the problem still reproduces. In the first image you will see highlighted in yellow what the model looks like on the bottom In the second image you see what Cura is producing for the first layer. Notice that the hole is missing in Cura's slicing of the first layer. Notice in the model a line that is on the right-facing wall about 10% up from the floor. I'd this line is deleted, the problem disappears. However, I have carefully looked inside the model and it is not forming a floor or compartment...it's just a line. Similarly, deleting other structures like the girl on the end also causes the problem to disappear. Also attached are two partial X-Ray views showing that there is no floor or structure that intersects the "chimney with the curved top" to create any sort of a floor. ----- Any help that can be offered with this would be appreciated. I have spent a long time on this. The actual model is very complex, and recreating it would take a month or so...so I would love to know what either the problem is or what the workaround is. Do I have a bad setting? Is this a known bug? CPD 2019-11-25X.3mf CPD 2019-11-25X.stl CPD 2019-11-25X.skp.zip
  7. The actual printed models are coming out about 1.5% too small. If I use the Cura Scale feature in the UI set too 101.5% the model is the correct size. Since this seems to be some oddity with my Monoprice Delta Mini printer, I would like to permanently scale everything for this printer. Basically, to have in the printer profile a "Scale" setting so that everything printed is the correct size. Is there some setting to do this? Either a Cura setting or perhaps a G-Code that will auto-scale everything by the needed 1.6%?
  8. Cura is generating incorrect GCode. It is closing off an area that should be open. I have what is essentially a duct/chimney running from the bottom of a structure into the module of it. The structure is much like a house, and the duct/chimney is open on the ground level and runs up into the structure, where it dead-ends. The intent is to have a cavity in the structure that can be accessed from the opening in the floor. The duct is being rendered mostly correctly. But on one specific layer the extruder is filling in the duct, adding a one layer floor, complete with supports. I have triple checked the STL file using an STL viewer and there is no floor inside of the duct. I can find no plausible reason why this floor within the duct is being added gratuitously. I have tried simplifying the design br cropping out walls and other features of the block. When I remove one particular wall...located far far away...then the problem ceases to happen. Any thoughts about this? Is it a known bug, or does some situation cause this?
  9. I have a 3D model that isn't slicing correctly. The problem shows up in both Cura and Slic3r. When being previewed in both slicers it looks correct, and it is complete. But when I look at the slices, portions of the model are entirely missing. Both Cura and Slic3r do the same thing. The model is of a stair/ladder, and what is missing are the handrails and other parts. (in the photos below, notice the lack of hand railing for the ladder.) Here is the STL model as it appears in Cura: Here is the model when it is sliced (showing support material.) Notice the lack of handrails. This is the STL model in Slic3r: Again, the railing is missing when sliced:
  10. Is it possible in Cura 2.3 to support other printers that are not listed? How would that be done and how are they then specified?
  11. In Cura I am using the "Raft" option. The raft sticks perfectly to the baseplate. But the printed object is so weakly attached to the raft that it comes off sometimes during printing. What setting would allow me to better attach my printed design to the raft? There must be a setting that determines how well connected the object is to the raft. Thanks!
  12. I am trying to use Cura 2.1.3 with a Monoprice Mini 3D printer. There is no profile for this printer. So I selected a different printer under "Other" and tried using that. The problem is that when starting to print the head "grinds" at the far back, far right corner (opposite the "home" position in the front left.). This leads me to believe that the printing is off the extreme of the Monoprice printer. Perhaps the printer I chose had a larger platform. I have tried placing the print in different corners of the platform, but basically I get the same results, although with different pitches of buzzing as the printer hits the end-stops. How can I specify or change the settings of the build platform in Cura? Or, how can I set it for the Monoprice Mini printer? Is there some way of diagnosing this problem? Any advice on this? Thank you very much.
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