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Posted: 4/2/2024 11:17:29 AM EDT
I remain astonished at the capabilities and complexities of these 3-D printers. For example, I was printing something this week, and it seems my Prusa was able to detect that what my heart really desired was... an Afro...
 IMG_2479 by Jim QRB, on FlickrI did not buy this printer to print such things, but I thought it might be interesting to print one of the "Harlot" pistols I had seen posted here. Imagine my surprise when I discovered this simple design incorporated a self-dissassembly feature!  IMG_2481 by Jim QRB, on FlickrCould have sworn I printed that with 100% infill. 
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OR, USA
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Posted: 4/2/2024 1:06:25 PM EDT
[Last Edit: Deerhurst]
[#1]
Everyone tells me prusa is infallible.
More to printing than just infill. Judging by the failure is across layer lines and not with them so that is good. |
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Posted: 4/2/2024 1:22:06 PM EDT
[#2]
interesting.. a Mk4 is what I had on my list to buy. tell me more of your experience(s)
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OH, USA
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Posted: 4/2/2024 1:51:56 PM EDT
[#3]
Not going to lie OP, both seem like PEBKAC errors.
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Posted: 4/2/2024 1:54:44 PM EDT
[#4]
Quote HistoryOriginally Posted By crazyelece: Not going to lie OP, both seem like PEBKAC errors. Agree. This isn't on Prusa, OP. I miss details too. First one could have been loading PETG while you meant to load PLA, as an example. |
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Posted: 4/2/2024 2:39:22 PM EDT
[#5]
lol. I have had the filament hairball more than once.
But my ancient XYZ doesnt have a heated bed. 
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Posted: 4/2/2024 3:31:21 PM EDT
[Last Edit: QRB]
[#6]
No, I am not laying any blame on the equipment, and my Prusa has performed exceedingly well. I was just trying to make light of a couple failures I had this week.
The hairball was a result of trying to print a very tall cylindrical object with a fairly small footprint. It was a long print, and it lost its grip on the build surface after I went to bed at about 02:00. The Harlot failure is on me as well. I printed all the parts I presumed to be under greatest stress out of pla plus. The two frame side panels were of plain pla, and I really thought I had printed them at 100% infill, but looking at the break, that was not the case. I reprinted in pla plus at 100%, and test fire (supressed) was uneventful and giggle inducing. I just thought some of you might laugh along with me at my screwup this week. And, being an old guy, I'm not fluent in acronyms. If "PEBKAC" means I'm a dumbass, yup, you're spot on! 
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Posted: 4/2/2024 3:33:21 PM EDT
[#7]
Quote HistoryOriginally Posted By QRB: No, I am not laying any blame on the equipment, and my Prusa has performed exceedingly well. I was just trying to make light of a couple failures I had this week. The hairball was a result of trying to print a very tall cylindrical object with a fairly small footprint. It was a long print, and it lost its grip on the build surface after I went to bed at about 02:00. The Harlot failure is on me as well. I printed all the parts I presumed to be under greatest stress out of pla plus. The two frame side panels were of plain pla, and I really thought I had printed them at 100% infill, but looking at the break, that was not the case. I reprinted in pla plus at 100%, and test fire (supressed) was uneventful and giggle inducing. I just thought some of you might laugh along with me at my screwup this week. Key is turning acceleration down on those tall, skinny prints. 
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Posted: 4/2/2024 3:36:38 PM EDT
[#8]
Quote HistoryOriginally Posted By -Obsessed-: Key is turning acceleration down on those tall, skinny prints. https://www.ar15.com/media/mediaFiles/467079/20221114_110444_jpg-2599693.JPG EXCELLENT tip! Thanks!!! |
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Posted: 4/2/2024 3:40:32 PM EDT
[#9]
Quote HistoryOriginally Posted By QRB: EXCELLENT tip! Thanks!!!  That print I think I had set to 250mm/s2 I printed three of them in a row, all came out fine. It's the dowel for my 5kg spool holder I designed. 
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Posted: 4/7/2024 1:13:14 PM EDT
[#10]
Quote HistoryOriginally Posted By -Obsessed-: Key is turning acceleration down on those tall, skinny prints. https://www.ar15.com/media/mediaFiles/467079/20221114_110444_jpg-2599693.JPG I always found if possible that a raft was the best for tall skinny prints plus turning down acceleration. |
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