User Panel
Posted: 5/9/2024 9:25:38 AM EDT
[Last Edit: Striker]
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To say that you are on thin ice would be a vastly optimistic view of your current situation. The ice has melted. You are being supported by the surface tension of water.
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[#1]
View Quote thats crazy, and id like to know more |
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[#2]
Maybe because it's fake?
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[#3]
The bed doesn't move on that machine, so it is very possible.
That is tpu, which has excellent bed adhesion. |
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Strong men create good times. Good times breed weak men. Weak men create hard times. (You are here) Hard times breed strong men.
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[#4]
I don't really see any area, aside from maybe the tip of the toe box, that would need support (in that orientation).
Have you ever seen the pin support challenge? |
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[#5]
People dont realize how unnecessary supports are in most situations.
I VERY rarely use supports. I basically never use a brim. If you have Z height set properly you get pretty good bed adhesion. That allows for some decent overhangs and decent ability to eliminate supports. Not particularly impressive once you understand what is capable with proper settings and hardware. |
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[#6]
Originally Posted By -Obsessed-: People dont realize how unnecessary supports are in most situations. I VERY rarely use supports. I basically never use a brim. If you have Z height set properly you get pretty good bed adhesion. That allows for some decent overhangs and decent ability to eliminate supports. Not particularly impressive once you understand what is capable with proper settings and hardware. View Quote But the angle and height of that had me wondering..the bed adhesion must have been really good. |
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To say that you are on thin ice would be a vastly optimistic view of your current situation. The ice has melted. You are being supported by the surface tension of water.
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[#7]
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To say that you are on thin ice would be a vastly optimistic view of your current situation. The ice has melted. You are being supported by the surface tension of water.
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[#8]
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[Last Edit: stewie97]
[#9]
Originally Posted By -Obsessed-: People dont realize how unnecessary supports are in most situations. I VERY rarely use supports. I basically never use a brim. If you have Z height set properly you get pretty good bed adhesion. That allows for some decent overhangs and decent ability to eliminate supports. Not particularly impressive once you understand what is capable with proper settings and hardware. View Quote How do you print holes with no supports? ETA - I'm goign to try no supports on our next print - we have a slight overhang, a channel, and a few holes we push hex nuts into. Not having to clean up support would be amazing. |
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[#10]
Originally Posted By stewie97: How do you print holes with no supports? View Quote Depends on hole shape, size, and part orientation. For example, printing a square shaped hole, if the part is oriented so the hole has the top and bottom edges parallel to the build plate, then the nozzle would make a long pass over nothing to do the top edge of the hole, and there would be a high likelihood of failure without support. But, if you could rotate the part a bit on the build plate, and have the square now be at a bit of an angle, then there is no flat unsupported top side, and instead the angled edges can be built up slowly until meeting at a corner. That's why in the OP video, the shoe is oriented at that 45-ish degree angle. It allowed a slow ramp-up of all the sides and no flat overhangs to worry about. |
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[#11]
Originally Posted By D_Man: Assuming you mean vertical holes? Depends on hole shape, size, and part orientation. For example, printing a square shaped hole, if the part is oriented so the hole has the top and bottom edges parallel to the build plate, then the nozzle would make a long pass over nothing to do the top edge of the hole, and there would be a high likelihood of failure without support. But, if you could rotate the part a bit on the build plate, and have the square now be at a bit of an angle, then there is no flat unsupported top side, and instead the angled edges can be built up slowly until meeting at a corner. That's why in the OP video, the shoe is oriented at that 45-ish degree angle. It allowed a slow ramp-up of all the sides and no flat overhangs to worry about. View Quote I have a couple that are parallel to the build plate, so that wont work. the cumbersome ones are horizontal to the build plate, so I'll try it on those |
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[#12]
Originally Posted By stewie97: I have a couple that are parallel to the build plate, so that wont work. the cumbersome ones are horizontal to the build plate, so I'll try it on those View Quote Assuming you mean the holes cross section is on the XZ or YZ plane, you can either alter layer height to enable very steep angles or you can modify the shape of the hole which is what most of do that terminates in a tear drop shape with usually a bridge at the top. |
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[#13]
not sure if serious op?
those overhangs are real reasonable. if bed adhesion is good, its all good. |
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[#14]
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Strong men create good times. Good times breed weak men. Weak men create hard times. (You are here) Hard times breed strong men.
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[#15]
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[#16]
So we can print shoes now. The world is quickly becoming amazing.
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Death to quislings.
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[#17]
Originally Posted By backbencher: So we can print shoes now. The world is quickly becoming amazing. View Quote I think my expensive custom insoles for my red wings were 3d printed. Would be interesting to try to use a bl touch or some other touch probe to make a point mesh from a silicone rubber mold of your foot. |
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Never confuse faith that you will prevail in the end—which you can never afford to lose—with the discipline to confront the most brutal facts of your current reality, whatever they might be. - Adm James Stockdale
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[#18]
Originally Posted By 1Andy2: I think my expensive custom insoles for my red wings were 3d printed. Would be interesting to try to use a bl touch or some other touch probe to make a point mesh from a silicone rubber mold of your foot. View Quote Yano I never though about putting a finder on a 3D printer to use it to probe an object to generate a file....I'm sure there's some code out there for it somewhere. I've got a spare board with a dead extruder stepper I could use that for... |
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[#19]
Originally Posted By -Obsessed-: Assuming you mean the holes cross section is on the XZ or YZ plane, you can either alter layer height to enable very steep angles or you can modify the shape of the hole which is what most of do that terminates in a tear drop shape with usually a bridge at the top. View Quote you were right - thank you first print with build plate only support was a success. Trying no support currently. |
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