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Type: Posts; User: sonnichs

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  1. Replies
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    Well- you ask a good question--in theory we would...

    Well- you ask a good question--in theory we would hope that one does not have to go there. But at times I find looking thru the code useful. With my CNC printer I catch some things that way.
    One...
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    I downloaded Prusa this weekend and per "Curious"...

    I downloaded Prusa this weekend and per "Curious" it definitely has much better thought out menus that Cura. Modern software writers can get Byzantine with their menus and finding an option on things...
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    Thanks Clif .. that was exactly the type of...

    Thanks Clif .. that was exactly the type of information that I was looking for. Unless I missed something, both Cura and Fusion lock you into one layer height. So having control over that alone is...
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    Thanks for the graphic Martin. I will download...

    Thanks for the graphic Martin. I will download Prusa when I get a chance as I like the idea of viewing and perhaps modifying the GCODE. (I started to write a Python script to interpret the code, but...
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    Thank you for these replies. Prusa seems to come...

    Thank you for these replies. Prusa seems to come up often as a good option. Nothing wrong with Cura by the way but just wondering if there are differences in outcomes as I have sometimes...
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    Slicers and Quality

    I have been using Cura and Fusion 360 to slice my code.Cura seems to have about every option I could imaging (I am using Creality Ender-5). But I wonder if other slicers give you more control over...
  7. Thread: Layer Failure

    by sonnichs
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    Wow. The value of the sapphire was mentioned...

    Wow. The value of the sapphire was mentioned elsewhere here and it is certainly true. I may have a "fat grant" coming in and if I do we probably will want on on-site printer for the staff mechanical...
  8. Thread: Layer Failure

    by sonnichs
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    Gambo-your PM space is full!I tried sending you...

    Gambo-your PM space is full!I tried sending you an fd3 as you mention. For some reason the attachment rejects it--possibly it is file size?If you email me directly I can send the f3d. Just use my...
  9. Thread: Layer Failure

    by sonnichs
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    Gambo--nice to hear from you!I am happy to hear...

    Gambo--nice to hear from you!I am happy to hear about your upgrade and it will be interesting to learn some statistics on it.I sent a device to a professional printer recently and for $25, when it...
  10. Thread: Layer Failure

    by sonnichs
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    Thanks Fred. Good points. I note that Fusion...

    Thanks Fred. Good points. I note that Fusion places the parts on the bed horizontally to begin with-I am not sure how much thought goes into that. I didn't like that orientation because of the added...
  11. Thread: Layer Failure

    by sonnichs
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    Layer Failure

    While I am not very experienced, this is a first for me--I printed the construct shown and the smaller "screw" broke radially (perpendicular to the axis).

    The walls are 1.2mm and I am using a...
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    Sorry-i was worried about space limitations (the...

    Sorry-i was worried about space limitations (the board says 19KB) . Here are originals.
    Fritz
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    OK--back at it--I ran a partial print of my 4x8"...

    OK--back at it--I ran a partial print of my 4x8" "dovetailed rail" tonight. It lifted off the be so severely that I stopped the 5 hour print. This has to be within about 0.1mm flatness because two...
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    Thanks Martin- all good points. I am presently...

    Thanks Martin- all good points. I am presently printing a group of "small" parts for my optics bench but I will send some photos as soon as I get some large prints that prints. (The bottoms of the...
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    well-frankly-I can't see much of anything on...

    well-frankly-I can't see much of anything on larger prints because they don't stick long enough to get a reasonable test. I definitely saw raising in one that "stuck" for a while. but I can...
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    Thanks- I don't see any warp in the bed, at...

    Thanks- I don't see any warp in the bed, at temperature-but it is a touchy measurement of course. I guess that is the incentive to use glass. Do you know if this is this pretty standard with other...
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    I agree about the conduction for glass-I think it...

    I agree about the conduction for glass-I think it heats very slowly - but I was imagining that due to its greater thickness it would spread the heat out more evenly. And of course it is flatter. But...
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    Glass Beds and Even Heating

    I am having adhesion problems (nobody else does, right?) and what I seem to see, is that when my prints are over a certain size the print skirts and rafts do not stick. At about 2x2" things have...
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    Over coffee this morning I had a little time to...

    Over coffee this morning I had a little time to do some tests as shown. The 3 assemblies have Retraction set at 0.5mm, 7mm and 15mm.The results of threading are pretty clear. In the last, 15mm,...
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    Thanks Bruce! fritz

    Thanks Bruce!
    fritz
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    OK--got to the lab this weekend---- my default...

    OK--got to the lab this weekend---- my default GCODE (Fusion 360) sets retraction at 0.5mm. This seems a bit low from my reading--Based on all the advice here I put it as high as 7mm and a lot of...
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    Yep - In find top and bottom shells to be...

    Yep - In find top and bottom shells to be problematic to begin with. Unlike the side shells--which are smooth within the realm of the layer height--the cross-hatched top and bottom always look...
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    Surplus Threads in Print

    A picture is worth 1000 words. I often see these "threads" appearing in a print. They are, I assume, due to the print head continuing to exude plastic is it makes rapid transitions about the piece.I...
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    Usually I am not doing parts that are overly...

    Usually I am not doing parts that are overly precise. I find that a 1cm test cube gives a size of about 10.03 to 10.08 cm on a side, the "shorter" dimension being in the vertical. I do think I am...
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    Yes--I am finally getting that. I had to print...

    Yes--I am finally getting that. I had to print some optical "easy" parts last weekend so I went all out at speeds up to about 80mm/s. Everything worked out fine so I will gradually adjust my speeds...
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