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Heya, since you mentioned your CoreXY I just thought I'd post to say I've enjoyed following the progress of the CoreXY build on your blog. Needs a video of it in action though!!
by
Lenbok
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New Zealand RepRap User Group
You can get a version of Skeinforge with Brim (and other changes) already bundled in at:
Although I see that someone has a fork with a few more recent changes that might be worth looking at too:
by
Lenbok
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Skeinforge
Another possibility not yet mentioned is that perhaps the X carriage is not fully seated on the linear bearings. This can happen if you are not using zip ties to hold the carriage in place and hit some kind of bump during printing, or perhaps if your friend removed and reattached the carriage without checking the bearings were fully seated.
by
Lenbok
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Mendel90
I have both non-bowden and bowden, and while the stringing aspect of the bowden can be tuned out quite well, one additional downside to the bowden is that it doesn't perform well when there are large changes in back-pressure (e.g. when transitioning from printing with relatively low layer heights directly on top of the previous layer, then bridging, then back to printing on top of the previous la
by
Lenbok
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General
If you leave current slic3r sitting on the layers tab it will eventually consume all the RAM on your PC and usually get killed by the OS itself after virtual memory gets exhausted.
by
Lenbok
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Slic3r
If you want to avoid git you can download specific previous releases, you can get them from here:
However, if you don't mind learning a little git (it is worth learning it), you can download the master.zip or use git to clone the repository, e.g.:
git clone
(I don't know how to undo the markup in the above -- just put the literal URL into the command line)
Once you have the clone, you hav
by
Lenbok
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Slic3r
Nice wiki page on the extruder history! The renders are great -- Although I think the 3rd gen render is not quite right - it's missing the hole for the hobbed bolt to go through - maybe an undefined variable in there that is defaulting differently under newer version of openscad. I know one of the gregs versions has references to both layer_thickness and layer_height, but only one of those is de
by
Lenbok
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General
You might be interested in my fork of the Rostock Mini Pro repo:
When you load the main rostock.scad into openscad, it issues a bunch of echo statements containing the various delta measurements needed by the firmwares, build volume, belt lengths, etc.
I've rolled in some extra changes from other peoples repositories, but have made it more parameterized, particularly if you want to scale thin
by
Lenbok
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Delta Machines
Print Settings -> Advanced -> XY Size Compensation
Allows you to inset the perimeters slightly to account for over-extrusion.
by
Lenbok
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Slic3r
Slic3r can apparently do it (I haven't tried it myself):
by
Lenbok
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General
BTW, I will PM anyone who expresses an interest (either in the thread or directly to me) in a couple of weeks or so when I am about to order, to confirm interest and numbers.
by
Lenbok
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New Zealand RepRap User Group
The inability to adjust the distance between bed and homing position without reuploading the firmware annoyed me too. I now have the M206 setting Z offsets nicely, as an additive offset to what has been configured in the firmware as the total Z length. I haven't noticed the G28 problem that nophead mentions (my start gcode just uses G28 without any args).
E.g. M206 Z-0.2 reduces the apparent len
by
Lenbok
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Mendel90
I hadn't thought of that, but having looked into it I'm not sure it makes things that much cheaper. The main thing is that if delivering to a UK address the dampers would then be liable for 20% VAT so ~NZD$6.6 each plus the youshop forwarding fee of >=NZD$17.25 puts them roughly NZD$8.30 each for the minimum order of 10, and even assuming no shipping increase for 25 they'd still be ~NZD$7.30 e
by
Lenbok
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New Zealand RepRap User Group
I have read good things about these dampers for reducing stepper motor noise:
I plan to order some for a rostock I'm building and possibly to retrofit onto my Mendel90 Y/X. Minimum order quantity is 10 and between a friend and I we have that sorted. I emailed about postage and P&H to NZ cost 18 pounds, so the total per damper is about ~NZD$9. However, we can get up to 25 pieces before the s
by
Lenbok
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New Zealand RepRap User Group
I do not know if there is already a way to remove this redundancy but it would be trivial to write it as another plugin and insert it into the chain to try your idea out.
by
Lenbok
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Skeinforge
Did you consider the smoothieboard for the electronics side of things?
by
Lenbok
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General
If you haven't already, you should read this thread end-to-end:
by
Lenbok
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Slic3r
It doesn't automatically adjust -- normally in the Speed tab you set the feed and flow rates to be the same.
by
Lenbok
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Skeinforge
Cool, I've bunged that into the 50plus repo.
by
Lenbok
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Skeinforge
That sounds like a bug that was in my Skeinforge50Plus github but which has since been fixed. If you pull the latest version it should be sorted.
by
Lenbok
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Skeinforge
For a while I (like many here I imagine) have been using a version of skeinforge 50 with a few enhancements (mostly found within this forum). Since plenty of people use skeinforge still, it's worth having them rolled up somewhere. I discovered that nophead had a github repository "Skeinforge50plus" that had some of these included, and have made a fork that has a few more. Feel free to take a look
by
Lenbok
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Skeinforge
Do you think this is your problem?:
I have been putting various skeinforge enhancements into a git repository and used nopheads Skeinforge50plus as a starting point. Mine is at
Cheers,
Len.
by
Lenbok
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RepRap Host
That's a real shame -- I have honestly found this to be one of the most interesting threads on the reprap forums for months, and was hoping that finally our slicers would make some progress on this front. At least Sound seemed like the idea of inset control is something he would accept - is it possible to make the equivalent change to Slic3r?
by
Lenbok
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Slic3r
When I built my Mendel90, one of the things that I immediately noticed was that the carriage/bed motion is quite a lot noisier than my Sells Mendel. It may be that the LM8UU's were cheap ebay jobs, or maybe all LM8UU's are inherently noisier than the roller ball approach used on the Sells Mendel.
Anyway, I have a bunch of 624 bearings kicking around and I'm tossing around the idea of retrofittin
by
Lenbok
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Mendel90
OctoPrint has an event hook mechanism, where you can execute commands when certain events occur. The list of events (along with some examples) is at:
And there are more examples in the cookbook:
(I haven't yet tried them, but plan on hooking into the PrintStarted / PrintDone to create a log of prints I've done, and have the Waiting one send me an android notification to change filament colo
by
Lenbok
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Mendel90
When sliced with skeinforge the nut traps are present, so perhaps there is some weirdness in the STL that makes the openscad difference not work and causes problems for slic3r.
by
Lenbok
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Mendel90
I think there must be a bug somewhere, because the STLs in the git repo don't have the nut trap inside - I couldn't see it in the gcode preview when I sliced, so I used openscad to take a cross section by differencing a cube from the dibond version of the x_idler_bracket.stl:
(BTW, how does one inline an image instead of having it as an attachment?)
by
Lenbok
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Mendel90
I had something similar once and the problem was that my start/end gcode comments were using '(' and ')' commenting style. When I changed them to semicolon comment style it wasn't a problem any more. Maybe pronterface strips comments using ; form but not the bracket form.
by
Lenbok
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Skeinforge
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