Quotestevereno30 I'm looking to warn people about the Shenzhen-based company Geeetech. Rather than sit here and bad-mouth them, let me tell you a story about my experience with this company... I purchased their MkV J head clone earlier this winter. I couldn't understand why it would be low quality since it hit every benchmark that real j-heads hit other than the vent hole number and shape. It haby thejollygrimreaper - General
i printed off the same object changing only the perimeter speeds, the back two are at 60mm/sec the front one is 10mm/sec you can see the vertical ridges lining up roughly where in the infil connects to the perimeter, i think based on this that the vertical ridges are a product of (1) the perimeter speed (2) the infil density (3) and also the number of perimeters as more perimeters would mitigaby thejollygrimreaper - General
QuoteAndrewBCN @ Viktor, Interesting! I guess I will have to test a couple of toothed pulleys in one of my printers to verify this. Here is a vertical flat surface and indeed, one can see a very faint vertical wave pattern. I confess I never paid any attention to this because the vertical wave pattern cannot be felt by running a fingernail along the surface, contrarily to the horizontal patternby thejollygrimreaper - General
Quotecristian Quotethejollygrimreaper those vertical stripes/ridges are actually the belts vibrating/ringing on a direction change, (eg on corners and such, ) , it's a side effect of a lot of the high speed printing people seem to like to do these days however the solution i found is rather simple and doesn't involve spending days tuning acceleration values , you just slow down the perimeter speby thejollygrimreaper - General
Quotecristian Quotethejollygrimreaper Quotebelts have quite big teeth that may leave some traces on the surfaces of the prints have you got any evidence of this occurring ? I think I do. I have seen vertical stripes on many printed objects with glossy surface from different printers and I cannot find any other reason for their existence. I cannot quantify the stripes in terms of microns, thoughby thejollygrimreaper - General
Quotecristian I wonder why in most printers GT2 belts are used for X and Y axes, which give a quite "low" resolution, while so much care is taken for Z axis. A typical GT2 pulley has a diameter of 12 mm, which gives about 40mm for a full turn. If we ignore microstepping, this corresponds (again: usually) to 200 steps / 40mm = 5 steps per millimeter for X and Y axes. If for Z a threaded rod with 6by thejollygrimreaper - General
Quoteo_lampe Quotethejollygrimreaper did it work with a previous version? I don´t know. I just started with openSCAD, was used to use SolidWorks before. I also get another warning DEPRECATED: The assign() module will be removed in future releases. Use a regular assignment instead. Probably that happend to the write.scad module too? This geared cube is one of the most popular things on thingiby thejollygrimreaper - OpenSCAD
did it work with a previous version?by thejollygrimreaper - OpenSCAD
Quoteloskiorama Thank you very much for your help guys. But I belive I didn't made myself clear. I'm not using the graphical user interface but the COMMAND LINE oepnscad.exe "C:\Users\ale\iphone6Dec"scad -o "C:\Users\iphone6Dec_tdg2hliiF1_View.png" --camea=0,0,0,0,0,0,200 --imgsize=188,368 Now after exceuting this i get this result. I want the yellowish to be white on the COMMAND LINE exportby thejollygrimreaper - OpenSCAD
Quoteo_lampe translate([0,0,rad/4])rotate_extrude()translate()circle(r=rad/4); I love it, how we have to read from right to left, to understand, what´s going on Or in other cases, "from bottom up" -Olaf lol,by thejollygrimreaper - OpenSCAD
QuoteNikki81 Thank You I will run some test prints tomorrow. I have been using 0.2 layer hight and have been getting very good prints but it is very slow it took over 5 hours to print just the body of a wades extruder but not having any experience am not 100% sure if that is just how long it takes. Thanks Nikki sounds pretty normal, the process was never meant to be quickby thejollygrimreaper - General
have you got a fan cooling down the upper part of the hotend?by thejollygrimreaper - General
i build mostly corexy printers myself, the main advantages are that you only need 4 stepper motors and only one of them is moving on a carriage unless you use a bowden setup, there is a few schools of thought on belt configuration eg twist or not twist, but ultimatly the build quality isn't much different from a delta or a cartesian prusa I2 or I3 , like all printers it comes down to the tuningby thejollygrimreaper - General
QuoteDaveRC I am having a nightmare with the Z axis home switch. It's just getting that first layer printed and once I got it right, the next print is out, not a lot but getting very annoying. My Z home switch is well secured and have a screw adjuster that works fine, I just don't think the micro switch is that accurate and was wondering if there is anything better? it's not so much accuracy bby thejollygrimreaper - General
Quotesarf2k4 Quotethejollygrimreaper Quotesarf2k4 Quotethejollygrimreaper Quotesarf2k4 Hi, I am wondering about a springless extruder design found on most 'some proprietary' 3d printers such as zortrax and up or other brand that didn't use spring to grip the filament. Is there any working design for this idea in reprap? Do correct me if this has been posted before and I'm sorry for double postby thejollygrimreaper - General
Quotesarf2k4 Quotethejollygrimreaper Quotesarf2k4 Hi, I am wondering about a springless extruder design found on most 'some proprietary' 3d printers such as zortrax and up or other brand that didn't use spring to grip the filament. Is there any working design for this idea in reprap? Do correct me if this has been posted before and I'm sorry for double post if there is any yes there is a extruby thejollygrimreaper - General
Quotesarf2k4 Hi, I am wondering about a springless extruder design found on most 'some proprietary' 3d printers such as zortrax and up or other brand that didn't use spring to grip the filament. Is there any working design for this idea in reprap? Do correct me if this has been posted before and I'm sorry for double post if there is any yes there is a extruder available but there is some explaby thejollygrimreaper - General
i know it's probably a little late , to do pipe shapes i have some relatively painless code i wrote a while ago: $fn=127; diameter = 10;// outerdiameter india=5; // innerdiameter length=20; // overall length rad=diameter-india; offset=diameter/2-rad/4; union(){ translate([0,0,rad/4])rotate_extrude()translate()circle(r=rad/4); #translate([0,0,length-rad/4])rotate_extrude()translate()circle(r=by thejollygrimreaper - OpenSCAD
a 3mm hole inside a 4mm thread isn't going to work out very well if at all as the wall thickness will be very thin , i would recommend tapping a M6 thread instead , M6 pushfits are also easier to get hold ofby thejollygrimreaper - General
This is the Aluhotend V7. Prints ABS , PLA , NYLON , PET ,Glow in the dark filaments, Wood , available in 1.75mm or 3mm in "bare" ,"kit" and "prewired" cofiguration Now available with free shipping to most parts of the world Priced at only $39Aud 3dindustries webstore 3dindstries ebayby thejollygrimreaper - For Sale
to clear a few things up: it is not forbidden to talk about the AZSMZ boards you can talk about whatever you like. The AZSMZ board used to have a page on the wiki however it was removed after repeated warnings about false claims of being opensource, CxAndy ignored both the "Not Opensource" and "Advertising" tags and at one point removed them illegitimately he made it very clear to us the thereby thejollygrimreaper - Controllers
if you click on "control center" on the top right of the page and on the left you will see "edit signature" optionby thejollygrimreaper - Administration, Announcements, Policy
Quotelibre3d @thejollygrimreaper I agree with your analysis on those posts and others like it. (2 posts were from an Indian company "MakeMendel"). As we push forward we could have new policies: (1) Open Source posts that only link to products will be removed if no source files are uploaded 1 week from the post start. (We can easily maintain this at the present time.) (2) Community reporting oby thejollygrimreaper - Administration, Announcements, Policy
I'm looking at the website now, can you outline what you intend to do with entries which don't support the opensource cause by not releasing sources in any capacity, eg: and what is the intended action in dealing with clear and obvious counterfeits: eg : also is there any planned policy to deal with the never ending stream of "fund my life" kickstarter campaigns using libre3d as a advertby thejollygrimreaper - Administration, Announcements, Policy
Try it again nowby thejollygrimreaper - Administration, Announcements, Policy
your first post doesn't make sense, is your first language english ?by thejollygrimreaper - General
QuoteADVANCESSSS Self replicating robots, no one has made one yet, they would multiple labor free and give us all the energy we need ect. The problem is at the end of duplicating, the robot cannot finish adding the last thing because that would require some more things in itself such as more data (1's & 0's) But I proposed a way. That is it. I said it. And was greeted by a 5 year old. But tby thejollygrimreaper - General
Quotealan richard Thanks - I'll have a think about that. So that's 'wait to finish command' after a 'home command.' Is that for the 'stuck on a MAX endstop' issue? Ta a it seems to work for mine, i eventually modified my version of marlin the automatically buffer a g28 command so i don't need to use M400by thejollygrimreaper - CoreXY Machines
Quotealan richard I note the following; If one axis is on its MAX endstop, the other axis can't be moved until the first axis is taken from the endstop, Although MIN and MAX both work for independent carriage moves, - I've had a situation where I've issued multiple moves from Pronterface. Maybe one of the motors skipped, not sure, but the axis has crashed into its stop and tried to screech itsby thejollygrimreaper - CoreXY Machines
can you take a photo of it ?by thejollygrimreaper - General