rebekah_harper

It's a toss up between UI redesign, Print Core profile with override or start/stop print at user defined height. I would love to be part of the UI design. Although I am well behind the curve on the coding side for UI, I can present the layout graphically and explain features that would improve the layout. or help improving the UM3's design for use with PVA hope you enjoy the cookies Rebekah Anderson

Not sure what you mean exactly but 3d solex supply full cores and I think they do the nozzles separately too. I have two of their cores and they work brilliantly. one is at 0.15mm and the other is at 0.25mm

are you print cores fully in. pushed in until you hear a click. also make sure they are able to fully go in. I have had the little spring in the tip come out and prevent the core from fully going in.

try this, take a small wire brush and go to the move function in the menu, poke one of the wires up into the nozzle and move the wheel to extrude. do that a couple of times and it might solve your problem. I think you just have a build up burnt material inside the nozzle.

take the head apart you should be able to get away with just the 4 top screws. once there is a little lift you should be able to remove the bowden clip (white thingi) if its stuck in the metal piece then you'll have to dismantle most of it. just take your time and don't force it.

I went through most and it seems to work for them apart from UM2 flavour. go figure lol

Change the printer flavour to reprap in printer machine settings

sorry to say but you're incorrect. they are two completely separate things. as you can see you can get a price on any machine. it just need to know how much material it needs to create the part. the slicer know how much filament it will be using so all it needs is the price/quantity purchased.

You'd be surprised but I found that the default settings work fine without a clogged core so this might be the problem. I've had nightmares with the BB core and although I am happily printing now, it does sometimes give me grief. but a clean out and we're back on track. I try and be rigged with my PVA handling. I know from when running a Wanhao D4S it was horrible stuff to work with especially when affected by moisture. if during your print you hear popping or sometimes fizzing then you know you have a moisture issue. the main thing with moisture that the rapid change from "liquid" to gas does two things, force it's way out and whilst doing so push a little back. as a consequence you have a slight gap in overal flow of material and therefore, especially when going over a gap, it appears that extrusion is failing. the other thing that I found it does is cook the material within the nozzle this causes multiple layers to build up on the nozzle lining, this in turn shrinks the hole it's trying to push through. so if it's just building up layers it's fine as it can endure the small gaps. so I would explore the partially clogged nozzle which doesn't clear with a quick clean session via the printer settings but a prolonged session where you get a nice piont on the end of the filament. hope you have more luck with it. regards Rebekah Anderson

If you look on the left and select one of the preset layer heights and then select the 0.05 one it will set everything to default you need to discard your ones upon asking.

But it shows for others... could you send me screen shots of the material in use on your slicer and and the material profile you edited and I will see if I have the same issue.

Hiya, is it safe to asume you tried defualt settings in CURA? could I see the G-Code too please. there has to be something off. many thanks Bex

Here are the parts I made that are mounted on the Dehydrator. PARTS

hiya I have a funny feeling that the nozzle is blocked and it's not extruding enough. this build up happens over time and you'll need to keep on top of. the speed of the build up seems to increase with moisture content. I have found that dealing with the moisture solves most problems with PVA. this is what I had where there was only 1mm hole for about 10mm. I have found a way to mitigate against moisture and have posted a solution.keeping it dry I have sufferd like you and it eventually destroyed a core in the end. something that I strongly believe Ultimaker should devise a solution for.

double check you are adding it to the material profile that's being used. I missed it and found that the one I was using was way lower in the list than the one I thought I was using.

hiya, could you let us know what printer you're using, what material you are trying to extrude and temperature settings.

hiya, I am intrigued by this, clearly it shouldn't happen. the only thing I can think of is massive over extrusion and it's building up the material by pushing it to form bigger steps. this is assuming you have the correct printer setup in cura. if you are printing with PLA i'd lower the temp to 200 instead of 225.

hiya all. there are all sorts of solutions. I created a drum that went round the reel as a starter for ten. I have designed a case which I am yet to order the plexiglass for. however, I decided to try something different. A FOOD DEHYDRATOR. so I went for it, found one for £23,-. Initially I thought it would be a main section and had tiers inside it. however that wasn't the case. It is all made up from layers. So ok, I decided to keep 2 with their grated bottom and removed the rest of them. Idea is to contain 2 spools. I then designed a spool mount so they would sit nicely in the middle and allow to rotated. I then designed a tube holder to mount on the outside so that I can feed the filament without removing it from the Dehydrator. added a pneumatic fitting to hold the PTFE tube in place. and this is what I ended up with. there are two spools of PVA in there at the moment. and one feeding tube. (only because that's all I had) one of them has been playing up and low and behold, 1hr at 50deg and boom all was well. so for about £30,- I have a fully wooorking solution. I will upload the parts I designed. I am also going to make a frame to go around the feeeder so I can hold the feeding tube in place during retract. let me know what you think Rebekah Anderson

are you using the same Gcode flavour in cura as you are in S3D. is it Sallfish fiemware? it's under printer settings in cura and in Gcode tab on S3D. hope this might be the answer.

that dry box looks exacly like a food hydrator lol. not sure what they actually did to get there. there is also this PolyBox a more unique design.

Hi rebekah_harper, thank you for your response. When I print my PVA is on the classic spool holder. It is true that between two prints I do not always store it back in my storage box. Thank you for your clear answer. Glad you found it helpful. I tend to print a lot with PVA and found that regular cleaning is required. the need to get used to the feel of the pressure when putting PLA through for cleaning is important. once you know how it feels when the nozzles is clean will help you gauge when you can stop cleaning. I have applied a few measures and found that it only minimises and doesn't solve the entire problem. but I have only had one blockage for the last month and a half. check out FOOD DEHYDRATOR, a stange but effective idea. it will make drying out your filament easier. regards Rebekah Anderson

glad to hear it. maybe you have asbestos finger lol how long after the print stopped printing did you touch it. they can cool relatively quickly. one for the books

So true. I did that a while ago in S3D I had small discs that I would add to corners and resize then in what ever way I wanted them in order to create feet for better bed adhesion. I also did the pillar thing I just made a square and it was treated as a seperate object but when I increased the size as I desired so that it would sit inside the model slightly it would blend as part of the original model. on the left side in CURA where you find move, resize, mirror etc... there is settings for model, select the model you want to have independent settings for and what ever you select are the only settings that will be different, the others will be the same as the global settings in the main panel. you can create all sorts of shapes for your primary support pillar. pyramid, cylindrical, square, oval.... what ever suits best. and you can still have the normal support structure with it too if you desire.

True I managed to get my angles mixed up.

If you apply the horizontal expansion but enter a negative value it will compensate but it will apply it to the whole model. Having said that if the holes aren’t the right size then nor would the model be the right size.