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Author Topic: So ... 3d Printers....  (Read 38613 times)

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HaRuMaN

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Re: So ... 3d Printers....
« Reply #240 on: November 07, 2017, 09:28:55 pm »
Which was the top?  Z?

yotsuya

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Re: So ... 3d Printers....
« Reply #241 on: November 07, 2017, 09:32:18 pm »
Btw, I janked up the bottom pulling it off the bed.
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Re: So ... 3d Printers....
« Reply #242 on: November 07, 2017, 09:46:29 pm »
You said you didn't touch cura's settings at all.  I'm assuming you created a machine profile for the anet right?

It looks like your nozzle size is wrong so I would say there are issues in your profile.  I can send you one to make sure. 

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Re: So ... 3d Printers....
« Reply #243 on: November 07, 2017, 09:52:05 pm »
You said you didn't touch cura's settings at all.  I'm assuming you created a machine profile for the anet right?

It looks like your nozzle size is wrong so I would say there are issues in your profile.  I can send you one to make sure.
I did a machine profile at the start.

The Anet troubleshooting guide says to up the fill layers. Itís not the test cube that comes with Skynet, itís one I got off Thingiverse.
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Re: So ... 3d Printers....
« Reply #244 on: November 07, 2017, 10:04:39 pm »
Is it a stl or something pre-sliced?  Something is certainly wrong because the test cube I printed didn't have that kind of separation.  I used the included cube though.  Having the bed off level would only effect the bottom of the print unless it's REALLY off level.  Upping the fill layer probably won't help because we aren't seeing separation on the z axis but rather on every axis.  Actually those look like diagonal lines, which shouldn't be possible unless there are diagonal lines on the 3d model.  What's the elevation like in AZ?  It effects baking so I suppose it could effect 3d printing.  I'm honestly kind of dumbfounded at the results you are getting. 

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Re: So ... 3d Printers....
« Reply #245 on: November 07, 2017, 10:16:26 pm »
Maybe Iíll do the default cube next. Could be a ---smurfy--- stl.
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Re: So ... 3d Printers....
« Reply #246 on: November 07, 2017, 11:37:49 pm »
I would go to the anet a8 facebook page and post your pics.... maybe someone over there have ran into similar issues

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Re: So ... 3d Printers....
« Reply #247 on: November 08, 2017, 12:36:53 am »
I figured it out. Like I said, I was running on default settings. It was pretty much set up like if you were using a new ink jet printer, and it was set to economy mode. I adjusted the settings and look at my new print...

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Re: So ... 3d Printers....
« Reply #248 on: November 08, 2017, 12:37:45 am »
Oh, and the filament was set on the wrong size.
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Re: So ... 3d Printers....
« Reply #249 on: November 08, 2017, 01:35:56 am »
Oh, and the filament was set on the wrong size.

I thought so.  ;)

That looks a lot better.  With some more tweaking you can get an even straighter cube, but you are in the ballpark now, so no need to swim to China and complain.  :)

What temp are you setting the hotbed to?  I realized after a while that heat isn't really necessary for pla.  You can really print with it off, but I found 40c is just warm enough to help you pry the print off without melting the bottom of the print.  It really depends on what you are printing though. Playing around with settings can drive you mad.  I would suggest you start printing utilitarian objects right now so you can tweak as you go and not get frustrated about "ruined" prints. 

Anyway, welcome to the club man..... you'll be printing cool swag in no time. 

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Re: So ... 3d Printers....
« Reply #250 on: November 08, 2017, 02:48:39 am »
ProTip request - do you print out one thing at a time, or do you print out a bunch a little things all at once?

Cube is look in good dude!  :applaud: :applaud:
It takes a minute to learn what to tweak and when to tweak it. Once you get the bed level you shouldn't have to mess with it too much after.

As Howard mentioned printing multiple parts simultaneously can cause issues. If one messes up it usually messes everything up. Printing 2 things at a time If the parts are not to complicated should be fine.

I am not sure if CURA has an option to print each part individually or not. I ended up buying Simplfy3d which allows you to do individual parts, with their own settings/speed/infill.

HaRuMaN

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Re: So ... 3d Printers....
« Reply #251 on: November 08, 2017, 08:45:36 am »
Do yourself a favor and buy a PEI sheet now.  This is the one I bought:

https://www.amazon.com/dp/B074XK8BWY

No more messing with tape.  When the print cools it pops right off.  It also gives your print a smooth as glass bottom. 

Sheet starts becoming less "sticky"?  All you have to do is wipe it down with rubbing alcohol. 

I hold mine to the hot bed with tiny binder clips, works great.   

yotsuya

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Re: So ... 3d Printers....
« Reply #252 on: November 08, 2017, 11:08:14 am »
Ok, so Iím an idiot.


Iím going through the Operation manual this morning, and I see a whole section on Cura settings. I just kind of jumped into it, so nothing is optimized for my printer.

I canít wait for work to be over so I can go set it up right.
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Re: So ... 3d Printers....
« Reply #253 on: November 08, 2017, 11:21:41 am »
Do yourself a favor and buy a PEI sheet now.  This is the one I bought:

https://www.amazon.com/dp/B074XK8BWY

No more messing with tape.  When the print cools it pops right off.  It also gives your print a smooth as glass bottom. 

Sheet starts becoming less "sticky"?  All you have to do is wipe it down with rubbing alcohol. 

I hold mine to the hot bed with tiny binder clips, works great.

Ordered.
***Build what you dig, bro. Build what you dig.***

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Re: So ... 3d Printers....
« Reply #254 on: November 08, 2017, 11:50:34 am »
I hold mine to the hot bed with tiny binder clips, works great.

I get the self adhesive kind and spend a half hour scraping the bed with a razorblade and goo gone before applying a new one.  ???


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Re: So ... 3d Printers....
« Reply #255 on: November 08, 2017, 12:55:02 pm »
I hold mine to the hot bed with tiny binder clips, works great.

I get the self adhesive kind and spend a half hour scraping the bed with a razorblade and goo gone before applying a new one.  ???

Yeah forget that.  Binder clips ftw. 

yotsuya

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So ... 3d Printers....
« Reply #256 on: November 08, 2017, 01:01:16 pm »
***Build what you dig, bro. Build what you dig.***

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Re: So ... 3d Printers....
« Reply #257 on: November 08, 2017, 02:12:28 pm »
Dang!  That's even a few bucks cheaper than I got mine last year.  I'll bet a new model is about to come out.  I think if you have the room for one and the patience to fool with them it's time to get one if you are a tinkerer.  There's never been a better selection of cheap, open-source printers with highly active communities.  I've got a few arcade-related models I'll be working on this winter you guys might be interested in as well.  ;)

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Re: So ... 3d Printers....
« Reply #258 on: November 08, 2017, 02:29:51 pm »
That's actually within the realm of affordability for me.  I might bite.

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Re: So ... 3d Printers....
« Reply #259 on: November 08, 2017, 02:37:19 pm »
...holy...---steaming pile of meadow muffin---....

This forum needs more threads about Arcade 1Up cabinets.

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Re: So ... 3d Printers....
« Reply #260 on: November 08, 2017, 03:02:01 pm »
Wow, I have no interest in getting one of these, but I enjoyed this breakdown, Sammy!!!

I have to thank you, Howard, and SammyWI for really being detailed and piquing my interest. In the end, it was Vigo who pushed me over the edge. More later.

3 hours to go!!!
***Build what you dig, bro. Build what you dig.***

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Re: So ... 3d Printers....
« Reply #261 on: November 08, 2017, 05:06:52 pm »
So what will you be printing with it? 
This forum needs more threads about Arcade 1Up cabinets.

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Re: So ... 3d Printers....
« Reply #262 on: November 08, 2017, 05:26:49 pm »
So what will you be printing with it?

Weed cards
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Re: So ... 3d Printers....
« Reply #263 on: November 08, 2017, 05:27:17 pm »
Actually, just odds and ends to make stuff easier in this hobby.
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Re: So ... 3d Printers....
« Reply #264 on: November 08, 2017, 05:31:51 pm »
Actually, just odds and ends to make stuff easier in this hobby.

Atari Cone buttons.

If you can read this, it means Photobucket's money grab ruined my signature photos.

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Re: So ... 3d Printers....
« Reply #265 on: November 08, 2017, 05:34:53 pm »
Wife's been giving me ---steaming pile of meadow muffin--- for all the stuff I've been printing... the other day she asks me if I can print her a razor holder for the shower.  Muah!  :burgerking:

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Re: So ... 3d Printers....
« Reply #266 on: November 08, 2017, 05:52:33 pm »

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Re: So ... 3d Printers....
« Reply #267 on: November 08, 2017, 06:54:15 pm »
Wow, I have no interest in getting one of these, but I enjoyed this breakdown, Sammy!!!

I have to thank you, Howard, and SammyWI for really being detailed and piquing my interest. In the end, it was Vigo who pushed me over the edge. More later.

3 hours to go!!!

We all knew you were going to get one. You have a very creative mind and this fits right in there.

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So ... 3d Printers....
« Reply #268 on: November 08, 2017, 06:56:50 pm »
Wow, I have no interest in getting one of these, but I enjoyed this breakdown, Sammy!!!

I have to thank you, Howard, and SammyWI for really being detailed and piquing my interest. In the end, it was Vigo who pushed me over the edge. More later.

3 hours to go!!!

We all knew you were going to get one. You have a very creative mind and this fits right in there.

Yeah, Sammyís early info and you and Howard have been extremely helpful these last few weeks. I appreciate it.

Actually, I want to print some zap con swag for everybody that comes, so let that be some incentive for you!
***Build what you dig, bro. Build what you dig.***

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Re: So ... 3d Printers....
« Reply #269 on: November 09, 2017, 09:40:02 pm »

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« Last Edit: November 09, 2017, 11:14:07 pm by JDFan »

yotsuya

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Re: So ... 3d Printers....
« Reply #271 on: November 10, 2017, 12:15:33 pm »
Ok, so Iíve got the hang of bed leveling and all that other stuff. Here is a picture of a bracket I printed to attach the MOSFET to the main board.



Iím generally happy, although you can see that the post holes are pretty rough. I can clean up the internal holes with a drill, but Iíd like the outer diameter to be a bit more round. So now I guess itís time to tweak the other settings.

Any suggestions for optimizing my prints? Any magic numbers or checkboxes I should pay attention to?
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Re: So ... 3d Printers....
« Reply #272 on: November 10, 2017, 12:52:12 pm »
Based on the bracket you printed Id say you may be over extruding (blobs everywhere, holes are smaller then expected)

To fix the over extruding I think in Cura you would change the FLOW settings. By default its at 100, maybe bump it down a little.

A good way to test is print a 10x10x5 test cube. Then measure it with a caliper, if it comes out larger lower the flow rate. Bump it down to like 96 and print, measure again.

The stringing can be caused by the temp being to high or the retraction settings need to be adjusted.

Lines on the top layer (Dragging) is usually an indication that the nozzle is too low, try raising just a tad.

Here a good Troubleshooting Guide that I always turn to if I need help.

And last SPEED. You will eventually find your printers sweet spot, both of mine are usually 50-60 mm/s. For smaller prints I will go lower
« Last Edit: November 10, 2017, 01:02:44 pm by 05SRT4 »

yotsuya

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Re: So ... 3d Printers....
« Reply #273 on: November 10, 2017, 01:22:19 pm »
Based on the bracket you printed Id say you may be over extruding (blobs everywhere, holes are smaller then expected)

To fix the over extruding I think in Cura you would change the FLOW settings. By default its at 100, maybe bump it down a little.

A good way to test is print a 10x10x5 test cube. Then measure it with a caliper, if it comes out larger lower the flow rate. Bump it down to like 96 and print, measure again.

The stringing can be caused by the temp being to high or the retraction settings need to be adjusted.

Lines on the top layer (Dragging) is usually an indication that the nozzle is too low, try raising just a tad.

Here a good Troubleshooting Guide that I always turn to if I need help.

And last SPEED. You will eventually find your printers sweet spot, both of mine are usually 50-60 mm/s. For smaller prints I will go lower

Cool. My flow rate is 100% and the temp is around  220. Speed is 30, I think.
***Build what you dig, bro. Build what you dig.***

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Re: So ... 3d Printers....
« Reply #274 on: November 10, 2017, 01:57:57 pm »
I have a different printer, but will mention a few things.

I print PLA at 190-195, but different brands of filament have required different temperatures.
Hard to tell from the pic, but the first layer looks blobb-ier.  There are separate settings for the first layer in Cura.  You might double check those.

One of the little things that improved my prints was making sure the wall thickness was set to a multiple of the nozzle diameter.

(I'm using a monoprice mini select.  For those who have one, awesome wiki here: https://www.mpselectmini.com/ )

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Re: So ... 3d Printers....
« Reply #275 on: November 10, 2017, 02:18:47 pm »
On both my printers I usually print PLA at 195-205

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Re: So ... 3d Printers....
« Reply #276 on: November 10, 2017, 02:20:20 pm »
My nozzle is 0.4, I think.
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Re: So ... 3d Printers....
« Reply #277 on: November 10, 2017, 02:30:44 pm »
My nozzle is 0.4, I think.

Mine too.  I set my wall thickness to 0.8 for most things, 1.2 for things that will be a thin shell...

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Re: So ... 3d Printers....
« Reply #278 on: November 10, 2017, 02:31:36 pm »
My nozzle is 0.4, I think.

Mine too.  I set my wall thickness to 0.8 for most things, 1.2 for things that will be a thin shell...

Thatís helpful, thx.
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Re: So ... 3d Printers....
« Reply #279 on: November 10, 2017, 04:09:25 pm »
On both my printers I usually print PLA at 195-205

190 for me.  The key to good prints when you have to bridge gaps is to have the plastic cool and harden as quickly as possible so it doesn't sag.  If the plastic is melting fully then it's hot enough.