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Anycubic Photon Printer Owners 造訪社團 » Prusa

原文網址 Michael Rieser
2020-03-23 06:14:22

These are photos of the same coronadice. Since Changing the FEP earlier this week, I haven't gotten any successful prints. I've switched to this model as it's small and demonstrates the problem. I either get supports and no object on the build plate or distortions like these.

I have releveled. The problem seems related to changing the FEP. As for temperature, my house hasn't changed, but I'm sure warmer would be better for the resin.

This is a Photon S. Anycubic ECO Resin. Prusa supports at 100%. Photon Workshop slicer (latest version).

50 um lyaer thickness
5 sec normal layer
2 sec off time

30 sec bottom
6 bottom layers

5mm Z-Lift Distance
2mm Z-Lift Speed

3mm/s Z Retract Speed

Any help is appreciated!

翻譯年糕

Fred Breton
2020-03-23 06:54:03

Increase exposure by 2 sec

Michael Rieser
2020-03-23 08:03:36

Thanks!
You've prompted me to try printing this:
https://www.thingiverse.com/thing:4123340

Michael Rieser
2020-03-23 10:13:41

Michael Rieser
2020-03-23 10:13:52

I

Michael Rieser
2020-03-23 11:38:48

Fred Breton My wife and I determined #4 (6 secs) was the best. I'll retry with that tomorrow. Thanks!

Michael Rieser
2020-03-24 02:29:16

Fred Breton My Corona!
I didn't think changing the FEP (my first) would have affected my exposure settings. I believe my old FEP must have been much looser than the replacement.
Thanks again!


原文網址 Quinn Mehling
2020-03-21 08:46:32

I got some model files the other day and they are huge. when I import into Meshmixer it crawls like molasses in freezing weather. Chitubox wont load it and Prusa slicer is really slow. Nettfabb wont allow it to upload because of the file size. I just want to hollow and add drain holes but Meshmixer does not like it and that's the only way I know how to reduce it.

Anyone have alternate suggestions? I know its not my computer, I opened multiple other files and no issues.

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Jim Nelson
2020-03-21 08:59:35

Following, because I have a file with similar issues.

Scott Pavlich
2020-03-21 09:01:18

How large is the file?

Quinn Mehling
2020-03-21 09:03:28

Scott Pavlich one of the files 427.5mb

Quinn Mehling
2020-03-21 09:05:27

All the files in this model are acting like this. Thought maybe something was wrong and tried sending to nettfabb. It won’t accept it because it’s over the 400mb.

Quinn Mehling
2020-03-21 09:30:41

I finally got Meshmixer to crawl through and reduce the file size.
427.5MB > 225.2MB

Hoping it doesn't affect the print resolution, guess I'll have to reduce all the files so it looks the same just in case.

Scott Pavlich
2020-03-21 09:46:06

Quinn Mehling While you’re computer might be fine, many times the weak link is with the graphics card. I’ve had to update all my cad computers over the years to handle ever increasing cad files. Any 3D model is math- intensive so that, RAM, and a fast processor make life a lot easier on large files

Quinn Mehling
2020-03-21 09:50:58

thought about that too, currently running 2, ATI HD5770 Mac editions

probably wouldn't hurt to up them. haven't had too many issues running Zbrushcore or Maya.

Tyron Craft
2020-03-21 11:58:48

Did you solve the problem by reducing the file size? Having the same issue atm

Quinn Mehling
2020-03-21 19:59:33

Tyron Craft I believe so, I had to reduce it quite a bit. The render looks ok but I’m going to print it today on the photon and see how the quality is.


原文網址 Larry McCauley
2020-03-19 08:06:58

Hi everyone. I have a question about Photon File Validator. I have been using auto-support in the Prusa Slicer as I was appalled by what was happening in auto-support in Chitubox! On smaller items there was the odd stray single pixel island but nothing to really worry about. But now I am printing something larger and the amount of islands has naturally increased. I add supports in Prusa, slice in Chitubox and send the exported .photon file to the validator. But now there are more islands and the message "blah blah but nothing can be done." appears.

I return to Chitubox and go to the layers delineated in the validator and for the life of me, I cannot see any islands. I go up a layer, and up a layer but still none appear. I'm beginning to doubt my sanity.

So is it OK to just print with these "islands" in the piece for which "nothing could be done" in the validator?

Obviously, once outputted as a .photon for the validator, I can't send it back into the Prusa Slicer...

Thank you *so much* to anyone who can shed some light on this. It's been driving me spare. I have gone through several YouTube videos but my work is somewhat different from the models used to teach with.

翻譯年糕

Ben James Couey
2020-03-19 08:11:06

Tim Moulton
2020-03-19 08:15:13

Larry McCauley
2020-03-19 08:24:06

Larry McCauley
2020-03-19 08:24:14

Ben James Couey
2020-03-19 08:30:04

Ben James Couey
2020-03-19 08:31:06

Ben James Couey
2020-03-19 08:36:36

Larry McCauley
2020-03-19 08:52:53

Larry McCauley
2020-03-19 09:18:28

Ben James Couey
2020-03-19 09:22:07

Larry McCauley
2020-03-19 09:44:46

Michael Pescuma
2020-03-19 10:17:19

Larry McCauley
2020-03-19 10:44:33

Larry McCauley
2020-03-19 10:50:57

Ben James Couey
2020-03-19 10:53:26

Larry McCauley
2020-03-19 10:58:13

Mario Wessely
2020-03-19 15:56:10

Michael Pescuma
2020-03-19 21:36:03


原文網址 Alex Bainbridge
2020-03-18 22:45:52

Just spent 20 minutes trying to find an island on layer 318 after validator spotted it

Just for me to realise that prusa wasn’t set to 0.4 but chitu was when I sliced it ?‍♂️

EDIT: turns out even both at 0.4 it’s still off by 6 layers. Unsure if this is because I changed prusa after doing supports and exporting but it’s now causing some pain

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Garret Bertrand
2020-03-18 22:53:30

罗西晟
2020-03-19 00:46:35

You know, in the latest photon file validator, you can locate the island, click it in the preview and it gives you a zoomed in view, where you can left click to add pixels and right click to remove pixels....
If the auto fix it doesnt work I do it manually, and if you remove something that is supporting a higher layer, that layer will then show up with an error for you to correct.


原文網址 Terry Hobbs
2020-03-18 03:36:00

I learned my lesson about auto supports, they suck. I tried auto supports from Chitubox, Prusa slicer, and Photon workshop. All failed. Placed my own in Chitubox, worked like a charm. Lesson learned. Next!

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Rory Kostman
2020-03-18 03:37:54

I use a combination of Chitubox "auto-supports" and then a thorough examination of islands and manually-placed supports. Then the Photon File Validator

Tobi Altebaeumer
2020-03-18 03:39:54

I like prusa because I don't have time to muck about for an hour with each model.

I did have to beef up the default settings ever so slightly, and I always add a few supports manually in areas that I know will need it (usually leading edges), but I don't have the time or patience to place them all manually.
That being said, I think you do ultimately achieve better results placing them manually.

Omar Silva
2020-03-18 03:43:19

I do Prusa for auto-orientation and supports, then open in Chitubox and manually place supports where needed.

Tobi Altebaeumer
2020-03-18 03:45:38

Do you do a z-lift of 0 in chitu then? It would be nice to have access to some heavy supports...

Cory Dolbashian
2020-03-18 03:47:06

Prusa auto have worked perfectly for me IF, you also run the thing through photon validator and manually fix any islands

Omar Silva
2020-03-18 03:49:10

Yeah zero z-lift. I find that generally Prusa auto-supports do a good job at placing enough supports to handle the load of the model, so I just find any stray islands and put light supports where needed.

Christopher Barnes
2020-03-18 04:12:25

Omar Silva this is also what I do. Works great.

Evan Boone
2020-03-19 00:38:50

a healthy mix of auto with the file validator to get what auto missed is my approach. very few failures.


原文網址 Murathan Araz
2020-03-18 01:11:47

Did anyone had the chance to compare Prusa SL1 with Anycubic side by side?

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原文網址 Davy Struyf
2020-03-17 09:50:42

Printed out some more minis for a order. Impressed with the OG photon. Pretty much no issues other than slicers like prusaslicer and chitubox liking to skip island while knowing they are there. Thank god for that validator.

Everything done on the OG photon with elegoo grey at 0.02 layer heights 8 seconds 6 base layers at 60 seconds.

列印了一些迷你訂購. 對og光子印象深刻. 幾乎沒有其他的問題, 比如普魯斯利克和chitubox在知道他們在那裡時喜歡跳過島. 感謝上帝賜予那個驗證器.

在og光子上完成的一切, 與elegoo grey在0.02層高度8秒60秒6底層.

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原文網址 Keith O'Donnell
2020-03-16 19:49:18

Does anyone here know of a way to have Prusaslicer not add supports under a based model? For based stuff, I have much better luck printing upright directly on the plate, but otherwise their autosupports are nice and speed up the workflow quite a bit.

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Felix Flauta Jr.
2020-03-16 20:17:49

Hopefully someone can answer but theres a setting. Ill check after work

Christian Savarda
2020-03-16 22:34:04

Can you adjust the z-height to 0 before adding supports in Prusa? This way it disregards supporting the base. Works for me in Chitubox.

Keith O'Donnell
2020-03-17 00:49:43

Can't seem to in Prusaslicer, even before adding supports. Just bounces the number back to a default.

Keith O'Donnell
2020-03-17 00:54:25

It looks like moving to Chitubox for all of my supports is the way to go. I've found that running medium autosupports at 50% density does a decent job of mimicking what Prusa was putting out.

Felix Flauta Jr.
2020-03-17 13:28:26

Keith O'Donnell In Prusa Slicer,
Go to Print Settings.
Support Pillar
Object Elevation 0
Select Pad around Object.

Felix Flauta Jr.
2020-03-17 13:28:34

i think that'll work


原文網址 Pete Frith
2020-03-16 17:09:03

Hi all,
I’ve seen a number of posts where people are using different programs (prusaslicer/photon slicer etc) for different stages of the slicing/printing process.

Are there any step by step guides on doing this?

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Peter Csaki
2020-03-16 17:17:02

1. Open the anycubic slicer once to see it, never use it again.
2. Use Chitubox.
3. See that Chitubox can't do some stuff or is bad at it.
4. Use prusaslicer for supports. Slice in Chitubox.

I went a different way because I print things where size matters.

Merv Hinton
2020-03-17 03:28:43


原文網址 Jonathan Shih
2020-03-16 16:39:44

Tried to print again using my photon...
1. The upper side looks great, but I failed again on the back side...should I try using Prusa for auto supports?
2. Some of the heavy supports also merged. I may have under exposed a bit too am I right?
3. See fifth picture below, the whole piece distorted a bit from a certain layer. Not too sure how I can improve that...

Settings:
Slicer: Chitubox
Material: Anycubic ECO clear
Exposure: 11; Base Exposure: 55;
Layer height: .05

Supports setting as per 3DPrintingPro’s setting

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罗西晟
2020-03-17 02:47:21

How (and when) are you removing your supports?

I can imagine you get those potholes by just tearing the supports off...

Also if you watch 3DPrintingPro’s youtube again, he tells you he puts the heavy supports to make it stick to the buildplate but that it also (could) damage the model... which is why he "hides" them on a side that is not seen...

Jonathan Shih
2020-03-17 09:10:47

Xi-Sheng Luo After printing I clean the print with IPA and put in under the sun for 15mins.

The supports are removed after that but I admit I did tear them off a bit (as they are a bit too hard...)

Sorry I’m a total newbie and made quite a bit of mistakes... will watch 3DPrintingPro again as I may have missed a lot of important bits from the videos...

罗西晟
2020-03-17 14:22:02

Jonathan Shih possible damage aside, if you remove the supports before curing in the sun, there should be less damage.
Still some, but less.

So: Print -> Clean -> Remove Supports -> Cure.

Jonathan Shih
2020-03-17 14:35:53

Xi-Sheng Luo thanks for your advice, still a long way for me to learn in this 3D printing journey...


 

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