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Anycubic Photon Printer Owners 造訪社團 » Prusa

原文網址 Reggie Grahita Adhyatmaka Djatni
2020-03-30 10:10:23

I have question with PrusaSlicer for auto support. I used Prusa Slicer auto support and auto orientation for several times but always failed (like support not connected to the model). This time, with 100% density, I only got 2 support. Is it safe?


Robert Small
2020-03-30 10:13:25

They make a resin slicer?

Reggie Grahita Adhyatmaka Djatni
2020-03-30 10:13:53

They use 1 slicer for their FDM and resin machine.

Robert Small
2020-03-30 10:14:28

Well all I can tell you is not to auto support! And then you may be able to change the contact size and depth.

Stefan Ritchie
2020-03-30 10:15:33

Whack the density up to 200%

Reggie Grahita Adhyatmaka Djatni
2020-03-30 10:15:57

I understand what are you saying. But I want know why some people can print perfectly with only PrusaSlicer's auto orientation and auto support lol

Reggie Grahita Adhyatmaka Djatni
2020-03-30 10:16:18

still the same ?

Reggie Grahita Adhyatmaka Djatni
2020-03-30 10:18:12

Chitubox auto support gave me this

Stefan Ritchie
2020-03-30 10:18:40

Sometimes I add the following steps...
Export from Prusa with supports
Import into Chitubox
Go into the supports tab
Set to raise the model 0mm
Set the density low
Generate extra supports in Chitubox

Basically, double up, but keep Prusa's orientation and stuff, because that seems pretty reliable

Robert Small
2020-03-30 10:25:19

Reggie Grahita Adhyatmaka Djatni
2020-03-30 10:33:18

What do you do about the raft?

Mark Wardle
2020-03-30 11:14:34

this would fail. the lowest supports are to small. in the support section top right corner Z-height lift or something like that default is 5 set it to 7 or 8 then redo the supports.

Mark Wardle
2020-03-30 11:15:04

same with the prusa slicer you need to raise the model of the bed more so it can form the minimum support length.

Stefan Ritchie
2020-03-30 13:35:19

Reggie Grahita Adhyatmaka Djatnika I usually leave it. I like the little angled lip it gives... makes it easier to remove the print

Reggie Grahita Adhyatmaka Djatni
2020-03-30 13:42:51

Just finished printing. Just as you said, the bottom section was failed

Reggie Grahita Adhyatmaka Djatni
2020-03-30 13:45:56

How do I raise the model in prusa? Everytime I tried to move it to z axis, it return the the plate

EDIT: Never mind, found it

Mark Wardle
2020-03-30 13:59:09

what was it. as i cant remember and i am sure me and others would like to know :)

Kerry Emery
2020-03-30 14:09:25

Cannot fully see the part but something like that would surely print straight off build plate

Reggie Grahita Adhyatmaka Djatni
2020-03-30 14:16:56

In print settings, you go to support section and turn off the "pad around object" to be able to edit the object elevation below it.

Reggie Grahita Adhyatmaka Djatni
2020-03-30 14:19:20

The part is like this

原文網址 Max Morris
2020-03-29 22:47:18

Trying to write a script that’ll auto orientate, then auto support in prusa slicer. Can do the auto supports and the expert of the STL, but can’t seem to find a auto orientate cmd line option, anyone know if it exists?


Derek Reihe
2020-03-29 22:48:04

google "do it again"

you can just make a mouse macro

Max Morris
2020-03-29 22:49:16

Not really what I was after as I was hoping to just be able set it going on around 100 models and then just leave it, can’t do that with a mouse macro

Derek Reihe
2020-03-29 22:52:14

sure you can

do the support part, save it using a spreadsheet or notepad w/ keyboard commands (click on window border, then arrow key down to select a cell, then copy, paste into save window file name)

click on the window containing the files, click down arrow, drag into chitu, repeat

it will take a few tries to get the script repeating perfectly but its entirely doable, ive done it with thousands of repetitions in CAD programs

Max Morris
2020-03-29 22:55:06

Derek Reihe I’ll give it a try but it seems massively more awkward than just a simple cmd line option like the supports and the exporting!

Derek Reihe
2020-03-29 22:56:19

you can try emailing them but I dont think what you are asking for exists

Max Morris
2020-03-29 22:57:43

Derek Reihe yeah, it’s what I feared, but that’s for the help!

原文網址 Quinn Mehling
2020-03-29 20:59:57

Ok folks, I need some input on a couple things.

Orientation, this is what Prusa Slicer keeps giving me. Not sure on the overhangs if they will work or not.

2nd thing is still the same model, just scaled up. I need to cut it in half to fit in the Photon, any tips to keep it from warping all to hell?

3rd i see a couple spots where the supports have gone through the model, any way I can reduce that?


Nikola Pijanac
2020-03-29 21:44:02

I would try laying it flat and let chitubox do the supports. See where it exceeds the boundaries and cut there, you'll stand a better chance of no warping. Your print time will be quicker. Choose the side for supports that will be least visible.

Yessik Ziiq
2020-03-30 13:42:52

That overhang will print, a helpful tip is that a standing X shape will almost always print, so a perfect 45 degrees is pretty safe as long as you have good build plate adhesion.

原文網址 Dan Gump
2020-03-28 22:29:46

Hi, because resin is getting more expensive I’m looking at my supports and was wondering if there is a way to decrease my thickness. I use Prusa supports and couldn’t find a setting there to decrease the thickness of them. Any suggestions?

It’s a lot of material to throw away.


Jordan Baldrige
2020-03-28 22:33:30

You are flirting with failed prints. And that is the biggest waste of resin.

Christopher Hayes
2020-03-28 22:34:33

You can set the thickness of the supports, along with all their other settings, by going on the right side of the program, it will show "Pad,Supports" under the stl, and you can right click on that and choose the settings you want to modify. That said, the thinner your supports, the more likely they will let go due to suction from the prints for a failure.

Sean Smith
2020-03-28 22:59:36

Failures create more waste than successes do because you have to use twice as much resin.

Making supports thinner increases the liklihood of failed prints.

Just make sure you add enough support so you only have to print something once.

Unless of course it is something you are making multiples of I guess.

Scott Pavlich
2020-03-29 06:34:25

Get rid of the raft and keep your support bases to 1.5mm thickness

原文網址 Jacob Palmer
2020-03-27 18:19:23

So, I have a bit of a problem with print volumes and the amount of resin used.

I am printing something that should, in total, use 9ml according to both Prusa and Chitubox.
Weighing it afterwards, it uses more like 11-12ml.
Im printing them in batches of 3, 35-40ml total.
Yet an almost full vat (measured at 60ml, so probably 50ml ) leaves the prints failing due to lack of resin.

Could it be that the last 10ml are not corretly located in the vat to finish the print, or is something else weird going on?

Any advice is welcome as I'm at a loss to whats happening

所以, 我對印刷量和使用樹脂量有點問題.

根據prusa和chitubox, 我正在列印的東西, 總共應該使用9毫升.
之後再重, 使用11-12毫升.
我正在列印它們, 總共3毫升.
然而, 一個幾乎滿的增值稅(測量為60毫升, 所以可能是50毫升), 因為缺乏樹脂而導致指紋失效.

可能最後10毫升沒有在增值稅中完成列印, 還是發生了甚麼奇怪的事情?

任何建議都是受歡迎的, 因為我對發生什麼都感到迷失

· 查看原文 · 為此翻譯評分

Scott Walter
2020-03-27 18:25:40

Is it hollow? Could some resin be trapped inside?

Aaron Shrive
2020-03-27 18:36:10

I don't think the volume calculations take into account any support material? are you weighing it after support material removal?

Jacob Palmer
2020-03-27 18:39:22

the supports are very minimal, and Im weighing the raft and adding a little extra for the rest of the supports. And I calculated it with support material in both chitu and prusa...

Jacob Palmer
2020-03-27 18:39:50

No, very thin parts, only about 3-4mm thick

Dave Dewees
2020-03-27 18:53:32

Probably inside the print. Like parts between hollowed areas. Sometimes when you Hollow the print, it seals off another part of the print that is also Hollow, but fills with resin because there are no holes for resin to escape from these sections. Check for that. It happens a lot on prints I've hollowed.

Jacob Palmer
2020-03-27 18:57:30

Nothing is hollow, the parts themselves are quite small, only 3-4mm thick.

Sander van Deijl
2020-03-27 18:57:57

How about the resin that sticks to the model and gets washed off afterwards? It is known the software estimates are showing less then used in real

You’re using resin on places the software doesn’t take in account

2020-03-27 19:03:22

Resin is stuck to the print, that is washed off, that can be quite substantial... so there is "loss" there.
Then there is resin that "sticks" to the buildplate, when your print is done, you will most certainly see some resin dripping off... leave it fo r long enough to regain most of it.
And then there is the resin that goes "on top of" the buildplate, since the build plate goes into the resin, there will always be some resin left on the non-print side....

Fred Bey
2020-03-27 19:03:41

Resin sticks to the model and the plate as it prints. That's what you have to clean off before final cure. Not a huge mystery.

Jacob Palmer
2020-03-27 19:06:50

Ahh, i think i have tricked myself by trying to be clever. I usually leave the prints waiting for an hour or so before cleaning to let the resin drip off. That would explain why there's resin left over but the print failed.


Fred Bey
2020-03-27 19:08:09

I do that myself. I think the longest I've let them 'drip dry' was 2 weeks. lol

Hope you get things squared away!

Juan Pablo Bagnon
2020-03-27 23:41:30

add more resin mid print, just be careful not to create bubbles. and careful not to shake the printer during opening, is difficult to gently open the door sometimes

原文網址 Kempster Kevin
2020-03-26 02:21:24

Prusa Slicers hollow function is so nice. Super accurate and smooth and you can edit it when you save the project file. Edit: you have to save the hollow as an stl, if you try to do a hollow then outo supports the inside gets filled with supports. If you save the hollow then do auto supports it works normally. Not great, but gettin there.

普魯薩切片空洞功能真好. 超級準確和光滑, 儲存專案檔案即可編輯. 編輯: 你必須將空洞儲存為stl, 如果你嘗試做空洞, 那麼outo支援內部就會充滿支援. 如果你儲存了空洞, 那麼自動支援它正常運作. 不是很好, 但得到那裡.

· 查看原文 · 為此翻譯評分

原文網址 Sol Aris
2020-03-25 08:02:01

Hi folks!

I did a little programming over the weekend and now I would like to share the results with you.

What it is about

I have extended the awesome Photon File Validator Tool from Photonsters by the import of Prusa SL1 file format, so that the files generated by PrusaSlicer can be read in directly, without detour via ChituBox or other slicers that support .photon file format. Additionally I have implemented a Print Host, which pretends to be a Prusa SL1 printer to PrusaSlicer, so that the file can be sent to the Photon File Validator with one click, without a roundtrip via file system.


The PrusaSlicer is - thanks to its excellent algorithms for auto-alignment and auto-support - very popular among Anycubic Photon users. Unfortunately, the currently common pipeline for print preparation is very cumbersome. Normally it works something like this:

1. Open the model in the MeshMixer or similar, hollow it out, put drainage holes in it and save it again.
2. Open the model in the PrusaSlicer, align it, generate support and save it again.
3. Open the model in ChituBox, adjust print parameters, slice and save.
4. Open model in Photon File Validator, correct errors and save.
5. Print

Even once, it's already time consuming. But if it turns out that there are still unsupported areas (and usually you will find this in the Photon File Validator, that's what the tool is for), you have to start from step 2 again. The whole open/save orgy over dozens of programs is very time consuming and just not fun. I wanted to change that.

Thanks to the new features in PrusaSlicer 2.2+ an external program for scooping out and drilling is no longer necessary, the slicer can do that by itself now. And thanks to the SL1 import into Photon File Validator you can do without proprietary slicers as an intermediate step, so it reduces the pipeline as follows

1. Open the model in PrusaSlicer, prepare it completely and transfer it to the Photon File Validator with a click on "Send to Printer".
2. Correct any errors in the Photon File Validator and save the .photon file.
3. Print

If there are some unsupported areas, simply switch to the PrusaSlicer window, fix the problem and click on "Send" again. This will reduce the time needed significantly.

Warning / Disclaimer

The software is still beta, and may contain smaller (and possibly larger) bugs. I do not take any warranty for functionality, possible damage to the printer etc. USE AT YOUR OWN RISK.


Currently no installers are provided. You need an installed Java-Runtime in version 11 or later to run the program. Download the JAR file and start the program with java -jar PhotonFileValidator.jar from the command line.

The complete source code (only necessary for developers) can be downloaded from my GitHub repository.


1. Start Photon File Validator with java -jar PhotonFileValidator.jar from the command line

2. The main window opens.

3. In the main window, click on Settings The setup dialog opens.

4. Make sure that "Print Host Settings / Current State" shows "Print Host is Running". If a problem occurs, change the port and restart the Print Host.

5. Under "Print Host Settings / Output directory", select the directory where the generated .photon files will be saved.

6. Click the button "Show PrusaSlicer settings" and follow the instructions to set up PrusaSlicer.

Basically you only need to adjust two entries in the default Prusa SL1 printer profile:

1. Set gamma correction to zero. This disables the anti-aliasing in the PrusaSlicer, as the anti-aliasing settings cannot be applied at the moment. However, this is not a limitation, as the built-in calculation in the Photon File Validator provides much finer control over the anti-aliasing settings. The import of gamma correction values is the next item on my TODO list.

2 (Optional) In the "Print Host upload" section, set the "Hostname, IP or URL" field to "http://localhost:8080" (or the port number you set). This setting allows you to send the file to Photon File Validator with one click after slicing, without having to save and reopen it.


Link Jar file: https://github.com/…/…/out/artifacts/PhotonFileValidator.jar

GitHub Repository: https://github.com/3ddc-solaris/PhotonFileValidator


Alex Engbæk Christensen
2020-03-25 08:26:37

Se lige her Steffen Andersen

Georgio Chloe
2020-03-25 14:04:11

Bo Nørgaard
2020-03-25 20:39:12

Thanks for making the Validator even better...

David Collinson
2020-03-25 20:40:30

Thank you for your great efforts Sol!

Robert Jeppesen
2020-03-25 22:20:32

You are the most amazing person alive! At least until I find something else shiny. But seriously, this is awesome, thank you.

Christopher Fugate
2020-03-25 22:51:32

If you're updating the Validator, are you taking requests?

Because the ability to flick up and down between layers while in the zoom-in mode would be hella handy.

Bo Nørgaard
2020-03-25 22:57:22

Christopher Fugate add your request to the GitHub, there are a small group of people who are currently improving the application.

Mimmo Lagonigro
2020-03-26 00:37:20

Thank you! Good work

Kyle McPherson
2020-03-26 03:25:38


Sol Aris
2020-03-26 04:22:33

Many thanks to all for the positive feedback. I've been busy printing for a couple of days now and so far every print has been successful.

As soon as I have implemented the gamma correction and cleaned up the code, I will make a pull request so that the changes are included in the main branch.

Robert Jeppesen
2020-03-27 09:38:07

Sol Aris Any idea what would cause this, or more importantly how to fix this?

Sol Aris
2020-03-27 10:32:24

Robert Jeppesen You need a newer Java version. The program runs from version 11, the error message says that you have Java 8 installed.

Robert Jeppesen
2020-03-27 10:32:55

Ok, thanks

原文網址 Shaun Reno
2020-03-25 01:45:43

I did the whole “optimal orientation and auto support” thing in prusa and then I exported as an stl. If I look at the file properties it says it’s an stl. I can’t however load it in chitubox or prusa. They both say it’s an invalid file type. What’s up?


Dan Elent
2020-03-25 01:53:56

Are you importing it or opening it?

Shaun Reno
2020-03-25 02:00:10

Dan Elent tried both

Jacob Hale
2020-03-25 02:14:08

"export plate as an stl including supports" option, this will save it as an .stl instead of a masked .sl1 file.

Dan Elent
2020-03-25 02:14:11

Where exactly do they tell you its invalid?

Shaun Reno
2020-03-25 02:18:27

Jacob Hale I did that.

Shaun Reno
2020-03-25 02:19:36

Shaun Reno
2020-03-25 02:19:43

Dan Elent
2020-03-25 02:53:27

Very strange

原文網址 Bryan Goh
2020-03-24 23:31:00

So i'm having this problem that when I mirror an object along its X/Y/Z axis on Prusaslicer, when I later export it as an STL to Chitubox it comes out as this shaded object that the printer won't print.
Someone mentioned its an Inverted Normal, but they also have no idea how to fix the problem of how to get it to print.

Does anyone have a solution?


Bryan Goh
2020-03-24 23:31:53

For example, i'm trying to mirror the right arm of a model to make a left arm.
But the left arm I mirror won't print, and comes out as a shaded object in Chitubox

Keith O'Donnell
2020-03-24 23:33:50

It sounds like it's treating the object as a separate model. Maybe try joining them in Meshmixer or something?

Bryan Goh
2020-03-24 23:40:59

Something like this

Darko Miljak
2020-03-25 18:22:09

Import into blender, go into edit mode, normals, recalculate outside. If you really cant do it, contact me here I can do it for you...

Bryan Goh
2020-03-25 18:22:39

Darko Miljak thanks man. I'll give it a shot.

Darko Miljak
2020-03-25 18:24:29

Darko Miljak
2020-03-25 18:25:07

select all with A and then recalculate, export as stl

原文網址 Charles Lease
2020-03-23 22:09:23

Ok, trying my first big print. have some questions -

Open in prusaslicer - right click - optimize orientation. Done

Add supports - i seem only to be able to auto add support in prusaslicer by slicing, which then makes an SL1 file, which chitubox can't open.

What am i doing wrong?


Alex Rallis
2020-03-23 22:11:03

You need to export the file with supports and it will create a new stl file. Open that in slicer of choice.

Charles Lease
2020-03-23 22:11:53

i can only export as a *.sl1 file, which chitubox can't open.

Paul Soucy
2020-03-23 22:12:39

Export as stl with supports

Alex Rallis
2020-03-23 22:13:10

Charles Lease under file there is a export with supports choice

Charles Lease
2020-03-23 22:13:56

export with supports is grayed out. and no supports show on the model. but pad/supports show on the right...

Charles Lease
2020-03-23 22:14:51

Alex Rallis
2020-03-23 22:14:59

I believe once you have supports showing the choice will be available.

2020-03-23 22:15:06

When in Prusaslicer, select what you want to Support, then on the left at the bottom you can select supports.
You can auto support or add manually. remember to select apply if you do manually.

Then the supports should be visible, you can choose file -> export -> export plate with support.

2020-03-23 22:15:26

Charles Lease there are no supports added yet.

Alex Rallis
2020-03-23 22:16:02

Charles Lease
2020-03-23 22:16:40

that's what i was missing, it was processing and i dind't realize it. thanks!

2020-03-23 22:17:06

the supports are not yet on your model

Charles Lease
2020-03-23 22:17:15

this communit is the best! it was slicing to create supports and i was impatient/didn't see the processing bar. took it only like 5s...guess too much coffee this morning...

Alex Rallis
2020-03-23 22:17:21

Alex Rallis
2020-03-23 22:18:31

Xi-Sheng Luo lol thanks, i was sending the pic for the poster.


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