PrusaSlicer 2.8 UPDATE! UI Overhaul, Prusa Connect Integration, AND MORE!

PrusaSlicer 2.8 is HERE! 🎉This small but powerful update will be a hit with fans of making things look good: A UI overhaul for the slicer, single perimeters on the top and bottom layers, and the G-code viewer showing ACTUAL speed! PLUS Prusa Connect integration!
What’s your favorite part of the latest PrusaSlicer update? Sound off in the comments below!
Links:
PrusaSlicer Github: github.com/prusa3d/PrusaSlice...
Cards:
PrusaSlicer Playlist: • PrusaSlicer
Orca Slicer Update: • NO MORE SEAMS on Your ...
PrusaSlicer 2.5 Update: • PrusaSlicer's BEST New...
PrusaSlicer 2.6.1 Update: • We NEEDED This Update!...
PrintFixFriday 139 (Where Revos got destroyed): • Clean Beds = Happy 3D ...
0:00 Intro
0:39 Update Overview
1:50 Prusa Connect Integration
4:02 Single Perimeter On Top/Bottom Layers
6:10 Profile Updating
7:24 Improved G-code Viewer
11:24 UI Changes
12:40 Prusa Connect Integration (revisited)
14:59 Feature Request
17:21 Prefer Clockwise Movements
19:11 Outro
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[@donsparish6615]

Yes, Orca Slicer would be nice as well.

[@3DMusketeers]

okay!

[@user-ho3nm8wm6u]

more Prusa slicer material. You do a great job of explaining. Great vid.

[@3DMusketeers]

thanks!

[@drstefankrank]

I would like to see scarf seams, arc overhangs and the test print generators from Orca.

[@3DMusketeers]

Prusa doesnt have the same seam issue Orca does, so I dont know if scarf is so useful IMO.

[@drstefankrank]

@@3DMusketeers Interesting, I wonder why. I tried to switch to Orca, but my results aren't that great compared to Prusa Slicer. Maybe needs more tweaking on my side. I imported my Prusa profiles to Orca, but they behave differently.

[@3DMusketeers]

I think prusa already integrates some form of it in their slicer? I am not sure..

[@yousyoussef14]

Thank you for helping my lazy a** finding where all the settings are. Didn’t wanna search/read 😂

[@3DMusketeers]

lolol, I am sure I missed some though!

[@woodwaker1]

Thanks for showing all of the new features. I have been using it for about a week and except for the menu I hadn't seen any differences

[@3DMusketeers]

I am sure I missed some, but glad you are enjoying!

[@Sembazuru]

I've been doing that only one perimeter functionality manually with height based modifiers. This can be a big pain in the sits-upon to set up every time I want it, especially if there are several objects on my build surface. The new feature is better than the height based modifiers for the top layers with the "All Top Surfaces", as height based modifiers only allows the "Topmost Surface Only" functionality. All top surfaces will use a single perimeter on any part of a layer that isn't covered by another. An example to look at is load in something with a shallow angle top surface (like the Benchie's roof), slice, and then look at each step in the surface. The exposed part only has one perimeter, and the subsequent perimeters are under the next layer up. Also, if someone accidentally hides the login button and wants it back, look in Preferences/Other. It is the third checkbox down from the top.

[@huntliba]

I will open a bottle of good(ish) sparkling wine when PrusaSlicer gets flow/extrusion multiplier for every part (supports, infill, solid infill, perimeters etc) like there is for bridges....

[@3DMusketeers]

does ANYONE have that yet?

[@sandman6679]

@@3DMusketeers Cura has that since.. Forever?

[@3DMusketeers]

oh, really?? I didnt know!

[@sandman6679]

@@3DMusketeers In the Material section there's Flow settings for walls (outer and inner), Top/Bottom, Top surface, infill, Skirt/Brim, Initial Layer bottom/ inner/ outer wall, Support, Support interface, support roof/floor, .. I think that's it.

[@Novers]

I don't use Prusa connect, but I do send my prints to octoprint with the button in prusaslicer and I loved that octoprint popped right up in the physical printer tab. letting me pull up the webui right from the slicer.

[@3DMusketeers]

oh, now that is cool!

[@Sembazuru]

@@3DMusketeers This works for "Physical Printer" printer settings. I've been enjoying it on my setup (MK4 with OctoPrint).

[@Yeltrah]

For Prusa slicer, I would like to be able to use multiple nozzle sizes in the same print using a Prusa xl 5 head. Say for example you want a big print with small text you could use a .6 nozzle and a .25 nozzle. I am sure this is a feature they will get to eventually, but I expect it will not be easy to implement.

[@3DMusketeers]

UGH YES! I think I may want that more than multi plate support hmm...

[@frankdearr2772]

great topic, thanks 👍

[@3DMusketeers]

Glad you enjoyed it!

[@dvlaserworks893]

Thanks for this! Happy 4th of July to all!

[@3DMusketeers]

be safe!!

[@Sembazuru]

I'm going to have to play with that shrinkage factor to correct for annealing shrinkage at some point. (Gonna need a hardened nozzle for my MK4 for carbon filled HTPLA...)

[@awilliams1701]

one thing I noticed is that going into preview mode matches 3d mode perfectly. That wasn't the case before. There was a slight difference. It makes debugging color painting easier.

[@3DMusketeers]

YES!! It is so cleannnnn

[@dsjove]

I want the Macintosh version to have the multi-document support users expect from document based apps. That means the app has a UI even if no projects are open (settings, connect, etc). And none of this "open new instance" crap just to open a second project. This is likely a pipe dream, but I want the app on my iPad as well.

[@3DMusketeers]

as an avid windows and android user, I wish I understood what that was like, sorry! Is it an easy thing to implement?

[@dsjove]

​@@3DMusketeers Thank you for giving me a chance to write a book 🙂 It all boils down to Mac/Windows/Linux cross-platform frameworks developed in the 1990s. If there was a difference between platforms the developers tended to go with easiest and Windows centric. These frameworks have not really evolved that much for decades; just enough to keep up with the min requirements of desktop OSs. Windows applications tend to be single document and a new instance of the app is created for every document. That means there is no application functionality without a document window. The old MDI and now tabbed interfaces are a way to get there. Macs put the application menu bar at the top of the screen. That way the application has a life outside of a document window. That offers a very different workflow for non-document functionality and managing multiple documents. Prusa 2.8 on the Mac does not have the new "Menu" button. It still uses (thankfully) the top menu bar. Blender, on the Mac, has two menu bars (crap). Since Prusa Slicer is based on 1990's single-document framework, going multi-document will require significant work. I imagine there are many global variables that will break :-) And adding Android/iOS to that list is essentially a rewrite of the UI in JetPack/SwiftUI, or (hopefully not) WebTech. In my opinion, cross-platform App/UI code is never worth the cost. Algorithms fine. The mountain of hidden costs in the App/UI space isn't worth it. Once that decision is made you are stuck. Apple had clear migration paths for old Mac apps to evolve into iOS apps; same with the other vendors. Prusa, along with all these other old cross platform apps, cannot take advantage of that. But then again, I could be wrong about what some open-source developer is creating behind the scenes. I'm done 🙂

[@3DMusketeers]

LOL. I wonder how difficult it would ACTUALLY be.. hmmm Here's hoping a dev sees this and replies! ;)

[@awilliams1701]

virtual build plates is what I want the most.

[@3DMusketeers]

yes!

[@awilliams1701]

@@3DMusketeers ok I had to repaint a part. There are 2 things. The camera sucks balls. And new versions of models require you to start over on painting. So those are features that would be nice. A better camera and an attempt to keep paint after a new versions

[@craigrogers8182]

Prefer clockwise movements can also help improve coextrusion filament print results, get rid of the color change bands when the exterior is printed in a different direction from the other layers.

[@3DMusketeers]

oooh, thats fair, good thought!

[@gregorypfeifer9117]

Sneakernet has never failed me lol

[@3DMusketeers]

except that one time where I tripped and fell

[@tillquist]

If you have several computers with Prusa slices, it could be great now that Prusa Connect is integrated into it, so that it could also sync one's profiles across one's PC. Then you could draw a gizmo on your workplace, slice it with the profiles that are otherwise only on a PC.

[@3DMusketeers]

oooh that sounds really nice!

[@Michi_84]

I'm waiting for a built-in calibration function in 3.0 :)

[@3DMusketeers]

That would be a great addition!

[@boogalooman]

woo prusaslicer, glad to see them doing a solid update. My biggest hope is that it doesnt just turn into Orcaslicer, I personally do not like Orca at all. The multi build plate would be an awesome addition.

[@3DMusketeers]

Orca is built upon the bases of PS. What about Orca turns you off?

[@boogalooman]

@@3DMusketeers Yeah I dont like the UI mainly, the window itself is super glitchy, moving the window makes it stutter like crazy and a few other things I dont care for about it, like random crashing. I have tried to update the slicer, but I run into errors while trying to update. I know its super popular and all that, it just doesnt seem very polished to me personally. Im sure it would be better if I was able to update it, only stable versions tried. Im not sure why I keep running into issues with updating it and I know its not my pc since everything else runs great on it and is pretty beefy. I have a A1 mini that doesnt get used very much because I am forced to use orca, I used bambu slicer once and then uninstalled it haha, Orca is for sure better than normal bambu slicer. Im always down to try something new, just didnt seem to work out for me on this one, at least at the time of writing. With that said there are for sure things that I do like about Orca, the multiple build plates and being able to have the printers connected directly through the slicer is pretty cool.

[@boogalooman]

I guess my previous statement of not liking it at all is a little dramatic since there are a few things that I do like.

[@agreen9831]

“One perimeter” This is the way!

[@3DMusketeers]

YES!

[@ulaB]

The one thing I like about the Connect integration is that I don't have to set up physical printers with an API code anymore... PS detects compatible printers in Connect and allows you to select those.

[@3DMusketeers]

oh, now THAT is cool!

[@Alan_Jr]

i neeeeeeed an option to paint Fuzzy Skin, some times the outside Wall don't work well

[@davethebuskeruk]

Superslicer just dropped another update, I'd love to know what you think. I use it all the time, but there's some features I have to swap over to PS at times.

[@troyj3292]

Wait, this isn't a Print and Fix Friday? It's my last day of work for the week.

[@3DMusketeers]

lolol

[@oldsalty3d122]

I just now found out that Revos have been known to come out on their own. All of my machines have Revos and I've never experienced that. Maybe I just have stronger fingers and torque them a little harder? 🤔

[@3DMusketeers]

must be those weathered hands of yours ;)

[@oldsalty3d122]

@@3DMusketeers LOL, yes, these hands have spent many years working on a ship. My calluses have their own calluses.

[@therick0996]

Other slicers: orca orca orca!!

[@3DMusketeers]

can do!

[@astigmaticeye8135]

Yea, I need one loop perimeter badly. superslicer has that and one more feature where infill stops when touched perimeter so I don't get that annoying half finished wall and wasted material.

[@3DMusketeers]

oooh I like that one!

[@superslacker87]

My Revos unscrew all the time! I'm gonna have to try clockwise mode!

[@3DMusketeers]

tighten them down more!

[@Speedgaming802]

Orca slicer

[@3DMusketeers]

Prusa slicer Super slicer Ultimaker cura Kiri moto Idea maker Bambu studio Are we missing any?

[@McRootbeer]

Orca slicer for sure. On Linux mint the darkmode is unreadable 😅​@@3DMusketeers

[@3DMusketeers]

gah I dont use linux :(

[@berlinberlin4246]

​@@3DMusketeers just use it form a USB stick Live system 😊

[@3DMusketeers]

Did you see me try Klipper? Yall like seeing me struggle dont you?? lol

[@sarahb.8186]

I wonder why you don't talked about the physical printer tab. now you can see octoprint inside ps, much like prusa connect

[@3DMusketeers]

Because we do not network printers here

[@Sembazuru]

@@3DMusketeers Have you considered an air-gapped LAN? Or is setting something like that up way over your head (like me)?

[@abo_bandar4375]

is the prefer clockwise should only be used for revo nozzles ? or all types of nozzles could benefit from this ?

[@3DMusketeers]

it can be better for co extrusion I am told too. Not sure what other impacts it may have though.

[@stevesclocks]

CW mode might also be helpful when using dual color Quantum PLA. CW or CCW doesn't really matter as long as the direction stays the same on all layers.

[@3DMusketeers]

@stevesclocks ah, interesting!

[@frits183]

Please I'm working with a prusa slicer and use a Ender 7 and a Palette 3 pro. Can you merged them into prusa, so i can send my files direct to them. 🤗

[@3DMusketeers]

I'm not the person you need to be asking that lol

[@ethancohen6005]

Does anyone know what the new update broke, if anything? I find slicer updates tend to break features, and then they are patched out after

[@3DMusketeers]

Nothing seems broken to me.

[@ethancohen6005]

​@3DMusketeers that's good to hear. Certainly better than bambu's updates

[@MAREKROESEL]

I would love to see "cancel item" based on some sort of coordinates. If you print 40 small pieces, one goes wrong, you need to cancel it. Now it is possible. But, you have to go fishing and cancel it when the nozzle moves there with "cancel current". You can circumvent this by naming each ov the copies with a different name, but show me, who does this. If you could identify the faulty piece using coordinates on the platter of the slicer, your life could be much easier.

[@drstefankrank]

If you are willing to use Prusa Connect, you can click the item on the build plate and cancel it there. Having that on the printer itself would be great.

[@3DMusketeers]

its all in Prusa Connect I believe, at least it has been in there in the past.

[@MAREKROESEL]

​@@drstefankrank I have Prusa Mini and MK4. I gave up with prusa connect in MK4. Both printers are connected via the same switch by a cable. Connection to Mini is swift and works really well. Connection to MK4 is abysmal. I tried to swap the cables and nothing changed. Moreover, once in two weeks MK4 gets offline and I have to delete the printer and set it up again. Three times was more than enough. I gave up. However, if you are printing from a flash drive and SEE a faulty item, your first instinkt is not to run to your computer, turn it on, start prusa connect and run back to make sure, which item was damaged, and then back to your computer. If there is a possibility to cancel it from the printer controller, it should be easier.

[@MAREKROESEL]

I have Prusa Mini and MK4. I gave up with prusa connect for MK4. Both printers are connected via the same switch by a cable. Connection to Mini is swift and works really well. Connection to MK4 is abysmal. I tried to swap the cables and nothing changed. Moreover, once in two weeks MK4 gets offline and I have to delete the printer and set it up again. Three times was more than enough. I gave up. However, if you are printing from a flash drive and SEE a faulty item, your first instinkt is not to run to your computer, turn it on, start prusa connect and run back to make sure, which item was damaged, and then back to your computer. If there is a possibility to cancel it from the printer controller, it should be easier.

[@MAREKROESEL]

@@3DMusketeers Particularly with the touchscreen enabled, it should be no brainer to make it easy and intuitive.

[@dovan4092]

Orca orca orca.... please

[@3DMusketeers]

Oi Oi Oi

[@berlinberlin4246]

The new UI really waste screen space in the vertical direction. E.g. the logo top Left are again more dead space... 😢

[@3DMusketeers]

there is some black space added to the top, we did that to remove my bottom bar. So take that into consideration

[@nomadsgalaxy]

Orca Please, ktnkx buddy

[@3DMusketeers]

but do I have to do a special upside down one for you?

[@nomadsgalaxy]

@@3DMusketeers Positron slicer will be released in 2054

[@3DMusketeers]

sounds reasonable.

[@crazykkid2000]

How did bambu come on the scene and just shit on every slicer out there. Why are these slicers soo out of date compared to theirs ?

[@logicalfundy]

* Bambu put a lot of time and effort into their slicer. especially early into the project when they forked PrusaSlicer. * Prusa - puts some time and effort in, but not as much as Bambu. They're also slow to backport changes made by the other forks. * SuperSlicer dev took a break, and if I remember correctly it's mostly that one dev. * Orca Slicer is actually ahead of Bambu Studio, thanks to forking it and continuing development.

[@3DMusketeers]

They stole Prusa Slicer. Eventually they gave credit, but only after public outcry. So instead of having to start from scratch, they started with something. Mind you, Orca has been paving the way and Bambu has just been pulling from them.

[@crazykkid2000]

@3DMusketeers I just downloaded orca, dude they 100% stole it lol I had no idea

[@thespencerowen]

@@3DMusketeersfork != stole. Saying they stole is a misleading statement at best, a deceitful statement at worst.

[@3DMusketeers]

No, they stole it. They only credited Prusa slicer after getting called out. That's stealing and fixing it when you got caught. Open source or not, don't follow the rules, it's stealing.