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H2D/H2S support#10780

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SoftFever merged 2146 commits into
OrcaSlicer:mainfrom
Noisyfox:dev/h2d
Oct 24, 2025
Merged

H2D/H2S support#10780
SoftFever merged 2146 commits into
OrcaSlicer:mainfrom
Noisyfox:dev/h2d

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@Noisyfox

@Noisyfox Noisyfox commented Sep 18, 2025

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IMPORTANT NOTICE

  • Every time you download a new PR build, make sure to delete <orca config folder>/system/ folder first, otherwise the latest profile update might not take effect (such as crash during startup, or not able to find certain printer models in the list). Also it's a good idea to always backup your config folder before trying any dev builds.
  • You MUST turn on both lan mode AND dev mode on your H2D/S, there is no firmware exists for these printers that allows 3rd party slicer over cloud unfortunately.
  • You MUST turn off "Use legacy network plugin" in Orca's preference.

HOW TO download the test builds:

  1. Click the "Checks" tab on top of this page
image
  1. Click the "Build all" on the left side
image
  1. You'll find the build artifacts on the bottom of right side
image

Huge PR that cherrypicked everything Bambu did for H2D/H2S support. Thanks BambuLab!

image image image image a30a310bb9857b2c4fa5b9cc134a16e7

@Noisyfox Noisyfox added enhancement New feature or request Community testers wanted Looking for community testers and feedback labels Sep 18, 2025
@Noisyfox Noisyfox linked an issue Sep 18, 2025 that may be closed by this pull request
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@discip

discip commented Sep 18, 2025

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@Noisyfox

THANK YOU SO MUCH!

@yw4z

yw4z commented Sep 18, 2025

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great work! now there is so much things to fix for UI :D let me know if you need help on UI side or i can fix them in a separate PR

@ianalexis ianalexis left a comment

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This way, you avoid pointing to non-existent documents (parameter/prime-tower) and would point to the generic prime tower, although the specific entries for each option would be missing, but that is something we can add later in another wikiupdate.

This "fix" the document validation issue.

Comment thread src/slic3r/GUI/Tab.cpp Outdated
Comment thread src/slic3r/GUI/Tab.cpp Outdated
@SoftFever

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👍
Thank you for the amazing work! 🚀

@liberodark

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Hi,

Thank for your great work if you need testers im available.

Best Regards

@pohoda6

pohoda6 commented Sep 19, 2025

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Ahoj,
Děkuji za skvělou práci, pokud potřebujete testery, jsem k dispozici. JB -H2D

@NanashiTheNameless

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@Noisyfox Can you also work on H2S support? I assume it should be fairly simple as it is the single extruder version of the H2D.

@NanashiTheNameless

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Tested, does not work on ubuntu jammy (22.04 LTS)
image

@Noisyfox

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Tested, does not work on ubuntu jammy (22.04 LTS) image

Could you try the flatpak version instead.

@Noisyfox Noisyfox force-pushed the dev/h2d branch 2 times, most recently from ad8ca7f to 10b4d3b Compare September 21, 2025 14:00
@Majestik3D

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Thank you so much for your time and work on this project. I would love to test. Thanks

@StefanX13

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Thanks you so much! Would be great if you could add H2S as well. Would be happy to Betatest. Thanks!

@NanashiTheNameless

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Thanks you so much! Would be great if you could add H2S as well. Would be happy to Betatest. Thanks!

seconded

@yw4z

yw4z commented Sep 22, 2025

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@Noisyfox is that possible to use webp in UI (ex. in combo box)? its already possible in printer selection dialog since its browser based

I'm planning to upgrading all covers to 320x320px but it will add too much space
here is a comparison for file sizes
Screenshot-20250922121844

there is no visible difference between them. here is files if you want to compare
CoverComparison.zip

@ruslanrachinski-source

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Уважаемый автор.
Я готов протестировать софт у себя на H2D, устал от студии. Хочу Орку.
Если это возможно скиньте ссылку на тестовую Орку для H2D. Буду признателен.

Dear author.
I am ready to test software in my H2D, tired of the studio. I want an orc.
If this is possible, throw off the link to the test orc for H2D. I would be grateful.

@Noisyfox

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Уважаемый автор. Я готов протестировать софт у себя на H2D, устал от студии. Хочу Орку. Если это возможно скиньте ссылку на тестовую Орку для H2D. Буду признателен.

Dear author. I am ready to test software in my H2D, tired of the studio. I want an orc. If this is possible, throw off the link to the test orc for H2D. I would be grateful.

There is a "Checks" tab on top of this page, where you can find the build artifacts.

@mark8055

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Incredible effort-- can anyone confirm is it possible to print directly from a USB stick (export to USB, plug USB into the H2d and read file from USB) using this? If so I will buy an H2d today/tommorow and will happily help beta test this

@discip

discip commented Sep 26, 2025

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@mark8055
I'm printing this way since I got the H2D. 😊

@mark8055

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@mark8055 I'm printing this way since I got the H2D. 😊

Thank you very much, you just likely sold an H2D for BBL :)

But what I mean is can we do this with this new orca h2d support as well? I assume yes... but checking just in case so I can contribute towards beta testing and feedback

@discip

discip commented Sep 26, 2025

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Sorry, I’ve only sliced for the H2D using Bambu Studio so far.
Since this PR is still a draft, I haven’t had a chance to test it yet.

I won’t have access to the printer until Monday, but if you’re okay with waiting, I’ll test it then and share the results.

@escidmore

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With the version downloaded from Checks, Windows, both portable and non-portable, I get a crash with "Unhandled unknown exception; terminating the application" when I attempt to add the H2D. I captured video in case it helps.

https://drive.google.com/file/d/12NiuYBs3j8ejk5VnXJNRsEoRmfI5L130/view?usp=sharing

@liberodark

liberodark commented Sep 26, 2025

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Hi,

Have crash when i switch to Carbon X1 to H2D.
Edition : Flatpak Linux

[warning]	2025-09-26 23:09:01.830939[Thread 0x00007fc790c57400]:Failed to load to hints.cereal. File does not exists. /home/pc/.var/app/io.github.softfever.OrcaSlicer/config/OrcaSlicer/user/hints.cereal
[error]	2025-09-26 23:09:03.112253[Thread 0x00007fc5d67fc6c0]:Unable to open connection to spacenavd
[error]	2025-09-26 23:09:03.113152[Thread 0x00007fc5d57fa6c0]:DBus Request name Error: org.freedesktop.DBus.Error.ServiceUnknown
[error]	2025-09-26 23:09:03.113171[Thread 0x00007fc5d57fa6c0]:Dbus Messages listening terminating.
[warning]	2025-09-26 23:09:03.812050[Thread 0x00007fc790c57400]:Found invalid extruder_printable_area of index 0
[error]	2025-09-26 23:09:03.812138[Thread 0x00007fc790c57400]:calc_exclude_triangles:Unable to create exclude triangles
[warning]	2025-09-26 23:09:03.960645[Thread 0x00007fc790c57400]:11:09:03 PM: Warning: Error running JavaScript: Unsupported result type
[warning]	2025-09-26 23:09:03.964148[Thread 0x00007fc790c57400]:11:09:03 PM: Warning: Error running JavaScript: Unsupported result type
[warning]	2025-09-26 23:09:03.966236[Thread 0x00007fc790c57400]:11:09:03 PM: Warning: Error running JavaScript: Unsupported result type
[warning]	2025-09-26 23:09:03.989477[Thread 0x00007fc790c57400]:11:09:03 PM: Warning: Error running JavaScript: Unsupported result type
[error]	2025-09-26 23:09:04.800438[Thread 0x00007fc790c57400]:calc_exclude_triangles:Unable to create exclude triangles
[warning]	2025-09-26 23:09:04.934149[Thread 0x00007fc790c57400]:11:09:04 PM: Warning: Error running JavaScript: Unsupported result type
[error]	2025-09-26 23:09:39.435643[Thread 0x00007fc790c57400]:calc_exclude_triangles:Unable to create exclude triangles
[warning]	2025-09-26 23:09:39.472182[Thread 0x00007fc790c57400]:get_version, get_version not supported,return 00.00.00.00!
[error]	2025-09-26 23:09:39.931667[Thread 0x00007fc5747ff6c0]:[install_plugin]: 1414, got 3 files
[warning]	2025-09-26 23:09:40.042394[Thread 0x00007fc790c57400]:get_network_function, can not find function bambu_network_del_subscribe
[warning]	2025-09-26 23:09:40.042428[Thread 0x00007fc790c57400]:get_network_function, can not find function bambu_network_update_cert
[warning]	2025-09-26 23:09:40.042430[Thread 0x00007fc790c57400]:get_network_function, can not find function bambu_network_install_device_cert
[error]	2025-09-26 23:10:12.197013[Thread 0x00007fc790c57400]:send_message_to_printer error: network_agent=0x556fce611720, ret=-4, dev_id=0948BB542200637, json_str={"info":{"command":"get_version","sequence_id":"20000"}}, qos=1
[error]	2025-09-26 23:10:12.197044[Thread 0x00007fc790c57400]:publish_json: {"info":{"command":"get_version","sequence_id":"20000"}} code: -4
[error]	2025-09-26 23:10:24.762223[Thread 0x00007fc790c57400]:update_values_to_printer_extruders, Line 8448: could not found extruder_type Direct Drive, nozzle_volume_type High Flow, for filament
[error]	2025-09-26 23:10:24.764466[Thread 0x00007fc790c57400]:update_values_to_printer_extruders, Line 8448: could not found extruder_type Direct Drive, nozzle_volume_type High Flow, for filament
[error]	2025-09-26 23:10:29.600683[Thread 0x00007fc790c57400]:calc_exclude_triangles:Unable to create exclude triangles
[warning]	2025-09-26 23:10:29.606016[Thread 0x00007fc790c57400]:11:10:29 PM: Error: can't open file '/app/share/OrcaSlicer/images/bed_cool_supertack_o.png' (error 2: No such file or directory)
[warning]	2025-09-26 23:10:29.606046[Thread 0x00007fc790c57400]:11:10:29 PM: Error: Failed to load image from file "/app/share/OrcaSlicer/images/bed_cool_supertack_o.png".
[error]	2025-09-26 23:10:29.606242[Thread 0x00007fc790c57400]:Uncaught exception: Could not load bitmap: bed_cool_supertack_o

Other error (I cannot slice) :

image image

Best Regards

@Maximus-CZ

Maximus-CZ commented Sep 26, 2025

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on macOS, when I first launched, it asked for permission to look in download folder 8 times, then started. After exiting and trying to restart, it asks 8 times again and no matter what I do it always crashes before it even opens a window.

When I click allow or deny, instead of granting it to Orca Slicer it grants it to Orca Slicer Profile Validator.

Btw 2 questions: Does one need to enable developer mode and thus LAN only on printer to use this?
Can this send the print to printer like Bambu studio, or is it only for exporting gcode to sdcard?

@Noisyfox

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Hi,

Have crash when i switch to Carbon X1 to H2D. Edition : Flatpak Linux

[warning]	2025-09-26 23:09:01.830939[Thread 0x00007fc790c57400]:Failed to load to hints.cereal. File does not exists. /home/pc/.var/app/io.github.softfever.OrcaSlicer/config/OrcaSlicer/user/hints.cereal
[error]	2025-09-26 23:09:03.112253[Thread 0x00007fc5d67fc6c0]:Unable to open connection to spacenavd
[error]	2025-09-26 23:09:03.113152[Thread 0x00007fc5d57fa6c0]:DBus Request name Error: org.freedesktop.DBus.Error.ServiceUnknown
[error]	2025-09-26 23:09:03.113171[Thread 0x00007fc5d57fa6c0]:Dbus Messages listening terminating.
[warning]	2025-09-26 23:09:03.812050[Thread 0x00007fc790c57400]:Found invalid extruder_printable_area of index 0
[error]	2025-09-26 23:09:03.812138[Thread 0x00007fc790c57400]:calc_exclude_triangles:Unable to create exclude triangles
[warning]	2025-09-26 23:09:03.960645[Thread 0x00007fc790c57400]:11:09:03 PM: Warning: Error running JavaScript: Unsupported result type
[warning]	2025-09-26 23:09:03.964148[Thread 0x00007fc790c57400]:11:09:03 PM: Warning: Error running JavaScript: Unsupported result type
[warning]	2025-09-26 23:09:03.966236[Thread 0x00007fc790c57400]:11:09:03 PM: Warning: Error running JavaScript: Unsupported result type
[warning]	2025-09-26 23:09:03.989477[Thread 0x00007fc790c57400]:11:09:03 PM: Warning: Error running JavaScript: Unsupported result type
[error]	2025-09-26 23:09:04.800438[Thread 0x00007fc790c57400]:calc_exclude_triangles:Unable to create exclude triangles
[warning]	2025-09-26 23:09:04.934149[Thread 0x00007fc790c57400]:11:09:04 PM: Warning: Error running JavaScript: Unsupported result type
[error]	2025-09-26 23:09:39.435643[Thread 0x00007fc790c57400]:calc_exclude_triangles:Unable to create exclude triangles
[warning]	2025-09-26 23:09:39.472182[Thread 0x00007fc790c57400]:get_version, get_version not supported,return 00.00.00.00!
[error]	2025-09-26 23:09:39.931667[Thread 0x00007fc5747ff6c0]:[install_plugin]: 1414, got 3 files
[warning]	2025-09-26 23:09:40.042394[Thread 0x00007fc790c57400]:get_network_function, can not find function bambu_network_del_subscribe
[warning]	2025-09-26 23:09:40.042428[Thread 0x00007fc790c57400]:get_network_function, can not find function bambu_network_update_cert
[warning]	2025-09-26 23:09:40.042430[Thread 0x00007fc790c57400]:get_network_function, can not find function bambu_network_install_device_cert
[error]	2025-09-26 23:10:12.197013[Thread 0x00007fc790c57400]:send_message_to_printer error: network_agent=0x556fce611720, ret=-4, dev_id=0948BB542200637, json_str={"info":{"command":"get_version","sequence_id":"20000"}}, qos=1
[error]	2025-09-26 23:10:12.197044[Thread 0x00007fc790c57400]:publish_json: {"info":{"command":"get_version","sequence_id":"20000"}} code: -4
[error]	2025-09-26 23:10:24.762223[Thread 0x00007fc790c57400]:update_values_to_printer_extruders, Line 8448: could not found extruder_type Direct Drive, nozzle_volume_type High Flow, for filament
[error]	2025-09-26 23:10:24.764466[Thread 0x00007fc790c57400]:update_values_to_printer_extruders, Line 8448: could not found extruder_type Direct Drive, nozzle_volume_type High Flow, for filament
[error]	2025-09-26 23:10:29.600683[Thread 0x00007fc790c57400]:calc_exclude_triangles:Unable to create exclude triangles
[warning]	2025-09-26 23:10:29.606016[Thread 0x00007fc790c57400]:11:10:29 PM: Error: can't open file '/app/share/OrcaSlicer/images/bed_cool_supertack_o.png' (error 2: No such file or directory)
[warning]	2025-09-26 23:10:29.606046[Thread 0x00007fc790c57400]:11:10:29 PM: Error: Failed to load image from file "/app/share/OrcaSlicer/images/bed_cool_supertack_o.png".
[error]	2025-09-26 23:10:29.606242[Thread 0x00007fc790c57400]:Uncaught exception: Could not load bitmap: bed_cool_supertack_o

Other error (I cannot slice) :

image image
Best Regards

The crash should be fixed now.

As for the gcode error, could you share the 3mf file? Thanks.

@Noisyfox

Noisyfox commented Sep 27, 2025

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Btw 2 questions: Does one need to enable developer mode and thus LAN only on printer to use this?

Yes if you need to start the print directly from Orca you'll have to use dev mode on your printer. Otherwise you could export the gcode 3mf then print via a USB drive. (Or one could try sending the print to the printer then start the print on printer screen/bambu studio? I actually haven't try this yet.

@95zrjdtyrj

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P2S и H2C также были бы хорошим дополнением

@P-C-R

P-C-R commented Nov 25, 2025

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debug_Tue_Nov_25_02_14_50_36104.log.zip
latest nighly build
grafik
grafik
clamp.zip

added .3mf and log file @Noisyfox

@Noisyfox

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Make sure you've enabled LAN mode & dev mode on your printer.

@cowc1um

cowc1um commented Nov 28, 2025

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Ive just started using the newest build yesterday. Some things ive noticed;

  1. Even on lan mode, i can send prints to both my h2ds via print plate button, but it doesnt initiate the print on the printer. It just brings up the devices page of the printer, then i have to manually initiate the print which gets stored on the usb drive.

  2. There seems to be significantly more stringing than usual, especially so coming from the left nozzle. This is a consistent observation on both my h2ds using different filaments. Seems to be a lot more obvious on multi object prints. Single objects dont seem to have this issue which is strange. I havent changed any retraction settings and this stringing isnt present using bambu slicer with the same settings for the filament.

  3. Top layer finish isnt as good as bambu slicer when it works (will touch on this later), however it is significantly more consistent. Bambu slicer shows less pillowing at the edges and slightly better small area finish (sometimes when it doesnt underextrude). However this build is much more consistent in that the issue of localized underextrusion, especially on small areas, is gone. This issue is noted by many users on reddit including myself (example: https://www.reddit.com/r/BambuLab/comments/1oszeif/h2d_real_underxtrusionpinhole_fix/). No settings have been changed between the comparisons, and im comparing identical prints with the same filament on the same printer. This is noted on both my h2ds. I have tuned PA and Flow prior to comparison using the archimedes chord method and PA pattern method just for additional info. Photo attached below. Color is sligtly different due to the use of gradient filament. Its the same roll. left is BBL studio, right is orca. Identical settings

photo_2025-11-28_09-27-47

@Noisyfox

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  1. Even on lan mode, i can send prints to both my h2ds via print plate button, but it doesnt initiate the print on the printer. It just brings up the devices page of the printer, then i have to manually initiate the print which gets stored on the usb drive.

Make sure you also turned on the dev mode on your printer.

@cowc1um

cowc1um commented Nov 28, 2025

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  1. Even on lan mode, i can send prints to both my h2ds via print plate button, but it doesnt initiate the print on the printer. It just brings up the devices page of the printer, then i have to manually initiate the print which gets stored on the usb drive.

Make sure you also turned on the dev mode on your printer.

Ah yes I might have forgotten that step. I do recall reading that somewhere before. Ill try that and report back

@cowc1um

cowc1um commented Nov 28, 2025

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  1. Even on lan mode, i can send prints to both my h2ds via print plate button, but it doesnt initiate the print on the printer. It just brings up the devices page of the printer, then i have to manually initiate the print which gets stored on the usb drive.

Make sure you also turned on the dev mode on your printer.

Ah yes I might have forgotten that step. I do recall reading that somewhere before. Ill try that and report back

Unfortunately it doesnt work. It sends, but then it will fail to start the print stating that the file name or path is invalid.
Also i think the left nozzle doesnt seem to be working correctly. the top layers seem to be under extruding and stringing significantly.

@Noisyfox

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  1. Even on lan mode, i can send prints to both my h2ds via print plate button, but it doesnt initiate the print on the printer. It just brings up the devices page of the printer, then i have to manually initiate the print which gets stored on the usb drive.

Make sure you also turned on the dev mode on your printer.

Ah yes I might have forgotten that step. I do recall reading that somewhere before. Ill try that and report back

Unfortunately it doesnt work. It sends, but then it will fail to start the print stating that the file name or path is invalid. Also i think the left nozzle doesnt seem to be working correctly. the top layers seem to be under extruding and stringing significantly.

Also make sure you unchecked the "Use legacy network plugin" in Orca preference.

@cowc1um

cowc1um commented Nov 28, 2025

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Id like to note some observations having used this build for a couple prints. Ive noticed that the nozzle temp behaviour of the nozzle not in use is different from bambu, and i think is resulting in print quality issues. Ive noticed when starting a print, the nozzle with the color in use will be heated to temp, loaded and starts printing. But the other nozzle is kept at 140c while idle when in bambu it would be cooled to 0. Similarly when its time to use the other nozzle, it heats to target temp, loads, purges, primes and prints. But the now the first nozzle is kept still at printing temp when it normally is cooled to 0 in bambu studio. Because of this, both nozzles are kept at target temp the remainder of the print and its causing print quality issues. Also, preheating of the second nozzle seems to occur only once the layer is complete rather than occuring while the current layer is being completed, but this isnt as big a deal as the first issue.

Apologies if any of these have been noted before and please dont take this as critique of the work done. Im just trying to get the best print quality out of orca

@malventano

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Ive noticed that the nozzle temp behaviour of the nozzle not in use is different from bambu, and i think is resulting in print quality issues.

I can also confirm a difference in temperature handling between Bambu Studio and Orca. When switching away from TPU, the prime tower pass would also perform a cooldown towards 140. With Orca both hotends were always staying at/near printing temp. This was a few builds ago and at the time I assumed it had something to do with the recent firmware, but given another pointing this out, it may be a legit issue.

@malventano

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Separately (most recent nightly):
image

@vovodroid

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Filament view is default now even for single nozzle:

image
    // set to color print by default if use multi extruders
    if (m_nozzle_nums > 1) {
        m_view_type_sel = std::distance(view_type_items.begin(),std::find(view_type_items.begin(), view_type_items.end(), EViewType::Summary));
        set_view_type(EViewType::Summary);
    } else {
        m_view_type_sel = std::distance(view_type_items.begin(),std::find(view_type_items.begin(), view_type_items.end(), EViewType::ColorPrint));
        set_view_type(EViewType::ColorPrint);
    }

Is it by intention?

@malventano

malventano commented Dec 15, 2025

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@Noisyfox H2D profiles are not honoring any increase to max flowrate for any filament profiles (Bambu / Generic / etc).
I've also noticed the 'undo' icon does not appear next to volumetric flow when the value is changed.

The value that gets edited is the first of two saved in the json. I'm assuming the second is for HF, but that's not selectable, so we get stuck with the HF value that can not be edited perhaps?

edit
Also noted there are newer updates to the startup and filament change gcode for H2D.

@nickr1957

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@malventano Could you verify that you have disabled legacy network plugin option in Orca preference? image This option should not be checked.

That dialog for preferences doesn't show up on my Orca Slicer. It's just the standard dialog, all preferences on one dialog, no tabs, no "Online" section, no option to disable old network plugin...

@jagr200

jagr200 commented Jan 10, 2026

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Any chance of H2C support? BambuStudio is AWFUL. Especially the auto arrange. Ugh

@nickr1957

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Any chance of H2C support? BambuStudio is AWFUL. Especially the auto arrange. Ugh

H2S doesn't show in Orca yet so you're a bit hopeful.

@jagr200

jagr200 commented Jan 22, 2026

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Any chance of H2C support? BambuStudio is AWFUL. Especially the auto arrange. Ugh

H2S doesn't show in Orca yet so you're a bit hopeful.

I don't see why it is hopeful. You would think by now there would be support.

@nickr1957

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You might think thete would be H2S or H2D support by now but there isn't yet - so I consider support for the latest to be hopeful when the first H2 isn't there. It doesn't matter what you think might be there by now...

@jagr200

jagr200 commented Jan 22, 2026

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You might think thete would be H2S or H2D support by now but there isn't yet - so I consider support for the latest to be hopeful when the first H2 isn't there. It doesn't matter what you think might be there by now...

Nobody asked you what you thought was hopeful. So there is that. ¯_(ツ)_/¯

@rico-ocepek

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Hey thanks for building this!

May I ask what the release status is though?
It is merged into main, so it is awaiting being included in a future release I presume?

The build artifacts on this PR are expired and I can't currently find an installable version with H2D support
Could you please help me out here?

@rico-ocepek

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That was quick. Thanks a ton @discip!

@Felix14-v2

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The build artifacts on this PR are expired

Since the PR is merged, you can just use the latest Nightly version (feel free to find and report bugs).

@rbc1225

rbc1225 commented Mar 14, 2026

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Has there been any movement on the H2C yet? Also, what does PR stand for?

Thanks

@Felix14-v2

Felix14-v2 commented Mar 20, 2026

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@Noisyfox hello, I found a bug with extruder_printable_area (the new config option added by this PR). It assumes that the Bambu filament grouping mode is set to "auto", but the grouping feature is not available for non-bambu printers, so the model placement is never verified (until I (ab)use another bug to change the grouping to manually set the extruder):

2026.March.21.03.51.2.mp4

That's an example with an IDEX printer by Flashforge, where left and right toolheads have similar printable area restrictions. It is expected that extruder must always be manually specified by user by assigning a color corresponding to the left or right extruder (Right click → Change filament or 1/2 num hotkeys).

Could you look into it? Here's the profile:
3MF: Filament grouping + dual nozzle.zip

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Add slicing support for Bambu Lab H2D/H2S