Drunken Octopus May 30th Release: Improved prints!
A shout out to everyone who helped test RC16 and identify what configurations choices were needed for better prints. The June release is a follow up release and should address the problems!
After testing with r16, it seems the configuration which yields the best prints for the current version of Marlin is as follows:
LIN_ADVANCE enabled
CLASSIC_JERK enabled
S_CURVE_ACCELERATION disabled
STEALTHCHOP_E disabled (for builds with Trinamic drivers, when LIN_ADVANCE is enabled)
Disabling StealthChop on the extruder and should solve a problem where the extruder stops extruding during a print; there is also some indication this improves print quality too.
For those of you wanting to research the underlying problems that led to this release, here are the threads:
https://github.com/MarlinFirmware/Marlin/issues/17944
https://github.com/MarlinFirmware/Marlin/issues/17342
https://github.com/MarlinFirmware/Marlin/issues/17920
The binaries are here:
https://github.com/marciot/drunken-octopus-marlin/releases/tag/v2.0.0.1rc17
The password for the archive remains "OctopusAtHome".
Annoucement: Patreon Now Collecting Taxes:
In addition, I want to let you know that Patreon will begin collecting sales taxes on all pledges. No action is needed on your part, but I wanted to make sure you were made aware.
Stuttering during curves? Testers needed!
Some versions of Marlin have been showing stuttering on curves, as documented in the following thread:
This effect had been showing up when using JUNCTION_DEVIATION rather then CLASSIC_JERK. This release makes available both versions to allow for comparison between the two modes and to determine whether the problem has been resolved.
If you have a chance to test this, please provide me with your thoughts!
The binaries are here:
https://github.com/marciot/drunken-octopus-marlin/releases/tag/v2.0.0.1rc16
The password is "OctopusAtHome"
A few notes about upgrading a TAZ to an Archim board
It seems like a lot of you have been upgrading your TAZ to an Archim board and are running into issues. To try to collect the information in one place, I updated the wiki with a list of potential problems you may encounter:
https://github.com/marciot/drunken-octopus-marlin/wiki/Archim
If you have been successful upgrading a TAZ to an Archim and have tips to share, please let me know or add them to the wiki. Thank you!
EXPERIMENAL RELEASE: Improved Dimensional Accuracy for all Legacy Printers
This release will increase dimensional accuracy of prints for printers prior to the TAZ Workhorse and prior to the Mini 2.
This release changes the default X and Y steps to 100 steps per mm for all printers and adjusts the probe points and travel limits to compensate for the reduced travel distance. This should improve dimensional accuracy since the default values of 100.5 steps per mm used in LulzBot default firmware is incorrect for the printer mechanics.
Please let me know whether these new values are an improvement for you!
This is the release page. The password is OctopusAtHome.
https://github.com/marciot/drunken-octopus-marlin/releases/tag/v2.0.0.1rc15
Drunken Octopus May 5th Release:
Brand new release to celebrate the Cinco de Mayo. Here is what is new:
Pulled updates and fixes from upstream
Enabled Z_MIN_PROBE_REPEATABILITY_TEST on all auto-leveling builds
Disabled S_CURVE_ACCELERATION due to incompatibility with LIN_ADVANCE
The password is still "OctopusAtHome", because that's where I've been :)
Here is the link for the binaries:
https://github.com/marciot/drunken-octopus-marlin/releases/tag/v2.0.0.1-rc14