I'm using JLTX's Skelestruder on my Prusa MK3S.
This repository contains updated patch files, sourced from JLTX's Skelestruder Supplemental with these additional modifications
- Dismiss Language switch unavailable after 1 second
- Menu change - PET renamed to PETG
- Includes patch for MMU2
- Changed printer name to Skelestruder MK3/MK3S
- Using stock Prusa Z height -
210
Patch files can be found in fw_patch_files
I've also included a copy of my compiled Skelestruder MK3S Firmware in skelestruder_fw
# create an empty directory and `cd` into it
mkdir fw_3122
cd fw_3122
# download and extract the source code for prusa firmware
wget -O Prusa-Firmware-3.12.2.zip https://github.com/prusa3d/Prusa-Firmware/archive/v3.12.2.zip
unzip Prusa-Firmware-3.12.2.zip
# `cd` into unzipped directory and download the Skelestruder fw patch
cd Prusa-Firmware-3.12.2
wget -O skelestruder-3.12.2.patch https://raw.githubusercontent.com/tprelog/prusa_files/master/fw_patch_files/skelestruder-3.12.2.patchClick to show
Edit the corresponding file for your printer
- MK3S -
Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h - MK3 -
Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h
Change the Printer Name
- Name dispays on the LCD screen
- Search for, then edit
#define CUSTOM_MENDEL_NAME
// Printer name
#define CUSTOM_MENDEL_NAME "SKELESTRUDER MK3S"Change the Max Z Height
- JLTX's firmware patch uses
220 - Search for, then edit
#define Z_MAX_POS
// Travel limits after homing
#define Z_MAX_POS 210Click to show
patch -p1 --dry-run < skelestruder-3.12.2.patchExample - test command with output
$ patch -p1 --dry-run < skelestruder-3.12.2.patch
checking file Firmware/Marlin_main.cpp
checking file Firmware/mmu.cpp
checking file Firmware/ultralcd.cpp
checking file Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h
checking file Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.hpatch -p1 < skelestruder-3.12.2.patchYou can compile the firmware using ./PF-build.sh - This script optionally some arguments.
- First argument defines which variant of the Prusa Firmware will be compiled. Valid options for Skelestruder are
- Prusa MK3S -
1_75mm_MK3S-EINSy10a-E3Dv6full.h - Prusa MK3 -
1_75mm_MK3-EINSy10a-E3Dv6full.h
- Prusa MK3S -
- Second argument defines if it is an english only version. Known values
EN_FARMorALL - Third argument is the DEV_STATUS. Valid options are
GOLD,RC,BETA,ALPHA,DEVELorDEBUG
Options for PF-build.sh were found by reviewing the source code
Compile skelestruder firmware for the Prusa MK3S
./PF-build.sh -v 1_75mm_MK3S-EINSy10a-E3Dv6full.h -l EN_FARM -d GOLDExample - build command with output
$ ./PF-build.sh -v 1_75mm_MK3S-EINSy10a-E3Dv6full.h -l EN_FARM -d GOLD
Check OS
Linux 64-bit found
Check for options
Prepare build env
fatal: not a git repository (or any parent up to mount point /)
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
Current branch is:
created PF-build.branch file
Script path : /ssd/3D_Printing/_Printer_Files/fw_scr/fw_3122/Prusa-Firmware-3.12.2
OS :
OS type : linux
Arduino IDE : 1.8.19
Build env : 1.0.8
Board : prusa_einsy_rambo
Package name: PrusaResearch
Board v. : 1.0.6
Specific Lib: PrusaLibrary
Nothing to clean up
Printer : MK3S
Variant : 1_75mm_MK3S-EINSy10a-E3Dv6full
Firmware : 3122
Build # : 5713
Dev Check :
DEV Status : GOLD
Motherboard : BOARD_EINSY_1_0a
Board flash :
Board mem :
Languages : EN_FARM
Hex-file Folder: PF-build-hex/FW3122-Build5713/BOARD_EINSY_1_0a
Hex filename : FW3122-Build5713-1_75mm_MK3S-EINSy10a-E3Dv6full
English only language firmware will be built
Start to build Prusa Firmware ...
Using variant 1_75mm_MK3S-EINSy10a-E3Dv6full
Sketch uses 232618 bytes (91%) of program storage space. Maximum is 253952 bytes.
Global variables use 5595 bytes of dynamic memory.
Copying English only firmware to PF-build-hex folder
Copying English only elf file to PF-build-hex folder
1
Restored Board Flash
PF-build.sh finished with success
Build done, please use Slic3rPE > 1.41.0 to upload the firmware
more information how to flash firmware https://www.prusa3d.com/drivers/
Files:
FW3122-Build5713-1_75mm_MK3S-EINSy10a-E3Dv6full-EN_FARM.hex FW3122-Build5713-1_75mm_MK3S-EINSy10a-E3Dv6full-EN_FARM.elf
You can flash your custom firmware using Slic3rPE or the Octo-Print Firmware Updater.
Optional - In order to make sure the firmware changes are loaded, you may want to send M502 and then M500 to your printer after the update. This recalls defaults from firmware and saves them to EEPROM.
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