3.3beta2 lost dimensional accuracy
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Hi guys,
so i've been in Jordan for 2 weeks and now i'm on quarantine for other 2 weeks so a lot of time there. When i left my printer was pretty accurate on print dimension (+-0.05mm on XY) . 2 Days ago i updatet from 3.2 to 3.3b2 and started printing. When assembling this multi-part print i noticed that all parts were loose and, after checking them, it seems that they are about 0.5 / 1.5mm smaller than the STL. Is something changed in this beta that could justify this?My printer is a Voron2.4 CoreXY style printer. I attach my config.g if that helps.
Thanks!
G21 G90 ; send absolute coordinates... M83 ; ...but relative extruder moves M550 P"Voron 2.4" ; set printer name M669 K1 ; select CoreXY mode ; Network M552 S1 ; enable network M586 P0 S1 ; enable HTTP M586 P1 S0 ; disable FTP M586 P2 S0 ; disable Telnet ; PanelDue M575 P1 S1 B57600 ; --- drive map --- ; _______ ; | 6 | 7 | ; | ----- | ; | 5 | 8 | ; ------- ; front ; Drives M569 P0 S1 ; A M569 P1 S1 ; B M569 P3 S1 ; Extruder M569 P5 S1 ; Z1 M569 P6 S0 ; Z2 M569 P7 S1 ; Z3 M569 P8 S0 ; Z4 M584 X0 Y1 Z5:6:7:8 E3 ; set drive mapping M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation M92 X80.00 Y80.00 Z400.00 E420.00 ; set steps per mm M906 X800 Y800 Z1000 E800 I75 ; set motor currents (mA) and motor idle factor in per cent M84 S30 ; Set idle timeout M566 X600 Y600 Z60 E8000 ; Set maximum instantaneous speed changes (mm/min) M203 X18000 Y18000 Z3000 E15000 ; Set maximum speeds (mm/min) M201 X2000 Y2000 Z250 E1800 ; Set maximum accelerations (mm/s^2) M204 P1500 T2000 ; Set printing acceleration and travel accelerations ; Axis Limits M208 X0:350 ; set axis minima/maxima M208 Y0:350 M208 Z0:330 ; Endstops M574 X2 S1 P"xstop" ; configure active-high endstop for high end on X via pin xstop M574 Y2 S1 P"ystop" ; configure active-high endstop for high end on Y via pin ystop M574 Z1 S1 P"zstop" ; configure active-high endstop for low end on Z via pin zstop ; Heaters M308 S0 P"bedtemp" Y"thermistor" A"Piatto" T100000 B4138 ; configure sensor 0 as thermistor on pin bedtemp M950 H0 C"bedheat" T0 ; create bed heater output on bedheat and map it to sensor 0 M307 H0 R0.636 C552.9 D5.58 S1.00 V23.9 B0 M140 H0 ; map heated bed to heater 0 M143 H0 S120 ; set temperature limit for heater 0 to 120C M308 S1 P"spi.cs1" Y"rtd-max31865" R430 ;M308 S1 P"e0temp" Y"thermistor" A"Estrusore" T100000 B4725 C7.06e-8 ;B4138 M950 H1 C"e0heat" T1 ; create nozzle heater output on e0heat and map it to sensor 1 M307 H1 B0 ; disable bang-bang mode for heater and set PWM limit M143 H1 S280 ; set temperature limit for heater 1 to 280C ; Fans M950 F0 C"fan0" Q32000 ; create fan 1 on pin fan1 and set its frequency M106 P0 S0 H-1 C"Layer" ; set fan 1 value. Thermostatic control is turned on M950 F1 C"fan1" Q500 ; create fan 0 on pin fan0 and set its frequency M106 P1 S255 H1 T45 C"Hotend" ; set fan 0 value. Thermostatic control is turned off M950 F2 C"fan2" Q10 ; create fan 0 on pin fan0 and set its frequency M106 P2 S0 H-1 C"Elettronica" ; set fan 0 value. Thermostatic control is turned off M950 F3 C"e1heat" ; create fan 0 on pin fan0 and set its frequency M106 P3 S0 H-1 C"Luci" B0 L0 ; set fan 0 value. Thermostatic control is turned off ; Tools M563 P0 D0 H1 F0 ; define tool 0 G10 P0 X0 Y0 Z0 ; set tool 0 axis offsets G10 P0 R0 S0 ; set initial tool 0 active and standby temperatures to 0C ; NPN Z-Probe M400 M558 P8 C"zprobe.in" F1200 H5 A5 S0.01 B0 R0.2 T25000 G31 T8 P500 X0 Y25 Z0.760 ; inductive probe offset, not critical, only used for coarse homing M557 X15:215 Y15:195 S20 ; define mesh grid ; Z tower positions M671 X-65:-65:365:365 Y-20:380:380:-20 S20 ; Define Z belts locations (Front_Left, Back_Left, Back_Right, Front_Right) M557 X25:275 Y25:275 S25 ; Miscellaneous M501 ; load saved parameters from non-volatile memory M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss ; Pressure advance M572 D0 S0.04 ; DAA M593 F27 ;Firmware retraction M207 S1.5 F3600 Z0.2 ;Full Lights on at startup M106 P3 S1.0 -
Reverting to 3.2.2 and reprinting would be enlightening.
https://github.com/Duet3D/RepRapFirmware/wiki/Changelog-RRF-3.x-Beta-&-RC
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So, i was so dumb that i loaded a wrong filament profile on prusa slicer. It was the same PLA but the wrong color. That particular color is 1.8mm in diameter instead of 1.75. Switched to the correct profile and everything went ok.
