Rat Rig Community [Unofficial]

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Rat Rig Community [Unofficial]

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ratos-support

fix-my-print

fix-my-printer

fix-my-resonance

fix-my-mesh

german-support

Bad bed leveling

Hey y'all. I have a reasonably flat bed however my bed leveling doesn't seem to be working as I'd expect. All my probe settings are stock except my X/Y offset which is on the back right of the print head. Probe repeatability reads 5 micron and the printer definitely compensates some amount but clearly not enough. Is there something I'm missing here?
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stuck lower belt?

While attempting to use Ellis' max speed tuning macro here: https://ellis3dp.com/Print-Tuning-Guide/articles/determining_max_speeds_accels.html at an acceleration of 27500 the lower belt jammed and I had to do an emergency stop. I was only able to resolve the jam by powering off the printer and moving the belt, gantry and print head by hand until it came loose again. I'm really uncertain what caused this situation and am hoping someone can explain what I did wrong before I resume tuning. The belt was extremely tight but not completely unmovable. I looked at all the idler pulleys that I could see around the printer and didn't notice the belt being off any of them. The only thing I can figure is that maybe somehow something happened to the servo that resulted in it not turning freely for a while. Any thoughts on what I did and how to make sure I don't do it again? (other than running at ender 3 speeds 🙂 )...

2Prints dont Fit together

So im Printing two base plates they are litreally the same size in the cad software and slicer. Every hole aligns with each other, but Printed they dont fit only the top four holes align with each other. The lower plate does not fit with the topplate. If i flip the lower plate 180degrees then the holes fit. I dont know if im giong mad because ive been awake for 24hours but what is going on ?
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ambitious-aqua
ambitious-aqua6/23/2023

gap in Z seam

I have a nasty gap in Z seam. Things i tried: 3 different slicers. Set Zseam gap to 0...
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Overextrusion at my seams. Motion seems to pause.

I'm working on printing nylon. So I have my speeds dialed down to 60mm/s for the most part. However, it seems like the motion pauses at layer change or retraction and ends up causing a bit of overextrusion. Where is the parameter in Prusaslicer that drives this speed? I've been digging and can't seem to puzzle out which knob needs to turn. 😕
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The ripples! Wavy/rippled surface.

Please save me, I am struggling to figure out what this is. The ripples ! I get them when printing slow or fast. I tried loosening belts and tightening. ...
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Volcano Hotend Issue

Hi, I got an issue with my Volcano. It cannot run at low speed. Recently I print PETG. 230C, 90% fan. Max flow at 13mm3/s on 0.4 Nozzle (normal, not CHT) ...
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underextrusion or other issue

Here's a picture of a pressure advance tuning tower (chosen because it's easier to see the issue). It looks like underextrusion to me how there are little divots in the layers. I haven't tried everything yet, but as I go through more and more calibration procedures it bugs me more and sometimes invalidates the cal. Any suggestions as to what to focus on?...
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sensitive-blue
sensitive-blue6/19/2023

Heavy underextrusion on any line break

Hi everyone. I've got V-core 3.1 200mm with ldo orbiter 2.0 and rapido HF hotend. The printer worked fine for a month, but now it has sever underextrusion whenever extruder breaks a line, most prominently on Z seam. I initially thought it's due to pressure advance calibration (I've folloswed Elli's pattern guide for that), but since recalibration didn't help at all I've tried tower method. This is what I get every time I try a print. My full config can be found here: https://github.com/smumriak/ratrig_bunny_klipper, all my overrides are located in Bunny folder. Printing with Overture PETG, 0.4mm nozzle, 0.2mm layer height, flow rate 0.96, hotend temperature 240 for first layer, 250 for subsequent, coolying 50%. I've tried lowering speed, lowering acceleration, decreasing corner acceleration, disabling retraction in slicer and in RatOS files. No change at all....
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failed prints only on one side

i have changed the extruder since the last one failed and now all my prints fails on the left side only.
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Asking for PrusaSlicer Premade Config

Hi there, So I got a Vcore3.1 with Volcano hotend, dual 5015s and using Mini Sherpa. I have problem running at 8K with 100mm/s. There is not enough cooling. ...
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eastern-cyan
eastern-cyan6/16/2023

Irregular offsets

Printer: v-core 3.1 500 BigTreeTech Octopus V1.1 Motherboard BigTreeTech TMC2209 Driver SPI Mosquito Magnum Hotend - Rat Rig Bundle Bondtech LGX - Large Gears eXtruder...
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Option 'retract_length' is not valid in section 'extruder'

Really not sure what happened here. I did not use the printer for a couple of days. Went to go start a print and the following error appeared. I checked my printer.cfg file and nothing had changed with that value. Here is the full message: "Option 'retract_length' is not valid in section 'extruder' Once the underlying issue is corrected, use the "RESTART"...
exotic-emerald
exotic-emerald6/15/2023

asa warping 270x370mm

I'm trying to print a disk subpart on a v-core 3.1 4028 fan enclusore 2.0. As long as the printing is going on addog there is nothing wrong however when you finish the print and slowly cool down the table and the part or the heater chamber. Such deformation will occur. What can I do that will reduce the bending of the part. DEVIL ASA Camber: 40 I can also heat the chamber if necessary....
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is this the extruder doing?

It's the same whether wobbleX or RR oldham, so is this extruder or is it z motor tuning, or something else? Printed in ASA at .2 layer with .5 nozzle. Seems like a 2mm distance effect, or 10 layers.
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national-gold
national-gold6/12/2023

weird artefacts everywhere+uneven layer stacking/uneven extrusion

Tell me if more information is needed
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perfect first layer but bad subsequent layers

Been having this under extrusion issue where the first layer is laid slowly and well but subsequent ones suffer underextrusion.
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genetic-orange
genetic-orange6/11/2023

First layer calibration not working properly?

I have been trying to fix my first layer, but have been having trouble dealing with what seems to be a non flat surface. My bed mesh isn't great, but I would expect it to compensate better than this?...
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small blobs everywhere

I just can't get rid of the small blobs, I've tried a number of settings, and that's the case with all filaments Printer V-Minion Rapido HF 0.4 Nozzle ...
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