Community Digest

Top new questions this week:

Editing a G-code file for different material

I had a model I had originally printed in PLA, and then lost the STL... but I still have the G-code. Now I want to print it in PET-G. Do I need to do anything other than update the numbers on the M104 ...

g-code print-material  
user avatar asked by Joel Coehoorn Score of 5
user avatar answered by Joel Coehoorn Score of 5

Using 40W adapter on 30W heater cartridge?

Recently, I accidentally shorted out my heater cartridge when trying to do my first nozzle swap on my Prusa MK3S+. I just ordered a new E3D v6 Hotend with 30W Heater Cartridge and it will be here in a ...

prusa-i3 hotend wiring  
user avatar asked by smattar Score of 2
user avatar answered by R.. GitHub STOP HELPING ICE Score of 0

PETG configuration

Recently, I have started to use PETG as my new material, before that I had been using ABS. But I stopped using ABS because of the cracking. I have been printing a lot of calibration cubes and I ...

print-quality petg  
user avatar asked by Cartox Score of 2
user avatar answered by Perry Webb Score of 1

What does somebody mean in Cura when he demands a "feeding rate of 105%"?

In a review for a certain filament I read that somebody recommended "a feeding rate of 105%". What does he mean, and how could I set this in Cura? When I search for "feed" in the ...

ultimaker-cura speed  
user avatar asked by tmighty Score of 1
user avatar answered by Trish Score of 2

What is this situation called and how do I avoid it?

I am trying to print ColorFabb XT-Filament PETG on my Kobra Max, and I get the following results: These are my Cura settings:

ultimaker-cura filament petg  
user avatar asked by tmighty Score of 1
user avatar answered by Trish Score of 2

How does relative bed flatness affect print quality?

What are ways to a priori determine how bed flatness affects prints, as a function of the initial layer height? It's pretty obvious that a 50 um difference from one edge of the print to the other is ...

bed  
user avatar asked by Kenn Sebesta Score of 1
user avatar answered by R.. GitHub STOP HELPING ICE Score of 0

Are 3D prints safe to touch right after printing?

Are 3D prints safe to touch right after printing? If not should I do some kind of curing (like in resin printing) when my prints are done or wash them with alcohol or something Note: I am talking ...

print-material safety material health  
user avatar asked by manarinian Score of 1
user avatar answered by Trish Score of 5

Greatest hits from previous weeks:

How to set a new homing position using software and/or slicer without changing hardware end-stop?

Before the question, here is my setup; Prusa i3 (with mainboard Mks Gen v1.2) Repetier as slicer Marlin source code My main task is to convert my 3D printer into a chocolate printer. I have ...

firmware chocolate homing  
user avatar asked by Sener Score of 9
user avatar answered by Lars Pötter Score of 6

Difficult to remove support material

I'm having a lot of difficulty removing support material without damaging the print. Are there any tips/tricks to doing this or is it just a case of sanding, cutting, chopping and then cleaning it up ...

print-quality support-structures monoprice-maker-ultimate  
user avatar asked by BanksySan Score of 5
user avatar answered by 0scar Score of 5

What kinds of gaps/tolerances should I use when designing pieces that fit together?

Let's say I'm modeling a simple box with a lid. Just as an example, we'll say the outer edge along the top of the box is 50mm x 50mm. With 3D modeling software, it's easy to build a lid for this box ...

3d-models  
user avatar asked by Joel Coehoorn Score of 18
user avatar answered by Serge Rabyking Score of 8

How many grams will be used in a print

I have an STL file and I would like to know how many grams would this print consume. Is there a software so I can get it or an online link that can say me that?

filament abs  
user avatar asked by Samul Score of 7
user avatar answered by Tom van der Zanden Score of 9

When to use 1.75 mm vs 3 mm filament?

Why do we have two standard filament sizes, 1.75 mm and 3 mm? Does it really make a difference when printing? Or is the 1.75 mm just for smaller printers? In what situations should I ...

fdm filament extruder  
user avatar asked by Matt Clark Score of 41
user avatar answered by Tom van der Zanden Score of 30

What glues for bonding printed PLA to injection-molded plastic?

I will be creating a small tube styled piece to use as a junction between two pieces of plastic. The idea is to reattach the two pieces and provide strength so they don't break apart again. I plan on ...

pla post-processing knowledgebase glue  
user avatar asked by Pᴀᴜʟsᴛᴇʀ2 Score of 23
user avatar answered by Trish Score of 33

Specifying Z offset in Marlin firmware

I need to set a Z offset for the Flying bear P902. I calculated the offset (-2.98). But, every time when I try to input this using the LCD screen of my 3D printer, the value jumps to either -2.99 or -...

marlin calibration firmware z-probe  
user avatar asked by Rosalie W Score of 8
user avatar answered by 0scar Score of 14

Can you answer these questions?

Ender 3 failing on the same z position every print

I have an Ender 3, I changed its extruder for one metallic one. In my last prints, I am getting issues at the same height. The extruder can't pull the filament in for that z position. I cleaned the Z ...

creality-ender-3 z-axis underextrusion  
user avatar asked by dobleUber Score of 1

Layers offset at top and bottom and some inbetween

I'm trying to troubleshoot a problem/problems for a couple of days now regarding printing issues caused probably by the Z-axis. I'm new to 3D printing and kind of at a loss about what to do next or ...

print-quality troubleshooting elegoo-neptune-3  
user avatar asked by RyuRenyama Score of 1
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