Questions tagged [slic3r]

Questions related to the software slicing engine called Slic3r

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13
votes
4answers
5k views

Why do some models appear broken in slicing software?

In my slicing software (Slic3r) some of the vertices/walls of my model seem to have disappeared, so that the inside of the model - which should be solid - is visible, while the surface appears as a ...
12
votes
1answer
2k views

Slic3r - Can I add new infill patterns?

Slic3r comes with a handful of infill patterns/algorithms, including Rectilinear, Hexagon, 3D Hexagon, Concentric, and Hilbert Curve. Are there any patterns/algorithms already made and available that ...
10
votes
2answers
8k views

How can I calculate volumetric speed for Slic3r auto speed?

I have noticed that Slic3r offers a speed setting called "auto speed" meant to give a constant filament pressure at the extruder, which I believe could eliminate filament grinding issues at higher ...
10
votes
2answers
5k views

slic3r: Can I vary the infill percentage for different heights of my model?

How can I vary the infill percentage for different layer heights of my model? Context: The bottom part of my model needs about 20% infill. The geometry of the top part of the model (mostly cones of ...
9
votes
1answer
6k views

First (bottom) layer has gaps

First off - I'm rather new to this and I might be on the wrong track altogether... I'm printing PLA using a simple DIY XYZ printer with a direct-driven extruder, 0.3 mm nozzle, 0.2 mm layer heights, ...
8
votes
4answers
1k views

Trouble printing small thin pole

3D-printing newbie here. I have a Geeetech's Prusa i3 mk2 B. I'm trying to print this: https://www.thingiverse.com/thing:1358311 That's a mold, with 2 external parts and a core. The exterior prints ...
8
votes
2answers
2k views

Heatbed control with Pronterface

I'm having trouble getting my MendelMax 2's heatbed not to heat up when I want to print without it. I don't get how multiple sources of control relate to each other (same with extrusion temperatures, ...
8
votes
1answer
91 views

Cooling for big layers

There is an option in Slic3r to disable cooling for layers that take more than n seconds. What would be the disadvantages of having cooling on big layers ?
8
votes
3answers
1k views

How can I set the 1st layer after a raft in Slic3r to print at 1st layer speed

When you add a raft in Slic3r, the first layer of the raft prints at the first layer speed. After the raft is finished, the first layer of the print prints at the standard speed. How can I make the ...
8
votes
1answer
969 views

Skipping Y-steps, only when using Ultimaker Cura

In order to find out why my printer sometimes skips Y-steps (always in the same direction) only in Ultimaker Cura, I am digging into the G-code to understand the problem better. However, thousands of ...
8
votes
1answer
698 views

Getting started: shell passes not fusing in x/y, and a slanted wavy pattern on vertical walls

I'm trying to find the main reason(s) for the imperfections I'm seeing in printouts from my printer. It is an I3 clone from Folger Tech. I got this printer from a friend who used it to print a larger ...
8
votes
2answers
581 views

What is wrong with my “disable sensor” gcode?

I have a spool of translucent PLA filament that doesn't work well with the filament sensor on my Prusa i3 MK3. The translucency trips up the sensor, making it think the filament ran out. I thought I'd ...
7
votes
1answer
455 views

Slicing problem - Slic3r prusa

I'm trying to slice this model: https://www.shapeways.com/product/VVNUVZ6JL/dread-warrior?optionId=66361748&li=user-profile I'm using a .4mm nozzle and .1mm layer height. When using slic3r some ...
7
votes
2answers
570 views

Where to get the Slic3r configuration files for the 3D PrinterWorks Creatorbot printers?

I have a Creatorbot 3D printer made by 3D PrinterWorks. Their website appears to be down, as well as their Facebook page. To me it appears they are no longer around. I've installed Slic3r as 3D ...
7
votes
1answer
458 views

Slic3r: How can I automatically modify the STL filename?

When generating STL files with slic3r I would like to automatically prefix the filename with strings such as PLA or PET before uploading to my printer. How can I specify this in the filament settings?...
7
votes
2answers
14k views

Ender 3 severe under-extrusion

I've been using my Ender 3 for about four months now and it's been working wonderfully. The print quality is amazing and all the prints are very strong. Then about three weeks ago, my entire system ...
7
votes
1answer
816 views

20x20x20 calibration cube size change after switching filament

I used to print with PLA and everything in my printer was calibrated. But I got a new type of filament called Poly Hybrid from a friend of mine. When I print a 20 mm cube, the x and y axes are fine ...
7
votes
3answers
2k views

What causes gaps in small region fills and how to prevent them?

I saw this cool Nuka-Cola bottle opener. I made it: As you can see, nasty gaps have appeared in the text. What could've caused them? I am sure I set the filament diameter correctly. So why did ...
7
votes
2answers
830 views

Why does my domed print have a thin shell?

I am making a "fun button", with a dome-shaped top. The vertical sides, top center, and raised lettering seem fine, but the more sloped outer parts of the dome are very thin, with some gaps and the ...
6
votes
4answers
1k views

What determines print start location on the build plate?

I'm working with an older MakerBot Replicator clone, actually a Flashforge Creator 1, with original Creator firmware. I'm able to design objects, using Solidworks, and exporting the file as xxx.stl (...
6
votes
2answers
760 views

Where to find z coordinate in G-code for delta printer

I´m currently writing my own firmware for a custom delta printer. Therefore I also need to read G-code from programs like Slic3r. Even with an small example like an cube I´m struggling to find out ...
6
votes
1answer
3k views

How to calculate the approximate volume of material used in 3d print?

Is there a reasonable way of approximating the volume of material used for 3D print by knowing only the STL file volume and infill percentage? Or what is the formula for calculating the exact volume ...
6
votes
1answer
18k views

Print Nozzle Dragging and Smearing Filament while Printing

I am building a Prusa i3 MK2 Clone and I am caught on this one. I have replaced the extruder with a MK8 adapted by myself to fit with most of the previous hardware from the E3D style extruder. My ...
6
votes
2answers
1k views

What do the pink colors in Slic3r preview signify? If it signifies a problem, how do I fix it?

What does the pink color in Slic3r preview mean? Yellow is my model, green is support, and pink is..? If the pink color is some kind of warning, how do I fix it?
6
votes
1answer
943 views

Marlin menu navigation slow while printing

My Kossel Mini printer (delta) has RAMPS1.4/Arduino Mega electronics configured to use a standard 20x4 LCD display with Marlin during printing. Often, navigating the menus during print can be ...
6
votes
3answers
2k views

Messy top layer with PETG filament?

I'm having issues getting PETG to print nicely. I have encountered pretty much every issue because when I fix one thing another issue pops up. I see people saying that you should "just copy your ...
6
votes
1answer
545 views

Second layer of ASA print 'runs'

I am using a Prusa i3 MK2 to do a print in ASA, and I'm having a problem where on the second layer the plastic 'runs' into lines across the direction the head travels. It looks like the plastic is ...
6
votes
3answers
254 views

Slicing software and Sidewall

I am new to FDM RP. I've done a lot of work on ZCorp and Connex. The question is can vectors curve drive an extrusion nozzle? Within a 3D volume I can generate curves that I want the print nozzle ...
6
votes
2answers
7k views

How to change E0 to E1 on Marlin 1.1?

I have the same problem as this person but I don't have those lines in my RAMPS.h file as seen here. I've recently burnt my potentiometer on E0 so the motor isn't ...
6
votes
2answers
642 views

Slic3r settings for flat slopes on top

I am having trouble printing a hollow object using Slic3r. On flat slopes on top, there are gaps that I cannot get fixed. The perimeters of successive layers just don't cover each other. Cura however ...
6
votes
2answers
2k views

Slic3r under extrusion

For last two weeks I have been struggling with flow rate adjustments. I'm using an UM2, colorFabb XT 1.75mm and Slic3r. Before printing a test cube I made flow rate adjustments using the "Perimeter ...
6
votes
1answer
2k views

Slic3r mesh merging

I frequently have to print a range of different parts each with different geometrical features. So far, I generate each part's optimum printing parameters manually. To be able to print such parts more ...
5
votes
4answers
918 views

Seamless prints?

Is there a way to make all your prints seamless?? I know there was this program that printed a vase constantly changing the z axis making it seamless. Why cant this be done with regular prints?
5
votes
1answer
2k views

G-Code for resetting to 100% speed

I had problems printing parts and I figured out that my children have turned the knob of my Prusa i3 MK3 and set the printing speed to 112%. Since I'm not experimenting much yet, I'm not printing at ...
5
votes
1answer
11k views

Adding extra Z-offset to bed for PETG in Slic3r

Having printed exclusively in PLA for the past year, I'm now looking at trying out PETG in order to print a set of spare parts for my new Prusa i3 mk3. I have bought a roll of PETG from Rigid.ink and ...
5
votes
2answers
1k views

Sunken and rough bottom layer

Most of my part is printing very well, but I have problems in the bottom layer and in layers that are the first layers, but not necessarily layer 0. Looking at the print quality troubleshooting, I ...
5
votes
1answer
58 views

Why does slic3r get an error “302 moved temporarily” when uploading to OctoPrint?

I have configured slic3r's OctoPrint Upload section with the with hostname ("octopi") and port (80) of my OctoPrint server. The Test button indicates a successful connection. But when I use "Send to ...
5
votes
1answer
215 views

Why are there so many print speed parameters in slicers?

The expert mode of Slic3r PE has almost a dozen speed values: I understand that ultimately print speed at a particular temperature correlates with bond strength, so things like bridges and the first ...
5
votes
1answer
344 views

Parts of my (apparently manifold) model aren't appearing in my Slic3r preview

I have an STL file that, when I load it in Slic3r, looks fine, but somewhere in the actual slicing process, something goes wrong and parts of the model disappear. That's the render on the left, and ...
5
votes
1answer
281 views

Why do I have problems trying to get Slic3r to load a config file?

I decided to fire up my 3D Printer again after a while. I have new PCs, so I had to download Slic3r fresh, so I got the latest version (1.2.9). Then I went and found my old config file. It's really ...
5
votes
1answer
1k views

Starting G-code for auto Z probe offset

So, I like to take off my glass build plate from my printer bed because I don't like to put any force on the bed bearings but this presents an issue. I have an inductive bed leveling probe and each ...
5
votes
1answer
159 views

Print not centered

I have a Colido 2.0 printer that I cannot seem to get a print centered on the plate. I am using Slic3r and OctoPrint. If I use Repetier Host directly connected, I can get it to print correctly. I'm ...
5
votes
3answers
411 views

Nozzle reducing flow as it comes close to finish layer

I've have observed that when the printer is finishing a layer, the flow of plastic through the nozzle starts fading out as it comes closer to the point of layer change. As an example, let's say that ...
4
votes
1answer
165 views

How to correctly print an object with supports

I'm trying to print the following model in my Prusa printer using its Slic3r PE software. Ferment Air Lock In the comments of the model it says that the way to print is the with the filler opener ...
4
votes
3answers
2k views

Having trouble getting first layer support to stick

I'm having an issue where the first layer of my support structures isn't sticking on the edges and causing the print to (eventually) fail. Any ideas on how I can fix it? I'm using Slic3r.
4
votes
1answer
2k views

Only generate supports between object and bed (for a brain model)

I would like to print a model of my brain (figure 1), it requires supports (figure 2). The supports also get generated between the brain folds/wrinkles of the brain by Slic3r. I only want the supports ...
4
votes
1answer
303 views

Change Slic3r settings for left handed coordinate system

I made my printer to have a left handed coordinate system (it homes to the back left corner of the heatbed), I did this because it happens to make working on the printer easier for me. This, however, ...
4
votes
2answers
1k views

Weird underextrusion in vase mode?

It's my first time printing in vase mode, and I noticed my printer underextruding badly. The settings have not been changed from default vase mode settings in slicer, and earlier I was printing non-...
4
votes
1answer
728 views

How can I see what errors Slic3r have repaird?

I have an STL-file that Slic3r thinks has errors. They are not visible in the 3D view. I have had them anazlyzed in both Blender and netfabb. Both of these programs say that the model is good. I don't ...
4
votes
1answer
2k views

Slic3r not interpreting STL correctly

I'm very new to 3D printing, I purchased a Monoprice Maker Select Plus last week and I'm just getting started with printing my own models. I can create fairly simple models in Sketchup without a ...