Questions tagged [infill]

Questions about the internal structure of a 3D printed part.

3
votes
1answer
38 views

Slow down first layer above infill in Ultimaker Cura

In Ultimaker Cura, is there a setting to slow down just first layer (or two layers) covering over the infill? I'm not talking about the top layers, since you may have infill covered over during a ...
2
votes
0answers
46 views

Best infill for inter-layer adhesion

I'm fairly convinced that gyroid is the best infill for a lot of purposes, and use it regularly now, but both conceptually and anecdotally, it doesn't seem very good for reinforcing inter-layer ...
2
votes
0answers
25 views

underextrusion of infill? [duplicate]

Running a bency print to test my new cooler, I noticed an odd effect on the rectilinear infill I'm using: It's almost as if the individual lines of the infill are tearing. The thing is that the ...
5
votes
2answers
280 views

Uniform squishy infill

I try to print a stamp with flexible filaments. The problem I encounter is that the filament is flexible, but not soft. This leads to small differences in height to parts of the stamp not working. ...
4
votes
1answer
225 views

Infill failure when printing larger prints

I'm new to 3D printing an I just got a Creality Ender 3 and I think I'm getting some good results with small prints. However, now that I'm trying some bigger prints and I'm running into infill ...
5
votes
2answers
208 views

Infill is rough - how to enhance?

My i3 MK3 is printing very well for solid parts of an object, but it messes up with infill. As you can see in the image, the infill is broken into pieces and bends to that the surface becomes rough ...
2
votes
1answer
84 views

Gap between infill and walls for one filament only

When I'm printing with my Chromatik filament white, 1.75 mm in diameter, I observe a gap between the infill and the walls (see picture). Everywhere on the web I can find explanations for this kind of ...
3
votes
2answers
131 views

Internal wall does not print in horizontal print orientation

I have an object that has cutouts in it (alignment pins fit in the cutouts). The shape of the hole is a right triangle with the point clipped off to create a flat surface in the deep part of the hole. ...
1
vote
0answers
41 views

Why does Infill % stop print from sticking to the bed?

I've recently purchased an Ender 3 and have had great success with some Cura settings found on a YouTube Tutorial at 0.2mm resolution. So then I noticed that there were default settings in Cura for ...
13
votes
3answers
9k views

What are the advantages of gyroid infill?

I've seen a few print time-lapse videos lately which use gyroid infill: wavy lines, which deform across layers so that the waves end up alternating between the two axes. Other than making the time-...
8
votes
2answers
1k 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 ...
2
votes
2answers
273 views

Using multiple infill types within one model [duplicate]

When modelling for 3D printing, can I distinguish somehow the type of infill in various areas of the model? Say there may be some areas in the model where I want 100% infill (maximum strength) but ...
3
votes
1answer
163 views

Infill failure at the far corner of two different prints

I am a complete newbie at 3D printing (although learning fast). I switched from the default Qidi slicer to the Cura slicer on a Qidi X-Pro machine (which is wonderful). Using: plate 50 °C, 0.4 mm ...
3
votes
1answer
222 views

What is this weird support line doing in this print?

I am a newbie to 3D printing and ran into a weird infill line on my second 3D printing object on a new Qidi X-Pro machine (which works great). I've included a screenshot of the infill line, which is ...
4
votes
2answers
166 views

How are infill paths connect to form an efficient path that respect the object's geometry?

I am attempting to write a basic slicer for some objects I am working with. I need to write a custom slicer as the objects are not polygonal based (they are implicit objects) and therefore cannot be ...
7
votes
4answers
108 views

Does Cura have an algorithm for any infill percentage or does it just have specific patterns?

Looking in the Cura interface, I can set any whole number 0-100 for the infill percentage. Does Cura have an algorithm to calculate a pattern for any of those possible values, or does it have a few ...
10
votes
3answers
5k views

Different infill in the same part

I´ve have read an article to change different pattern depending on amount of layers, but my question is if is possible to have diferent infill in the same part?, for example: Base: has the infill of ...
3
votes
3answers
254 views

Prusa i3 MK2 doesn't accept the printing material

We have a Prusa i3 MK2 and we've changed for a print with another colour material but when I pressed "load filament", it didn't make anything. Often after five times doing that the printer works. I ...
5
votes
1answer
257 views

Square and parallel infill patterns

I don't know how to word this right now but I am going to try my best... moving on! So I was playing with my slicing software (Craftware) and I was looking at two infill patterns, Square and Parallel....
5
votes
3answers
245 views

FEA in 3d printed solids

I would like to get a pretty accurate method to do finite element analysis (FEA) on my 3d designs considering the infill. I use Autodesk Inventor to design parts but the FEA can only be applied to a ...
4
votes
3answers
2k views

Ultimaker Cura infill issues (weird vertical pillars due to underextrusion)

I have spent ages debugging this problem but I can't figure out what I am doing wrong. I have a Wanhao duplicator i3 (Prusa i3 clone) and until recently I used Wanhao's adapted version of the Cura ...
4
votes
2answers
578 views

How to slice this wing so it has a smooth infill like perimeters

I have this wing design that I want to print: You can notice that its walls have a thickness, which is 1.0 mm. I want to print it so that the perimeters are inside that thickness. Here is the ...
2
votes
1answer
146 views

Does anyone know how Slic3r determines its infill adjacent strand spacing, instead of using fill density?

I'm doing research on changing the fill density into the air gap width, adjacent strand spacing, or whatever, instead of using the fill density, as it will give me more precise controls. Question 1: ...
4
votes
1answer
228 views

How do I repeat the layers of Slic3r for every 3 infill layers with different angles? (Might need some programming knowledge)

I'm working on developing alternative infill layers to print at different angles, using Slic3r. Using Slic3r's rectilinear infill, printing at specific angles for 3 layers then repeat. I'm working ...
6
votes
2answers
5k views

Infill pattern comparison

I'm relatively new to 3d printing, and wanted to get a few things understood. Firstly, I am unclear on how Hexagonal infill is stronger than, say, diamond pattern. Can anyone explain how the ...
1
vote
1answer
197 views

Will my Duplicator i3 be able to print this hole in the vertical wall without infill?

Will my Duplicator i3 be able to print this hole in the vertical wall without infill? The wall is 7mm the diameter of the hole is 24mm, the shell thickness is 0.8mm.
5
votes
4answers
317 views

Thick wall or solid part of an otherwise medium-fill part

I'm trying to design a camera handle, which will be around 8" long and will have a brass camera thread insert in the end, where the camera will be mounted. (That way, I don't have to screw the camera ...
7
votes
1answer
187 views

Unidentified problem in printing

I have printed the XY resonance, Z resonance, bridging performance and the negative space tolerance test, from Makezine (can be found here), and I have encountered the following errors in the prints. ...
4
votes
2answers
2k views

First layer - not even infill

I'm using Repetier and Slic3r and it is printing a gap between the perimeter and infill on the first layer. Also, the infill is lifting (as in photo). Any advise?
6
votes
3answers
4k views

How to add internal supports/localized infill, preferably in Cura?

I'm currently designing a very large and complicated model, because it's large and should be strong enough completely hollow I want to print it with no infill to save material. However, there are ...
13
votes
6answers
687 views

Choose infill percentage

Since I'm running a 3D printing facility of an engineering school, students are always wondering how much infill percentage affects the stiffness of the part. I know that it is impossible to get a ...
11
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 ...