Questions tagged [infill]

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

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18
votes
4answers
27k 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 different infill in the same part? For example: Base: has the infill of ...
0
votes
1answer
41 views

Custom Infill Pattern Based on Self-Generated Geometry

I am trying to look for my options for generating a custom infill pattern which complies to a geometry that I want to repeat. I can get the geometrical coordinates too in order to make the final shape....
0
votes
1answer
155 views

Infill not printing well. What I am doing wrong?

I am a new to 3D printing, somehow, the infill of my print compiled by Cura 4.5 is weak. I print with generic PLA (FD plast) on 200 °C. See image below: Print details: I have a Zonestar Z6FB which I ...
0
votes
1answer
63 views

Problem with grid infill (line positioning)

I have a problem with the grid infill on my BCN3D+ Dual Paste extruder: when I print a structure the lines of the infill are not evenly printed, every two lines the gap between the lines is higher (...
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 ...
1
vote
2answers
144 views

Delamination issue Ender 3 Pro PLA

I recently bought some SUNLU PLA black filament and was attempting a small print with it and it started to come out in strings and lumps and was incredibly inconsistent. Before this I'd been using ...
1
vote
1answer
87 views

Why does infill percentage stop the 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 0.2 mm resolution. So then I noticed that there were default settings in Cura for ...
4
votes
2answers
355 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. ...
4
votes
2answers
406 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 ...
2
votes
2answers
502 views

Ender-3 Pro - PLA mid-layer warping (layer separation) - salvageable?

I just got into 3D printing with an Ender-3 Pro. The test dog printed great, some custom small / thin objects printed good, and now I tried my first big object. Designed in tinkercad (link to my ...
1
vote
1answer
50 views

Issues with print Prusa i3 infill breaking and causing clogs

I'm having some issues with my Prusa i3 prints. I'm trying to print the default beer opener print that came with the Prusa's memory card but the infill will break causing clogging and now allowing the ...
2
votes
0answers
63 views

Weird solid infill for chamfer

I am very frustrated with some weird solid infill issue, mostly due to sloped wall such as chamfer for fillet. Here is an example. I have a 20x20x20 mm cube with 2 mm rounded chamfer at the ...
5
votes
3answers
829 views

What is the best infill pattern for shearing strength?

For practicality sake, I need to print a design such that there will be weight hanging parellel to the layer lines. Is there an infill pattern that would be better than others at handling this? I ...
2
votes
2answers
126 views

How to slice a model to ensure at least a certain amount of filament per layer?

I am designing a part with a material which can bear up to a certain stress. To keep the stress within the design limits, I need to ensure a certain surface of solid material per layer, in other ...
4
votes
2answers
548 views

Slow down first layer above infill in Ultimaker Cura

In Ultimaker Cura, is there a setting to slow down just the 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 ...
29
votes
4answers
29k 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-...
3
votes
1answer
294 views

Infill keeps “shoveling”, but perimeters are fine

While printing PET-G (@ 220 °C nozzle and over 58 °C bed temperature), the outlines always print fine but the infill keeps shoveling. Could I be printing too hot or too cold? I am ...
6
votes
1answer
141 views

Do Cura's self-crossing infill patterns account for excess material from self-crossing?

As far as I can tell, Cura's infill patterns which are self-crossing, such as triangles, don't do anything special to account for extruding material over the ...
4
votes
3answers
3k 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 ...
2
votes
0answers
323 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 ...
6
votes
2answers
577 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. ...
3
votes
0answers
34 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
1answer
1k 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 ...
6
votes
2answers
3k 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
613 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 ...
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 ...
3
votes
2answers
786 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 ...
4
votes
1answer
469 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 ...
4
votes
2answers
254 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 ...
5
votes
4answers
556 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 ...
6
votes
1answer
334 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....
7
votes
4answers
250 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 ...
6
votes
3answers
351 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
522 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 ...
7
votes
3answers
6k 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 ...
2
votes
1answer
174 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: ...
5
votes
2answers
789 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 ...
4
votes
1answer
257 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 ...
14
votes
6answers
907 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 ...
7
votes
2answers
6k 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 ...
2
votes
1answer
279 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.
8
votes
1answer
287 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?