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Questions tagged [infill]

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

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Vertical infill for a small cylinder

I want to print a thin and high cylinder (say, 1 or 2 mm radius and at least 2 cm high), and make it as strong as possible. Even with 100% infill, the layer-by-layer printing makes it rather weak. My ...
tarulen's user avatar
  • 113
1 vote
1 answer
18 views

Infill line start position

I have a problem with the infill settings of a solid cube. I have 0 top and bottom layers, wall counts (zero), and infill set at 100 %. The infill line directions are [90, 90]. However, I have an ...
Souvik's user avatar
  • 21
0 votes
1 answer
489 views

Can a PLA print be laser engraved?

Is it possible to laser engrave an object that was 3D printed with PLA or will the structure of the whole object simply melt and fail? How does PLA behave when being engraved? Does it require special ...
Bob Ortiz's user avatar
  • 1,123
0 votes
0 answers
73 views

Uselessly slow printing pattern for second-to-top layer of Swiss-cheese-like model (using SuperSlicer/PrusaSlicer)

I am printing a flat plate that has swiss-cheese like holes in the top layer ONLY, but the layer beneath the swiss-cheese one is uniformly flat. Desired outcome: second-to-top layer prints clean back-...
Benjamin Hale's user avatar
0 votes
0 answers
39 views

New Neptune 3 Max. Cubic infill problems. Flexible Flashforge PLA

Using settings and filament (Flashforge Flexible PLA) that work well on my Ender S1, I am having trouble with cubic infill on the Neptune 3 max. I was wondering if you could offer some advice. The ...
user161472's user avatar
0 votes
1 answer
454 views

Gaps in infill only - walls are perfect

I'm printing for the first times on my new Sovol SV04, using their PLA @ 210 °C (after printing a temp tower). The walls and top layers are almost perfect, but the infill has a lot of gaps between ...
Mark's user avatar
  • 437
2 votes
1 answer
126 views

Print output missing sides

I tried to print my first object, which is the calibration cube downloaded from here, XYZ 20mm Calibration Cube. However, the output has a visible infill on all sides: I think this is because some ...
Johnykutty's user avatar
2 votes
0 answers
124 views

Weird infill edge problem

I'm having this weird issue; for some weird reason, the infill pattern starts separating from the walls and over time, the print becomes a mess. As it separates, it starts to curve, and you get this ...
Vitomir Kovanovic's user avatar
1 vote
1 answer
150 views

Define PrusaSlicer infill modifiers in STL/3MF?

I use a procedural 3D animation package (SideFX Houdini) for my 3D object design. After exporting my design to STL then importing to PrusaSlicer, I manually place modifier objects to adjust the ...
Geordie's user avatar
  • 131
3 votes
1 answer
69 views

Square gaps and overlapping grid infill artillery sidewinder x1

I'm trying to print something that's very wide and flat, like a board that covers the entire build plate (300x300) but is only 15 layers high. I've chosen grid infill and it works at the front left ...
Benjamin Hale's user avatar
0 votes
1 answer
283 views

Targetting low thermal conducitivity with PLA

I'm working on a (currently only conceptual) design for a Peltier-cooled sample holder, and the cold side will need some insulation. It's likely to be a rather complex shape, so 3D printing it looks ...
Chris H's user avatar
  • 101
4 votes
2 answers
582 views

Cura uses lines instead of concentric infill

I'm printing a ring that's a replacement for the non-slip base of a mixing bowl. The ring is about 130mm in diameter, with a rectangular cross section, like this: I'm using Cura as the slicer, and I'...
Caleb's user avatar
  • 500
1 vote
1 answer
451 views

What is the optimum infill style for printing a roughly spherical object on an Ender 5?

I'm going to print several fruit and vegetable on an Ender 5, with a maximum size of 6 inches. They are all roughly spherical in shape. Melons, squash, etc. What is the optimum in fill type to use to ...
Aaargh Zombies's user avatar
1 vote
1 answer
2k views

Infill line distance at 100% infill density

I want to understand what the infill line distance of 0.4mm signifies. I am printing at 100% infill.
Beenum's user avatar
  • 191
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0 answers
122 views

How to tune pattern for a given infill density

Obviously the density and pattern are strictly related but seems values aren't tuned automatically according the combination of various patterns and if I change the infill density Cura chooses ...
AndreaF's user avatar
  • 227
1 vote
1 answer
526 views

CR-10 Smart with weak infill

I had a hard time printing some parts as the brim was printed very well contrary to the first layer, wall, and especially infill. I noticed that filament lines were too thin when printing walls, ...
Ahmad Magrabi's user avatar
1 vote
1 answer
2k views

Adaptive infill density in small region

I'm using Ultimaker Cura to slice my 3D models, and I often have a problem with object with dimensions over multiple orders of magnitudes. Basically, if I set an Infill of 20 %, the infill is ...
Myoch's user avatar
  • 205
2 votes
0 answers
615 views

Gyroid infill affects outer walls

I was printing test cubes to adjust my extrusion ratio, and had ugly walls. I noticed that the pattern on the walls was always the same, and disappeared if I chose 0 % infill (gyroid from PrusaSlicer)....
Gauthier's user avatar
  • 181
2 votes
1 answer
393 views

How do I fix infill support in Cura?

I am making this dog feeder. My goal is to 3D print it using an Ender 3 V2. I am using Cura to slice it. When I slice it, though, Cura does not see the Top part (Dispenser box) as a solid piece. And ...
user3347814's user avatar
1 vote
1 answer
71 views

My first 3D print, will my setting work?

I'm planning to print using a public 3D printer (Ultimaker 3) and was wondering if my settings will work. There is a 4 hour time limit. The parts don't need to be strong. I've provided some ...
Pajunen's user avatar
  • 11
3 votes
2 answers
197 views

Fill doesn't reach perimeters on supports (Simplify3D)

My Tevo Flash works well. Right now, I'm trying to print a thin, disc-like part on supports. The 3 perimeters at the edge of the disc are OK. The dense fill zigzag pattern makes many U-turns near the ...
MrSparkly's user avatar
  • 197
0 votes
0 answers
70 views

Cura 4.8.0 Custom Infill using Shape Overlap Modifier not working [duplicate]

I am using a rectangle to select an area of the model I want to have 100 % infill. You can see my setting below. After several prints, I noticed the little arm was still breaking when under pressure......
Ceilidh Madigan's user avatar
0 votes
1 answer
576 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....
shamshx's user avatar
0 votes
1 answer
322 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 (...
Ilaria's user avatar
  • 9
3 votes
2 answers
2k 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 ...
user3573036's user avatar
1 vote
1 answer
4k 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 ...
Marat Zakirov's user avatar
4 votes
2 answers
2k 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 (...
Stratubas's user avatar
  • 143
1 vote
2 answers
380 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 ...
Nate Lohn's user avatar
2 votes
0 answers
115 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 ...
Jim's user avatar
  • 21
6 votes
3 answers
7k 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 ...
linuxdan's user avatar
  • 1,403
2 votes
2 answers
233 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 ...
FarO's user avatar
  • 4,313
3 votes
1 answer
2k 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 ...
user77232's user avatar
  • 2,438
6 votes
1 answer
596 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 ...
R.. GitHub STOP HELPING ICE's user avatar
4 votes
2 answers
2k 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 ...
Joel Coehoorn's user avatar
3 votes
0 answers
1k 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 ...
R.. GitHub STOP HELPING ICE's user avatar
3 votes
0 answers
64 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 ...
kolosy's user avatar
  • 591
6 votes
2 answers
2k 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. ...
E Doe's user avatar
  • 532
6 votes
1 answer
4k 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 ...
guidout's user avatar
  • 203
6 votes
2 answers
10k 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 ...
Thomas Weller's user avatar
2 votes
1 answer
1k 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 ...
JPFrancoia's user avatar
4 votes
2 answers
667 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. ...
Kevin's user avatar
  • 573
1 vote
2 answers
505 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 ...
Calvin's user avatar
  • 11
39 votes
4 answers
53k 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-...
Dan Hulme's user avatar
  • 937
10 votes
2 answers
7k 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 ...
Mark Harrison's user avatar
3 votes
2 answers
1k 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 ...
Kozuch's user avatar
  • 145
4 votes
1 answer
1k 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 ...
Kevin's user avatar
  • 573
4 votes
2 answers
811 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 ...
Kevin's user avatar
  • 573
4 votes
2 answers
585 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 ...
Chris Uchytil's user avatar
8 votes
4 answers
435 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 ...
Joel Coehoorn's user avatar
37 votes
5 answers
62k 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 ...
Fernando Baltazar's user avatar