Questions tagged [slicing]

Questions about slicing. Problems and challenges in the slicing process of models should use this tag.

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4
votes
2answers
304 views

Ultimaker Cura is adding redundant top/bottom layers

I'm trying to print a supporting base which will house the spindle for an electrostatic rotor. It's basically just a truncated cone with a hole down it's center to house the spindle. For reasons that ...
24
votes
5answers
38k 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 ...
4
votes
1answer
4k views

Slicer for 32 Bit Operating systems?

I currently only have access to an old, 32 bit OS and need to slice a couple things. While there are a lot of slicers around, most popular ones, for example Ultimaker Cura 4, need to run on a 64 bit ...
2
votes
1answer
68 views

How to convert .obj file to .stl so I can slice to G-code?

I am a beginning maker using an Ender 3. Someone sent me a .obj file from Thingiverse to print for them. I use an online slicer called IceSL as a slicer. As experts on here know, I cannot use my ...
2
votes
1answer
48 views

Trying PrusaSlicer

Being new to 3D printing, I started using Cura (which came with my Ender 3v2) to slice models I found on Thingiverse. I know that there are other slicers and have heard positive things about ...
2
votes
4answers
238 views

Cura messes up my print. How can I make it print what I see in Blender?

I'm using Cura and it removes my holes and deletes sections of the print and disconnects parts. In Blender it looks as it should be, as I designed it. I know there are a few mishaps inside (not ...
3
votes
1answer
133 views

How does G-code for belt bed printers work?

Are there any good resources on understanding how G-code/slicing for belt bed printers works? I'm told the upcoming Creality 3DPrintMill is being used with Blackbelt Cura, which seems to be a fork of ...
3
votes
1answer
154 views

Does the Creality Ender 3 allow variable layer thickness?

I'm new to the 3D printing world but I've been using some of the 3D printers at my local library, and am now interested in purchasing my own! One thing that's important for my projects is being able ...
3
votes
2answers
102 views

Is a slower outer perimeter speed still meaningful?

In the past we had printers with poor mechanics and with primitive software algorithms, therefore we used to print inner perimeters faster than the outermost one. See for example (generic, found ...
1
vote
0answers
50 views

Wouldn't a higher flowrate for 2nd outer wall increase the print quality?

I mostly print mechanical parts and thus need dimensional accuracy. When calibrating my printer I stumbled over the fact, that some people calibrate flowrate with single wall prints which would give ...
1
vote
1answer
122 views

Can Cura alert me (give a warning) if it estimates times for layers are too long?

I occasionally have a problem with warping and peeling. Mostly this is fine; it only happens rarely. Recently it happened again on a larger item, and it gave me an idea. I went back and looked, and I ...
2
votes
3answers
1k views

How to get a quality print of a thin single-walled shell?

I would like to 3D print a small thin tub/mold for an epoxy resin. I have tubings inserted into holes, and I need to fix these tubings securely with epoxy (see picture below). The space is very ...
0
votes
1answer
58 views

Issues With Cura 4.6.1 Effecting Text Width On The Initial Layer

I'm have an issue where Cura 4.6.1 is effecting the width of certain characters if the part is orented to print them on the the bottom. The initial layer seems to be the only layer that is effected. ...
3
votes
2answers
70 views

Slicers and printers compatibility

I am a complete beginner so I apologise ahead for probably an obvious question. From what I understand up to now, slicer software basically takes a 3D model and turns it into instructions that say ...
1
vote
2answers
35 views

Can carving templates be produced from G-code?

I am looking for a way to generate 2D horizontal templates for manually carving an object. My thought was to produce an STL of the model, generate the G-code, and then transform that into slices. ...
5
votes
1answer
223 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 ...
1
vote
2answers
41 views

Failure near the start point

The image below I indicated where the point where the tip of my extruder returns after changing the layer height, I don't know if I am right to call this point "Start Point" ... The problem ...
0
votes
1answer
102 views

File size limit in 3D printing software

Odd question for everyone, hope it has a distinct answer. I'm often printing bone models derived from CT scans (I work in a hospital) and they often have something on the order of 5 million faces +/-...
0
votes
0answers
193 views

Tiny holes happening randomly when printing thin walls (Creality Ender 3 Pro - Simplify3d)

I'm trying to 3D print a cookie/clay cutter with the cutting edge at 0.4 mm but I keep getting small gaps in the print that seem to appear randomly. I've toyed with settings such as increasing the ...
1
vote
0answers
99 views

How do I fill missing corners in Cura

I'm trying to print a gear for a robovac deal. The issue I'm having is with gaps between the walls of the top part of the gear. It needs to have the corners filled to provide stability or else the ...
0
votes
0answers
36 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......
1
vote
1answer
27 views

Horizontal faces not generated in Cura

I've never used a 3D printer before. I'm trying to print the calibration cube found on Thingiverse. After the process finished, I noticed that the face pointing up that forms the inset at the base of ...
0
votes
0answers
24 views

Maximum number of lines of G-code per second (Ender 3/Octoprint)

I'm writing a slicer to generate print paths based on two input fields: one describing the shape I need to be printed and the other describing the direction which I would like the nozzle to follow. ...
3
votes
2answers
202 views

How to slice rounded corners in thin walls with Cura

I'm trying to print a small box with 1 mm thick walls. The box has rounded corners. Cura slices the rounded corners with straight internal lines instead of rounded lines: The reason for these ...
0
votes
0answers
32 views

Extruder motor not running when using G-code from PrusaSlicer with non Prusa printer

I just assembled an FLSUN QQ-S pro printer and successfully printed two models from the supplied SD card. Everything works fine. However, I tried slicing my own model using PrusaSlicer and although ...
2
votes
1answer
92 views

Slicer is adding additional floor bed

I'm trying to print an architectural model of a house with 2 floors and a room on the roof. It was designed in SketchUp by a friend. I removed inner walls and floors to print it upside down to get ...
0
votes
2answers
178 views

Cura imports FreeCAD stl wrong

I am trying to import an STL file, I created in FreeCAD. It has a hole in the hull of the object and behind that hole there are two pins inside the object (see attached FreeCAD screenshot). When I ...
2
votes
1answer
438 views

Printing and slicing big pieces with Elegoo Mars (Pro)

I'm pretty new in the 3D printing world, and there are some doubts that have come my way and I've not been able to find anywhere. Usually, I'm going to try to print pieces bigger than the bed of my ...
4
votes
2answers
435 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. ...
3
votes
1answer
65 views

Is there a slicer that can set the print speed for each layer as a function of the layer area?

Is there a slicer that can set the print speed for each layer as a function of the layer area? Larger areas give the layer a longer time to cool off before the next print layer. When the layer areas ...
1
vote
1answer
51 views

Unable to Determine Proper Print Scale of STL model

I am new to 3D printing and have a Monoprice MP Select Mini 3D Printer V2. I wanted to be able to 3D-print this VR Adapter from Thingiverse. Before downloading the Cura software, I tried opening the ...
0
votes
0answers
132 views

Can't manage to force my print to standby while I insert a nut - Prusa Slicer and Tronxy XY2 pro

I use the Prusa Slicer on a Tronxy XY-2 pro which I believe uses RepRap firmware. I believe it uses RepRap firmware because I had to input it into the Prusa Slicer initialization questions, but I'm ...
2
votes
0answers
747 views

Scaling mechanism in Creality Slicer 1.2.3 for super small/large STL

I am having a tough time to understand scaling out and in STD files loaded into the Creality Slicer 1.2.3. For instance an STL like this: ...
1
vote
1answer
518 views

Ultimaker Cura is not always retracting in exported G-Code

TL;DR: Upper layers of a stringing pyramid test are missing retractions in the G-code. Edit 1: added printer info and additional settings. Edit 2: Clearing up confusing wording. Update: I wrote a ...
2
votes
1answer
295 views

How do slicers convert an STL file to G-Code?

I was wondering how slicers work, how their code runs to generate a G-Code file. How is an STL file interpreted through a slicer. How does the math work for generating supports, build plate adhesion? ...
5
votes
3answers
705 views

Strange walls/faces when importing self made model from Blender to Cura 3

I wanted to create a coin stacking device similar to this one: https://www.thingiverse.com/thing:499177 But I wanted to only 3 coins, 5c, 2c, and 1c. Unfortunately the STL came in pretty messy after ...
6
votes
3answers
3k 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 ...
3
votes
1answer
97 views

Do SLA printers have open source slicers available to use?

Does anyone know of a (manufacturer independent) software that supports different types of SLA printers? Since there are many different SLA type printers around, I was wondering if there are any ...
13
votes
4answers
6k 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 ...
0
votes
1answer
354 views

Deactivate combing in first layer

I noticed a problem with the combing feature. When I print the first layer with combing set to “not in skin” the extruder does not retract on the first layer. That leads to ugly oozing strings in the ...
0
votes
0answers
151 views

weird part slices with horizontally printed holes

I just made a remix of that mod to have a more rigid chassis for Z axis. While the parts are a little too heavy to my taste, I did import the STL to FreeCAD and made some adjustments before printing. ...
4
votes
1answer
260 views

How to resume an unfinished project

I was printing a lid for a box in my Ender 3 pro printer. But I don't know why it stopped printing and moved aside when it does in finished printings. This happened at midnight and I didn't see it ...
0
votes
2answers
328 views

Brim around just one section

I'm looking to print this item: https://www.thingiverse.com/thing:4274950 I want to lay it flat on the bed, 90° to how it's shown on Thingiverse. The problem is there's the one little corner on ...
2
votes
1answer
153 views

Alternating number of lines for the shell between layers

Is is possible to have alternating numbers of lines for the outer wall between each layer? So, say, one layer will have 3 lines for the wall, the next layer, 2, then the next layer 3, then 2 again, ...
2
votes
0answers
79 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 ...
1
vote
1answer
1k views

CubePro Alternative Slicer

So, having bought this cube pro duo 3d printer a few days ago I have come to see how significantly limiting the default slicer software that comes with the machine is. For the prints that I am doing I'...
0
votes
0answers
416 views

Prusa slicer and support material

I usually use Slic3r 1.3 but now I'm trying the new Prusa slicer 2.2 that offers new features. I see that Prusa slicer creates ...
0
votes
1answer
111 views

Big cracks on the Layer view in the Preview mode of Cura

I designed a part on Fusion 360 that looks like this: The part is very small, about 20 mm for 10 mm. I'm then importing it to Cura and I notice they are huge cracks on the part when ...
0
votes
2answers
37 views

Simplify3D, connection disapear after slice

I have a problem with some models like this (trim_tabs version) : https://www.thingiverse.com/thing:3401852 When I import the model on simplify, the tabs are sticky to the model (see pic3.png) but ...
5
votes
2answers
560 views

Which 3D design softwares make multi-material amf or other design files that slic3r will slice?

I'm looking for suggestions for 3D design software which support designing multi-material parts. I will be printing on a multi-extruder machine based on RepRap firmware. The printer will handle the ...