Questions tagged [slicing]

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

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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 ...
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1answer
83 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 ...
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49 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 ...
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1answer
46 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 ...
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49 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: ...
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1answer
70 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
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1answer
192 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? ...
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1answer
43 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 ...
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1answer
56 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 ...
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2answers
106 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 ...
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43 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. ...
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1answer
73 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 ...
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1answer
203 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 ...
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1answer
33 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. ...
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1answer
46 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, ...
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2answers
91 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 ...
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59 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 ...
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127 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 ...
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2answers
83 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 ...
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1answer
54 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 ...
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1answer
52 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 ...
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2answers
35 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 ...
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1answer
125 views

Why are skirts designed the way they are?

I understand the purpose of printing with a skirt (or at least, I think I do): it gets the filament warmed up and flowing properly, in order to avoid extrusion problems while starting to print the ...
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1answer
116 views

How to slice thin curved wall

I'm trying to print a part with thin walls. I've designed it with wall 1.2 mm thick, so that I should get three 0.4 mm lines. This works just fine for the straight lines, but for the ...
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1answer
2k 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 ...
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42 views

Seeking documentation for Apex slicer on AirWolf 3D printer

I have been, unsuccessfully, in contact with AirWolf and have concluded that there is no formal documentation available for their Apex slicer software that would explain what all the various ...
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2answers
119 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 ...
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53 views

Tuning time estimates in Cura

Cura consistently under-estimates my print times. I know I'm not alone here, but I've also noticed it seems most of the difference comes from travel and retraction times... that is, if I re-slice an ...
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2answers
204 views

Smaller outer layer height?

I am printing minis and other very detailes stuff and I find that 0.04 mm layer height gives the best looking (smoothest) result. However it takes a long time, so I am looking for ways to speed it up. ...
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2answers
112 views

Does CuraEngine get some advantage slicing cylinders to move the head back to the center twice on each layer?

To date I have used RepG and Repetier with CuraEngine to do my slicing. In various instances when printing a layer of a cylinder it will start in the middle and head out toward either side. Then it ...
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3answers
138 views

PLA printings always ~0.22% larger

I was trying to print parts for a small CD-ROM drive based plotter based on this thing https://www.thingiverse.com/thing:3521286 But as tolerances are very small and need to match the existing parts, ...
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1answer
111 views

Why and how am I supposed to change the extrusion multiplier? [duplicate]

The slicing software knows exactly (given accurate E-step, filament diameter, nozzle diameter values) how much cold plastic is pushed in the extruder and how much mass is extruded. Why should the ...
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1answer
72 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 ...
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2answers
168 views

Understanding water soluble support structures

I've just done my first print on an Ultimaker 3 Extended and I'm slightly disappointed with the results, so I'm trying to understand how I can do better next time. My first print Preparing for ...
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1answer
54 views

Problem with first and last layers

I bought Ender-5 and if I print sample model in bundle SD, it’s just perfect. But when I tested basic cube with raft, its base and top is just ugly. Even thought its 4 sides are perfect. Ultimaker ...
4
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1answer
164 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 ...
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1answer
117 views

Bevel gears 3D model

Goal : create a pair of bevel gears for 90 degrees angle axles. Context : the gears are designed with an OpenSCAD library (https://www.thingiverse.com/thing:1604369, function 'pfeilkegelradpaar'), ...
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2answers
599 views

Using maximum width when slicing in Ultimaker Cura

I am trying to slice a model that is half a mm less than max width, but not successful. What am I missing? Is there some minimum value less than maximum allowed, or something? Edit: after changing ...
5
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2answers
737 views

How to post-process G-code to make prints faster using splines and arcs?

Recently (in 2017) there was a paper that got some publicity by researchers who are using a B spline algorithm to reduce vibrations in 3D printers. But before them, a B Spline implementation seems to ...
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3answers
156 views

Slicing directly from non-mesh data?

This is a bit of a weird question, and I imagine the answer might simply be "no." But here goes anyway: I'm writing some code that generates shapes for 3D printing via "implicit surfaces," i.e. a ...
3
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1answer
253 views

Object's height not a multiple of layer height

This basic question has been bothering me for a while. Let's say I'm printing an object of height 20.1 mm with 0.2 mm layers. What will the slicer do? in other words, how will it print the last layer?...
6
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1answer
123 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 ...
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2answers
469 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 ...
4
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1answer
519 views

How is E value calculated in Slic3r?

I want to know the math behind how Slic3r calculates E values. $E_{value}$ represents amount of filament in mm (unless volumetric extrusion is selected) that has to be fed into the hotend to obtain a ...
2
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1answer
44 views

Minimum material deposit threshold in slic3r

I've been using Slic3r for a while now, and for the most part am happy with the results it produces. I mostly use the standard profiles provided by Prusa for my i3 mk3. However, when watching the 3D ...
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2answers
523 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. ...
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1answer
284 views

Good profile for slicing ABS in Slic3r?

Does anyone know of a good slicer profile (i.e., an .ini file.) for Slic3r for printing ABS for a Prusa i3 MK3S printer?
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2answers
146 views

Which software do I need to start print something?

I'm still new to 3D printing and I want to print something. I expect that I'll mess it up since I find nothing to adjust it but it is now laying around for 4 months and I'm sick of it. So my question ...
5
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1answer
188 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 ...
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33 views

Slic3r - how to combine specific perl code with Slic3r SupportMaterial.pm? [closed]

I've got a specific perl support tree script that I would like to integrate into Slic3r. Does anyone know how to do that?