Questions tagged [3d-models]

Use this tag for questions about 3D models.

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1answer
34 views

Determine screw size needed from 3MF file(s)

I have a set of 3MF files to enclose a MacroPad. They have openings for screws that go through top then PCB then into bottom, but I've been unable to figure out the dimensions of the screws needed and ...
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1answer
31 views

Does it matter where I place my models on my Resin printer build plate?

I have a resin 3D printer, so I can print multiple models of a similar size without the overall build time increasing very much. So long as I stay within a set height range. Presuming that my build ...
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0answers
31 views

How can I fill in the gap in this model without this tessellation/deformation occurring?

To start off my apologies if this question seems somewhat unclear. For context I am attaching the images of the model and the modified version in TinkerCAD. My issue is that I cannot fill in the gap ...
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1answer
65 views

How to print Lego bricks?

How can I print Lego bricks in order to make them attach? I need them to be standalone pieces. I use resin to print. My model is Elegoo Mars 3. What resolution should I use? Also, how should I color ...
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2answers
57 views

Converting a 2D black and white image to a 3D model for printing on Linux

Windows has its 3D Builder software which upon importing an image, converts it to a heightmap of the image, aka turning it to a 3D model that can be saved as an stl. Does Linux have software with ...
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0answers
18 views

How do you adjust for elevation and layers not sticking together?

My printer was working fine two weeks ago, I traveled cross country with it (making sure it was secure while moving) to a place of significantly lower elevation. Nothing has printed well since I got ...
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2answers
45 views

Laptop keycaps for Asus UX31A

I broke 2 keys (i.e. left ctrl, enter) on my Asus UX31A laptop and it seems that this model is too old to find replacement keys. Is there any way I can find a 3D model of the needed keys to have them ...
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1answer
60 views

I am getting bubbles and a bulge at the bottom layer of my 3D print

I am printing ABS on an Ender 3 printer at a temperature of 240 °C on the nozzle and 110 °C on the bed. I am getting the following result: Is there any way I can fix this?
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2answers
112 views

Fill hollow part of body in the 3D model

Sorry, I'm new in 3D printing and modeling and I need help. I bought a 3D model with a hollow part of the body that doesn't print on my printer normally (with very high resolution (layer is 0.12 mm, ...
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2answers
134 views

Creating a 3D modelled “mold over” an imported object

Let's say I've made a 3D scan of my face and managed to get that into FreeCAD. How might I then create an object (it's a mask, okay?) that conforms to the shape of my face, with a given thickness, ...
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4answers
68 views

Manual Color Changing

Ive been experimenting will multiple color filament but the colors a more or less blended. Is there are filament that goes from one color directly to another without having transition color ex. red to ...
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1answer
108 views

OpenSCAD render (F6) fails with “ERROR: CGAL error in CGAL_Nef_polyhedron3()”

I built a model and it previewed correctly. When rendering for STL export (F6), I got an assertion error: ERROR: CGAL error in CGAL_Nef_polyhedron3(): CGAL ERROR: assertion violation! Expr: e->...
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2answers
55 views

Can 3D printer models be used in video game engines and vs versa?

If someone creates a 3D model of a character for 3D printing can I import that model into Unreal engine or Unity 3D for use in a video game? Also is the inverse true? Can I get 3D model of Mario and ...
3
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1answer
367 views

File too big to open in Tinkercad. How can I shrink it?

I need to shrink an STL file below the 25 MB threshold, so I can open it in TinkerCad. I don't care about quality, I just need it shrunk. How can I do this?
2
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1answer
56 views

Wrong calculation of E-parameter values

Hello dear Community, I am trying to print my first Box and I have a problem with the skin of the bottom layers. After finishing the slicing and while looking into the generated G-code I was wondering ...
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1answer
33 views

Considerations for placing STL on build plate

Being new to 3D printing, I have started printing different files from Thingiverse to better my experience. I have noticed on some YouTube videos that certain items/models/STLs should be oriented a ...
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2answers
71 views

How to fill these squares easily

I have an array with holes that I have to fill with different materials. My question is there is an easy way to fill them directly? I tried array, array draft and it is annoying to adjust them. In ...
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0answers
20 views

What exactly are the advantages of a multi-composite printer for a space company?

I found information about such a printer, Aerospace Additive Manufacturing, and the description says: Our Skyprint 1 additive machine allows to print multi-composite parts simultaneously from several ...
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0answers
47 views

How to create free shapes in tinkercad?

I bought a 3D-printer (I love it!!) and now I'm creating 3D-designs with Tinkercad. I'm (obviously) a beginner and I'm now trying to create the bow of a little boat for which I have a specific shape ...
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1answer
70 views

3D model with errors when exporting to Cura

I 3D modeled a cartoon car using Blender, mostly using add and subtract with boolean tools. When I export to Ultimaker Cura, I get these cuts along the model. Does anyone know why this is happening? ...
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2answers
74 views

Can I sell a handpainted large scale 3D model of a copyrighted 2D concept art?

The art in question is https://www.instagram.com/p/CIfsO2ZD7Rj/ . I Think the concept artist, Jean Giraud, is dead.
2
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1answer
64 views

What's the best way to connect pieces of a large print after printing?

I have a number of fairly large printed pieces. The parts, when assembled, form a very large sword. (The model is this: https://www.thingiverse.com/thing:4178060, and is not mine.) It is about 7' ...
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1answer
112 views

How to edit STL model files

The slicer included with my printers (ChituBox) has no STL editing capabilities. How to edit STL models?
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1answer
71 views

How to print spiral(spring) static?

I have designed this model: My goal is to make it static, no vulnarable to shakes. The pitch is 40 mm with 4 revolutions. The dimensions of the 'wire' are 5x5 mm. Which settings for printing should I ...
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2answers
508 views

How to fix WoW models in photon workshop

I am using an AnyCubic Photon Resin Printer. I have used the (WoW model viewer to export a miniture that I am hoping to 3D print. However, when I look at the model in photon workshop, certain parts ...
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2answers
236 views

When 3D printing a hollow box, what is the best course of action?

If I need to 3D print a hollow box that can not have any light permeating into the box, what would be the best course of action? Should I 3D print the hollow box as a whole or print out the 6 sides ...
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2answers
570 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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2answers
72 views

Vertical vs Horizontal shapes printing

first time here. I recently bought an Anycubic Mega S and I'm venturing in the 3D world. Lots to learn for sure. I have printed a few items so far and all went pretty well. My question is about ...
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2answers
172 views

Is there a more efficient methods of removing support in a model?

Is there a way of reducing the amount and strength of Model support when slicing in Cura? Cleaning a model with large amounts of support can consume large amounts of time.
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1answer
52 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 ...
2
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1answer
65 views

Looking for CAD files of basic crystal structures

I'm looking for basic models of crystal chemical structures. The most basic example would be a cube, it gets harder though as I next need polyhedrons with one of three angles < 90°, then two, etc. ...
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1answer
30 views

Eliminating unwanted internal surfaces

One of the biggest challenges with 3D-drawings is internal surfaces unintentionally formed that cause slicing not to work properly. This is using SketchUp Pro, slicing with Slic3r, and printing with a ...
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1answer
448 views

How to create a support structure in tinkercad?

I've created a case for my Raspberry Pi in Tinkercad and would like to 3d print it. However, I don't know how to create supports! I tried looking it up, but I got a model that I don't know how to ...
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2answers
293 views

How do I compress 3D files

I'm trying to compress different 3D files, but find it difficult to find the right software to compress the file. What are the most suitable 3D file compressors to compress 3D files like STL, OBJ and ...
3
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1answer
47 views

Face where there should be no face

When importing this .stl file in Creality Slicer another face appears in the middle when viewed in layered view. This face is not visible in my 3d modeling software Blender. I tried cleaning up the ...
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2answers
1k views

My 3D model is printing with missing parts when sliced in Ultimaker Cura

I have been working hard the last year on the model below. I am new to everything 3D that is modeling and especially 3D printing. I have however successfully concluded quite a good number of 3D prints ...
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1answer
956 views

Prusa MK3S 0.8 mm nozzle layers separating

I am currently printing a simple cup out of PLA (I will later anneal it). My nozzle is 0.8 mm and I'm using a 0.4 mm layer height. Unfortunately, the layers keep separating. They don't ...
2
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1answer
98 views

How can I include seperate Slicing Parameters in my 3mf file

I am trying to write a program that edits a 3mf file by defines different slicing parameters for different stls that I have previously merged into my 3mf file, but I am a little bit confused about the ...
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1answer
132 views

Sketchup designed “Block with hole” printed solid in Cura

When I export my SketchUp STL model to Cura it looks good in solid mode but in the layers mode some holes are filled up. To find the reason why, I broke down the original model by deleting the parts ...
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0answers
69 views

Prusa MK3S Nylon&ABS print failures

I'm using Prusa i3 MK3S and every time I want to create a durable, impact resistant part, I use ABS/Nylon. The problem is, however, that when I print something small (of less than 1 cm width for ...
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1answer
92 views

Pile up objects and attach them for mass 3D printing

I'm completely new to 3D-printing. Because of Covid-19, my dad got a Dagoma Magis 3D printer and we are printing protective visors for hospital workers here in France. We have been given a 3D model ...
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2answers
106 views

Can model used for 3D printing be later used for mold mass production?

I am working on a project that requires an enclosure that I am thinking to prototype using a 3D printer (which is pretty easy and overall awesome). My question is simply whether this same model can ...
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2answers
55 views

Is there a spiral lid mechanism

I want to put a spiral lid on top of a container. When the lid opens, then the spiral mechanism will rotate into the container. Is there a name for this mechanism? If not, would something like this be ...
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1answer
113 views

Can this part be 3D printed?

I have an old air conditioner and most of the vent flaps/louvres are missing. I've modelled it in Solidworks, but can it be printed? Are the tips too small for 3D printers? It's about 14 cm long ...
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1answer
71 views

Meshlab creates weird bubbles when using poisson surface reconstruction

my task is to create a watertight surface out of a point-cloud (It's the model of a dam). For this I'm using MeshLab. First thing I did was importing the .ply-file into Meshlab and normalize it. ...
2
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1answer
118 views

3d scan matting spray

I want to scan a few ceramic items that are shiny and have multiple colors and found that using an artec 3d Spider that doesn't really work due to the shininess and thus want to use a matting spray or ...
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3answers
485 views

Very low strength of HIPS prints - Why?

I'm using a Prusa i3 MK3S printer. After ~8 months of printing PLA, PET-G, ABS I decided to buy some HIPS and print something with it. I cannot print >1 filaments at once, so I'm not using it as a ...
2
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1answer
261 views

Does having more curvier corners help warping more then smaller curves

I was experimenting with building an enclosure using fusion 360. I was wondering if a part with rounded corners of a larger radius would warp less than smaller ones? Also, any recommendation on ...
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0answers
87 views

Print copy of real life object, starting with .mpo file or files

I want to make a 3D printed copy of a real object. I have access to a Nintendo 3DS which is capable of making 3D .mpo files. Is there a straight-forward method to convert these into a 3D printable ...
3
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1answer
304 views

Cura 4.4 missing object parts

I have this image in STL But it seems cura skipped the lower panel entirely when slicing the STL. The base is thick, as you can see here, but it is still missing in Preview, and Cura seems to ...

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