Questions tagged [3d-models]

Use this tag for questions about 3D models.

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1answer
97 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 ...
0
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2answers
111 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
59 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 ...
1
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1answer
117 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 ...
0
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1answer
72 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
122 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 ...
4
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3answers
538 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
323 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 ...
3
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0answers
98 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
349 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 ...
2
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0answers
808 views

CR10S Pro Pausing the print at a certain layer height

Im printing on a CR10S Pro and I can't find a way to pause the print at a certain height, to insert magnets into my print. Is there a way I can do this?
4
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1answer
1k views

Efficient way to create a "mold" of a solid object in Meshmixer?

Currently I have a model of a fingertip finished in my project, however, I would like to create some sort of "cap" that if printed would fit on top of that finger. Is there a good way to achieve this ...
3
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1answer
66 views

Convert ball-stick model to STL from the command line

I regularly have 3D models that consist of a Boolean union of balls and cylinders (molecule models, star maps, mathematical designs), that I then want to convert to a STL model for printing at ...
4
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1answer
333 views

Delete only invisible parts of faces

I have an STL made out of triangular faces that intersect themselves to create very complicated patterns. It also has a very messy internal structure. I'd like to remove the parts of the faces that ...
2
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1answer
150 views

How to make symmetric Low-Poly objects in meshmixer?

I've made low-poly objects using Reduce function in Meshmixer. My objects are symmetric and I want to keep the symmetry in the low-poly because it's more beautiful, But the software doesn't necessary ...
4
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4answers
8k views

Combining multiple STL files

I have a collection of STL files, each containing a separate moving part of an object I want to print. (Imagine a set of gears, or similar, that prints as a single object with multiple moving parts.) ...
2
votes
1answer
164 views

How to extract 3D information from a 3D model for calibration?

I made two "OBJ" 3D models of myself using Sense 2 scanner and using photogrammetry with Meshroom. I would like to extract some information about myself to be able to scale the model properly and to ...
2
votes
1answer
106 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 ...
3
votes
3answers
487 views

Is it possible extrude faces along normals individually in OpenSCAD?

For the geometry I am making, I want to extrude each face individually along its normal. This is a standard procedure in 3D modeling software like Blender; see Example 3 here. Is this possible in ...
8
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4answers
12k views

Export STL as ASCII or binary?

When go to export a model using Fusion 360 or Meshmixer, I see that there are two options. Could the final model be affected by the format chosen at the time of saving?
0
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3answers
157 views

Can I order a 3D print of a 1 ml transparent container?

I'm trying to make a water insulated 1 cm3 (1 ml) transparent container and I bought some plexiglass, I cut and glued some pieces together but it looks really crappy and barely holds the ...
3
votes
2answers
376 views

Does acid dissolve PETG 3D prints?

I want to print a lemon squeezer and I would prefer to use PET-G. I don't know if it is safe to use, because lemons contain lots of citric acid. Does it dissolve PETG? I haven't found an answer ...
2
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1answer
2k views

Why do my prints have such a rough surface? (Taz Lulzbot Pro)

Model: Taz Lulzbot Pro Things we tried to get it to work: Tried both ABS and PLA Hatchbox brand Uploaded new set of settings from another printer of the same brand that works using the hatchbox. ...
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0answers
37 views

3D printed object can't print straight upward [duplicate]

I have a weird problem, my object base starts good and then as the object goes to the next layers it is off centered. I have a picture to better explain.
1
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1answer
606 views

Getting started with converted STL to DXF [closed]

I converted the STL file through an online converter https://www.cadforum.cz/catalog_en/stl2dwg.asp (I work in the program autocad 2017) Now I open the resulting DXF and I don’t know how to work with ...
5
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3answers
757 views

Creating "pie slice" in OpenSCAD?

When making a cylinder, sometimes I need to only take a pie slice. I'm currently using this neat trick to make pie slices for angles under 90 degrees. However, I have need of a few angles over 90 but ...
3
votes
1answer
381 views

PET-G under-extrusion after changing the nozzle to a 1.2 mm d. one (Prusa i3 mk3s and PrusaSlicer v2.0)

PET-G is the main filament I use. I can achieve high quality of my prints with my Prusa i3 mk3s printer. Recently however, I've recently changed my nozzle from the default 0.4mm to the 1.2mm. I ...
4
votes
2answers
224 views

Printing non-commercial model to make money

If a customer sends me a non-commercial 3D model to print, am I allowed to charge money for the 3D printing process? I understand I cannot charge anything for the model nor offer it as a part of my ...
5
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2answers
9k views

Is there a way to print with ABS without enclosure?

ABS is a very strong material, but it also has some downsides. One of them, which is the necessity of having a printer with enclosure, completely discouraged me from using it, as it would be a waste ...
1
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0answers
103 views

Importing Surface Colours along with .obj files in Fusion 360

I am currently involved in drone mapping and photogrammetry. I have taken some aerial images of a site from a drone, and have created a 3D map using DroneDeploy. I exported the 3D model from ...
15
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4answers
7k views

Do 3D printers really reach 50 micron (0.05 mm) accuracy?

I've always been wondering about the actual accuracy of 3D printing devices. When looking for the perfect machine to buy, I looked at the speed, price, filaments supported etc, but also accuracy. I ...
4
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2answers
2k views

Prusa i3 MK3S 3D printer PETG printing problems

I am using a new Prusa i3 MK3S 3D printer kit. I print lots of things using PLA and PETG. After a week of great performance I noticed that when printing some objects with PETG filament I often ...
2
votes
3answers
404 views

How precise do models need to be for 3D printing?

I'm not talking about making something that's outright disproportionate of course. I've been working in Blender and I've use Absolute grid Snap to snap my vertices to the grid. The problem is that it (...
4
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1answer
76 views

Rule of thumb for small type

Is there a good rule of thumb for small type on 3d printed pieces? Minimum type size? Good typeface for accurate reproduction?
6
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2answers
4k views

Why is the printed object smaller than original model?

I am printing a small cylinder, but when the object is finished, it's smaller than the measures I used when create the model. I used thincerkad to make a simple model, the measures are: width: 90 mm ...
0
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2answers
863 views

Which 3D filament is 100% (or close to being so) food safe and non toxic? [duplicate]

I've recently bought myself a preassembled Prusa i3 MK3S printed and made my first projects. One of them was making a cup with my name on it. I want to use it to drink tea, water etc. I know, however, ...
6
votes
2answers
4k views

Should I include fillets on my 3d printed parts?

A fillet is like a rounded corner but on the inside of the corner. Does it make a difference (structurally) to use fillets on a 3d printed part?
3
votes
2answers
171 views

How do I concave an image to create a 3D file for use in a 3D printer?

How can I print an embossed image in a concaved shape? Like a big saucer. I will use this an a mold for a project. So far I've found lots of software with huge spread of features. It's sort of ...
1
vote
1answer
86 views

3D printer and design software for creating propellers for a toy airplane/drone [closed]

I would like to begin designing and 3D printing propellers for both a toy airplane and drone that I own. I want to do this for experimental purposes. I have never used a 3D printer nor have I used ...
4
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3answers
1k views

Set the overhang parameter in Blender 3D printing tool box

I'm working on a cube in Blender. I just deleted one of the faces (the top face) of the cube and added solidify to avoid non manifold edges. In this case, when I check the design it shows that the ...
2
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0answers
190 views

3D Printing bevel gears [closed]

This is not entirely a 3D printing question, but closely related since I want to print parts for a prototype. The problem : I need to create a mechanism with 2 parallel shafts, at some distance apart,...
0
votes
1answer
324 views

How to effectively eliminate stringing in 3D print

I'm having this stringing problem that happens when the machine moves and when it's not supposed to print that I still haven't effectively solved. I will try exemplify with the following image. We ...
2
votes
2answers
131 views

Can a model change size when using a different filament type?

I printed a case for my phone, a Motorola G4 Plus. I found the model of the casing on Thingiverse I just downloaded the model, used Meshmixer to check for issues, after that, opened Simplify3d and ...
4
votes
2answers
271 views

Is it possible to know which is the correct temperature range and speed for any model?

Trying to print a 3D model for my mobile phone, but I see that when printing the sides, being thin, increases the retraction and the recoil seems a little abrupt and makes a coarse sound. I would ...
5
votes
2answers
165 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 ...
1
vote
1answer
72 views

Print initial layer only on outside of print

I am using Ultimaker Cura to print what are essentially cookie cutters - a thin wall that is a silhouette of the shape. I would like to have a broader surface for the top. In Ultimaker Cura, I set it ...
4
votes
2answers
906 views

What is the correct process to make a correct resin casting for jewelry?

I have a 3D printer and I have printed some models with castable resin. When I burn one of these models in the oven and then do the metal casting, the surface of the metal piece is not smooth. I did ...
1
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0answers
35 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?
1
vote
1answer
286 views

how to split a 40" model into 5 parts to print seperate

I currently have a model in fusion 360 of cylinders with the largest being 40" diameter in a specific pattern as seen below. My printer is a Ender-3x with the build plate dimensions of 8.7" x 8.7" x 9....
1
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0answers
56 views

My 3D prints don't end up the same as the model [closed]

I'm trying to print a very simple item that I created in blender: However, the print always ends up being a simple "plane" with some scribbely stuff on top