Questions tagged [3d-models]

Use this tag for questions about 3D models.

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2
votes
1answer
98 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
votes
3answers
81 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
votes
1answer
30 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
votes
0answers
48 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
votes
1answer
61 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
votes
0answers
36 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
votes
1answer
49 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
votes
1answer
53 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
votes
1answer
40 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
votes
1answer
28 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
votes
4answers
302 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
60 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
0answers
45 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 ...
5
votes
3answers
757 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
votes
3answers
136 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
130 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
votes
1answer
89 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. ...
0
votes
0answers
33 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
vote
1answer
29 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 ...
4
votes
3answers
113 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
113 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
94 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 ...
0
votes
0answers
27 views

How and in which slicer can I make different fill densities for different parts of the same figure? [duplicate]

How and in which slicer can I make different fill densities for different parts of the same figure?
5
votes
2answers
1k 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
vote
0answers
33 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 ...
14
votes
4answers
4k 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
votes
2answers
439 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 ...
4
votes
1answer
50 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
votes
2answers
870 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
votes
2answers
156 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, ...
5
votes
2answers
830 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?
2
votes
1answer
69 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
70 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
votes
3answers
128 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
votes
0answers
75 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
168 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
78 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
195 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
138 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
55 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
300 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
vote
0answers
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?
1
vote
1answer
82 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
vote
0answers
53 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
2
votes
2answers
152 views

How to design gears

I want to create a micromouse project for fun that use 2 20 mm x 8.5 mm (0.8 mm shaft) motors. I have my own PCB as base. I want its built-in gears will be attached to two 3D-...
0
votes
1answer
96 views

Font suitable for 3D printing [closed]

I am looking for a font, which is connected and has a good line width (so that it can be 3D printed). Something like in the image below: Something like in the image above would be great, but I don't ...
1
vote
2answers
74 views

How to build a CT scan into a printable 3D model?

I have a set of 2D pictures from a CT scan. How can I convert them into a 3D model for 3D printing? An example looks like this:
3
votes
1answer
165 views

How can I decrease the thickness of a wall in an STL file?

There seem to be a lot of search results answering the question of how to increase wall thickness, but how can I decrease wall thickness? I have an STL model of a mechanical keyboard key where the ...
4
votes
1answer
70 views

I want to print an image of a network in 3D — what's the best way to convert it?

Suppose I have an image like this below that I want to print in 3D. What would be the best format to convert it in?
3
votes
3answers
110 views

How can I get a 3D model from a bunch of 2D photos?

I am a physics graduate student and I want to create some 3D models for my crystal samples. We have an X-ray diffractometer in our lab. It comes with a goniometer inside it, so basically I can take as ...