Questions tagged [3d-models]

Use this tag for questions about 3D models.

Filter by
Sorted by
Tagged with
16
votes
4answers
37k views

Tool to measure in STL files

I want to create parts for a 3D printer using OpenSCAD. Having some STL files from the vendor, but nothing else (no technical drawing, no CAD files). Does anybody knows a free tool, that allows me to ...
8
votes
3answers
3k views

Are self intersecting meshes dirty from a 3D printing perspective?

I have never much cared about self intersecting meshes when slicing with Cura. Geometry like the one below are often practical. I for instance add lots of rivets that self intersect with the base ...
4
votes
1answer
198 views

photogrammetry with partially translucent objects

I've captured a stationary spinning object in a computer game. It's semi translucent and there are stationary objects behind it. As I expected it did not convert using Autodesk's remake. It gives no ...
5
votes
2answers
501 views

Mesh/Geometry quality

tried searching but couldn't find anything. I do not have a 3d printer so can't really experiment on my own, which means that when I am going to order a 3d print I want to get it as good as possible. ...
1
vote
1answer
363 views

Can the da Vinci Jr 1.0 print in 100 microns, if so how?

I was wondering if the da Vinci Jr. 1.0 can print in 100 μm layer height. If so, how could I do this?
2
votes
1answer
72 views

Photogrammetry using pure rotation?

I have a set of 42 images made as a rotation around the object and it is failing to generate a model in Visual SFM. From what I can gather, the problem is that just doing a rotation is insufficient. ...
4
votes
1answer
192 views

Does XYZPrinting software allow the creation of rafts when printing?

Ironing out all my worries before buying my first 3D printer. I'm looking at getting the da Vinci miniMaker 3D printer as my first 3D printer, but it doesn't come with a heated bed. On my previous ...
5
votes
2answers
149 views

Resources/methods to construct STL files using disparate parts using OpenSCAD

What resources or methods would OpenSCAD users suggest to piece together disparate STL files? I'd like to take an existing STL model-library of STL parts (head, torso, arms, legs) and make it a ...
5
votes
2answers
6k views

M4 screw and nut for 3D printing?

Does anyone know where I can get a free 3D design (STEP or STL) of an M4 Screw and nut? I have found only an M3 on Thingiverse: M3 Bolt by Kaleta.
3
votes
2answers
243 views

How to build this part using 3d printing

I am completely new to 3D printing. I need to build a calibration plate, which I was told can be built using vero back plastic and a 3d printer. But I am afraid I need to know more if I give this to ...
5
votes
2answers
240 views

How can I learn to create models for 3D printing? [duplicate]

I've recently bought a 3D printer and waiting for it to be delivered I've given quite a lot of time to looking things up on Thingiverse. I see people create incredible models with gears, screws, lids ...
2
votes
3answers
3k views

How can I convert .STL file to .OFF to use in CGAL?

I want to skeletize the surface mesh. For that I need to export .STL from Solidworks and then convert that into .OFF file to be able to use it in CGAL library for skeletonzation. How can I do this?
3
votes
2answers
304 views

Printing a non-self-aligning caged deep-groove ball bearing

I've recently designed a non-self-aligning caged deep-groove ball bearing. Now I'd love to get one 3D printed. However, assembling those can be tricky and I highly doubt it's even plausible to print ...
5
votes
2answers
2k views

stl files -measuring stl files

I had a problem with my Z limit switch bracket falling just short of the bottom edge of the z stage. I'm trying to make the bracket thicker so it's pushed more towards the left. 1) how do I ...
7
votes
3answers
525 views

Simulation tool software for 4D Printing

In 4D printing technology or by means usage of Shape-memory alloy (non-metal, iron based, copper based or NiTi material) for 3D printing. Is there any software simulation tool which I can use to ...
8
votes
1answer
275 views

Take a detailed model and make it suitable for 3D printing?

I have a model I would like to print, specifically it is a free-for-personal-use model of a car, complete with interior. I would like to print it, but it is unprintable. I have tried to fix it in ...
4
votes
1answer
2k views

Which is the best 3D printer to print bodies scanned?

I want to print people's bodies scanned (or get 'minimes', see the Figure 1). And I watched that the printer 'project 660' is very good to do this (Figure 1). But, the price of that printer is really ...
1
vote
1answer
617 views

How to split a model in SketchUp for printing

I have a file I want to print, but the problem is that the dimensions that came with the model are just too big to print. I used the Tape Measure Tool on SketchUp, and it came in at a whooping 5.56 ...
5
votes
5answers
5k views

Conversion of DICOM files to STL files

Good morning everyone, I am developing a consulting job in a clinic of dental CT scans. This work involves the development of administrative software, and preparing a routine for conversion of ...
2
votes
2answers
274 views

tips for pinching down onto an object

I was wondering if anyone could give me tips for designing a 3d printable structure that can "pinch" down onto a hockey puck shaped piece and hold it tightly. I'd like for the structure to normally ...
3
votes
1answer
406 views

TPU filament usage for dental application?

Can the flexible TPU filament be used in the case of printing a dental fixture? Filament - SainSmart 1.75mm 1kg/2.2lb Flexible (TPU) Series Filament for 3D Printers RepRap.
2
votes
0answers
125 views

Will this printer be good enough to make prototyping models? [closed]

I'm new to the 3D printing world, but I've been doing some research over the past couple weeks. I need a printer that is decent enough to make prototypes using simple 3D software (I use Blender for ...
2
votes
1answer
121 views

What is needed to create dwg from drawing?

Does anyone know of an accurate method for building a dwg file from a scan of a scaled drawing or plan. The dwg files will also be referenced for or made into 3d models so pulling the information ...
4
votes
1answer
538 views

Materials testing of 3D printed parts

What parameters are needed when preparing to model a 3D printed part in (ANSYS or Abaqus)? Are there specific tests? Update We have been using FDM printing, with PLA. Our parts are for a quadcopter ...
6
votes
2answers
239 views

What should I think about if I want to design something modular?

For a while now, I have been thinking about designing things such as small bedside tables, game/dvd/bluray racks for 3d printing. I've always thought that making them modular would be a good way to go ...
5
votes
1answer
193 views

RetinaCreate Optimal Rotation

I'm currently using FSL3d's RetinaCreate to prepare 3d-files for printing for research purposes. In this, I am relying on their Optimal Rotation feature which rotates the object by, as far as I can ...
7
votes
1answer
5k views

Using Kinect 360 as 3D Scanner

I would like to use my old Xbox 360 Kinect as a scanner for 3D modeling and (hopefully) printing a few busts of friends/family members; however, my efforts have failed in each direction that I have ...
4
votes
6answers
985 views

Printing an iPhone Case

I am trying to 3D print an iPhone case, however, I want it to print standing up. Is this possible to do? I have a picture of the case in the link below.
5
votes
2answers
5k views

How can I export a Materialise Magics Project as a STL file?

I created a new project in Materialise Magics, added a few parts (different STLs), moved them around in certain positions and now I want to export this project into another STL, containing my recent ...
11
votes
3answers
1k views

Can toothbrush bristles be printed?

Is it possible to print toothbrush bristles using a common FDM 3D printer? I am particularly interested in the width of bristles, closeness together of each bristle, and the flexibility of each ...
8
votes
6answers
21k views

What is the easiest way to modify/resize an object inside a STL file?

I have this GoPro mount for a quadcopter as STL file. It looks as follows. How do I modify it so that it is wider and longer by a few millimeters but the screw holes stay the exact same size? ...
10
votes
2answers
2k views

How to 3D Print 5-pointed star object that doesn't have flat bottom and hole in the middle?

I'm new to 3D Printing. I've created this star from Blender3d. As far as I know, most printers require a flat bottom. As you can see (blue line is Z-axis, red line is X-axis, green line Y-axis), the ...
11
votes
2answers
477 views

3D printing with blender

I have an object that I want to print in 3D. But I have a few questions about it. What are the things that I have to watch out for when 3D printing? I know how to change the metric size etc. Some ...
4
votes
1answer
3k views

Slicer that exports vectors or pics for every slice

For a large scale project, I need a slicer which gives me the slices as image (BMP or vector). I have a 3d model and want to assemble it manually using large printouts on cardboard. For this I need ...
11
votes
3answers
12k views

Grease for PLA sprocket

I am attempting to construct model tank tracks with accompanying wheels and sprockets. All parts will be printed in PLA. The tracks will be driven by electric motors. What would be a suitable grease ...
4
votes
1answer
294 views

Is inconsistent vertex density a bad thing?

Will an inconsistent vertex density likely introduce artifacts in a print? Or is it OK as long as it's a smooth surface?
2
votes
1answer
2k views

Do 3D Printers Prefer Particular Topology?

Do 3D printers prefer particular topology? In case I'm not using the word quite right, I'm specifically wondering if I should make the faces in my models: triangles quads n-gons..
6
votes
4answers
444 views

Is this model feasible to print?

I have a 3D model that I'd like to print. This is my first project, so I'm trying to decide if I'm getting in over my head. Here's the model rendered with Blender: If I throw it at a commercial ...
3
votes
1answer
122 views

How to enlarge a Sketchup Model

I have moved forward with the whole .max thing. Its on the back burner. But not as critical now. I have found a sketchup model of the model I want. But it is ridiculously small (0.17 m long by 0.10 m ...
7
votes
1answer
161 views

Are there any services that offer 3D scanning?

So, have a plastic car part I want to duplicate because the driver side part is broken (I have the passenger side part) and It isn't sold anymore. It's a small piece that would be an excellent ...
3
votes
1answer
2k views

How to open .max files

I'm new to this forum. I need help opening a .max file a friend sent me. The thing is, I dont have Alias Maya. Well, Alias Maya that works anyway. Is there any other file openers that I can use? Or ...
1
vote
1answer
96 views

Alternative 3d molding techniques at home [closed]

i have seen formbox http://golem13.fr/formbox/ and it uses heat and many materials like PVC. Is there any way to do this with paper or paper derivatives(like egg carton)? If the answer is yes, how can ...
5
votes
1answer
152 views

What does a "3 h5" mean in reference to the axle of a motor?

Sorry if this isn't the right place to ask, but it seemed like the most relevant stackexchange. I want to print a connection from a motor to an omniwheel, the axle of the wheel is listed as 8mm, but ...
7
votes
1answer
317 views

3D printer calibration test STLs?

Is there any well-known test set of 3D models that I can print out which will clearly show up the problems I need to work out in calibrating my 3D printer? Ideally, it would be either one or multiple ...
5
votes
3answers
443 views

Functional object in low poly - program and tutorial

I'm losing my mind, it all started out with the idea of a project where I want an abstract shape (I'm going to call it a stretched cube with an angle), now I know a bit of Vectorworks - a 3D/...
3
votes
2answers
1k views

How to create a very accurate STL file as well as the slices for a 3D printer?

I have been using Solidworks and AutoCAD to create STL file of a 3D model I want to print. I slice the STL file using Freesteel Z level slicer (http://www.freesteel.co.uk/wpblog/slicer/) and save the ...
4
votes
2answers
220 views

Strength of 3D printed Objects

I am new to 3D printing and need to know if I use steel in printing, do I get the same strength (compression and shear) as steel profiles manufactured in a factory?
7
votes
4answers
470 views

Is 3D printing a good way to save money?

If you already have a 3D printer, would you say that you have saved money on buying the printer, buying models and then printing the models, compared to buying something alike in retail? Would you ...
6
votes
3answers
7k views

Point Cloud to STL File

I had a friend request that I print out the Bathymetry of Lake Michigan as a gift for her PhD adviser. I went to NOAA and the site had a few files for the Bathymetry of Lake Michigan. Files and types ...
6
votes
3answers
575 views

Is 3D printing feasible for a coaxial rotational joint?

In a design that I need to prototype, I have a coaxial, rotational joint between 2 cylinders connected to another coaxial rotational joint between 2 cylinders by a hinge. I have attached the ...