Questions tagged [3d-design]

3D design (or modelling) is the process of creating a three dimensional digital representation of some object that, for instance, can be 3D printed.

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1answer
204 views

How do I decide what size my push-fit feature should be?

I'm designing a box and lid that will be FDM-printed. The lid push-fits onto the box. What kinds of gaps/tolerances should I use when designing pieces that fit together? has advice for designing the ...
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2answers
152 views

Bicycle air pump project

Is a home 3D printer capable of printing a good bicycle air pump? I've searched the Internet and there is very limited info on it. Things need to be rigid and very minutious in the valve part of the ...
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1answer
834 views

How to join pieces automatically using interlocking or similar?

I have a piece, which I need to cut into two different pieces, see image 1. Image 1 Then I need to make interlocking joints or similar, see image 2. Image 2 How can I do that automatically, using ...
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2answers
5k views

Print circle arcs without supports

I'm still putting aside money for buying my first 3D printer and I'm designing all the things I have to print. As I have a lot of things to print I would like to print as much of them as possible ...
3
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2answers
302 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 ...
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2answers
169 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 ...
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2answers
189 views

Where is the line between "inspiration" and copy and derivative?

Scenario: I'm cruising Thingiverse, and I find the awesomest thing. I NEED THIS IN MY LIFE. I download it, print it, and for whatever reason, it doesn't work quite right. OK, no big deal, I'll ...
3
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1answer
134 views

Converting Injection Molded STLs to printable STLs [closed]

I bought a 3D printer kit a few years ago, and it's been working pretty well, the kit was made with injection molded parts. -- It's similar to a Huxley, and through the years, it's started to turn ...
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0answers
91 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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2answers
218 views

Snap-in clamp geometry

I apologize if this is in the wrong section, but it seems relevant. I am an absolute noob at 3D printing, but recently my need for a specific, small part intersected with access to a 3D printer at ...
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1answer
3k views

Snapping to Ground - 123D Design

It's my first encounter with 123D Design, and first time playing around STL/3D printing in general. I can't find much information about the grid. But I noticed, while trying to move it, you can ...
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2answers
169 views

How does this multiple-curve-beam flexural pivot work?

I found this in Handbook of Compliant Mechanisms (2013), page 162, or at the start of "Chapter 11, Elements of Mechanisms," subsection 11.1.2 Revolute I don't understand how it's supposed to ...
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4answers
309 views

Cura messes up my print. How can I make it print what I see in Blender?

I'm using Cura and it removes my holes and deletes sections of the print and disconnects parts. In Blender it looks as it should be, as I designed it. I know there are a few mishaps inside (not ...
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2answers
126 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 ...
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3answers
222 views

Interesting project for a child [closed]

A member of our hackspace wants to get their 8- and 11- year old kids1 excited about 3D-printing and CNC cutting and makering in general. We have a weekly open training where people can design and ...
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1answer
91 views

My 3D printer shows inbuilt designs, but my designs are invisible

My designs are invisible on 3D printer LCD screen, i.e. the name of my design is showing up, but the part is missing and if I slice it with the software given by the 3D-printer company it works, but ...
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2answers
134 views

Improving print speed by adding holes

Let's say, I want to print a box for putting game tokens in. It is an empty cube, but the top layer is missing. I do not need full walls. It could have holes in it resulting in a mesh structured wall, ...
2
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2answers
246 views

OpenSCAD not rendering polyhedron

I'm trying to subtract a polyhedron from a cube, but it is not working (the cube remains solid). However, I can see the cut-out poly in preview mode (but not after a full render). Preview -- poly ...
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3answers
2k views

What is the simplest way to render an image of an obj exported from Tinkercad?

I like Tinkercad so far for it's very simple UI. (I'm new to 3D modeling and very confused by Blender and the like.) However, I'm not using it to do 3D printing just yet. For I'd like to be able to be ...
2
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3answers
176 views

How to accurately print a thin piece with a hole pattern

I'm quite new to 3D-printing. I need to build a curved piece with a hole pattern and I was wondering whether it was possible to print such a hole pattern accurately, with such a thin (3 mm) thickness ...
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2answers
442 views

Ball valve to be prototyped

Hey so theres a product we have been prototyping. We cant do FDM. The item has a ball valve. and the ball ~ 1.6-1.9mm I cant seem to prototype it. I have tried SLS, SLA, Polyjet. Anybody knows ...
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1answer
3k views

How to attach a metal bearing to a print [closed]

I have a bunch of ball bearings (608 2RS) that I'm planning on using in a project with printed parts. But I'm not sure how to attach and secure them properly. How is this done usually?
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1answer
336 views

File Input data types

I'm a newb and don't know much about 3D printers. In visual basic I can create vector data of 3d objects,that can be loaded into a binary or text file. Can files like this be used with a 3d printer? ...
2
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1answer
537 views

Cantilever snap-fits print axis

I'm new to 3d printing and need to design and print a case on an Ultimaker S5 using PLA. The case is box like and consist of a top and a bottom part. I was thinking about cantilever snap-fits to join ...
2
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1answer
75 views

A free simulation program

With some of the items I am designing I would love to put them through a simulation. Like crushing, for example. I want to know how well my object can handle any situation I put it through so I can ...
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2answers
834 views

How to draw kossel delta corner in fusion 360?

I want to draw kossel delta corner in fusion 360 for 2040 aluminium extrusion like on picture below, but cant find a way to actualy start, I draw 3 side polygon and 20x40mm rectangle but cant go from ...
2
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2answers
886 views

fill in svg or stl design

This is a line drawing and I would like to print it a couple of mm high. I cannot figure out how to get this line drawing filled. I converted to SVG with Inkscape, used GIMP, took it online to ...
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3answers
620 views

101Hero 3D Printer - Printed object is tilted

I am facing a problem with my 3D print. Whenever I am printing any object, the print from the top is shifting to the right hand side - it is symmetric at the bottom but not at the top. Checkout the ...
2
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1answer
135 views

OpenSCAD / FreeCAD splitting, hollowing and threading model

I had a thought the other day that it's 100 % waste to have either a solid or hollow 3D-printed model in relation to utilizing the space inside of it for different modules, e.g. secret compartments, ...
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3answers
80 views

A single angle, single phone model windshield mount -- a job for a 3D printer?

My end goal is getting high quality dash footage from a 6 month road trip I'm going on. From my research, very few dash cams support 4k 30fps filming, and the ones that do overwrite their own footage ...
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2answers
524 views

What is the correct way to export SVG in order to convert to STL?

I made a simple logo using Inkscape, after saving as an svg file, but when I export that file into Fusion 360 something strange happened. Multiple times I convert some images (png, svg) to svg file. ...
2
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1answer
494 views

Can snap-fit connector be designed for 3D Printing?

I am new to 3D Printing. We currently have to design in process that I want to finish. The design consists of two parts (top and bottom), the top and bottom that need to snap fit into each other. The ...
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2answers
1k views

Black surface in Meshmixer

I was working on a model today and I need to make the black surface into a normal surface so that the ship's cockpit is solid. I am unable to select the black surface. I tried using the flip normals ...
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3answers
1k views

Connecting disconnected pieces in Fusion360 Stencil. Sketch entire model then extrude

I am trying to make stencils of Japanese Kanji characters with my 3D Printer. I am very new to Autodesk Fusion360 so I am running into some barriers: I am having trouble sketching a rectangle and ...
2
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1answer
434 views

TinkerCAD Align to Odd Shaped Object

I have an odd-shaped object (I'll call it "A") that I have imported into a TinkerCAD drawing. Its dimensions do not align to any specific size, and therefore I can't really use the grid lock to help. ...
2
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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 ...
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1answer
1k views

Could I 3D print an airbrush? [closed]

Could I 3D model and print a working airbrush in PLA?
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2answers
1k views

Padded Sketch comprises too many solids (FreeCAD)

Under FreeCAD, I sketched on the face of a solid as follows : My problem is, when I use "Pad a selected sketch", the solid created comprises also the original solid. It prevents me, for instance, to ...
2
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1answer
98 views

3D printing forum community [closed]

Is there any forum where expert designers can help beginners like me? I am starting to design a panel for my car, and I am having some difficulties with finding a modeling program and using it.
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0answers
188 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,...
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0answers
45 views

3d print first or board design? [closed]

I am trying to make a controller(Who doesn't want that?) for PC. Just before starting the build I wondered if it would be hard to 3D print to scale of my board. So I was stuck in a paradox... 3D print ...
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0answers
83 views

Mesh modeling - remove parts of a mesh using a uv map

Any idea which software they use to get the honeycomb pattern? I just read a nice article about the “Design of a Patient Specific, 3D printed Arm Cast”. (https://knepublishing.com/index.php/KnE-...
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1answer
227 views

Designing back plate for Ring Doorbell [closed]

What is a good tool to use to design a back plate for a Ring Doorbell? The shape will essentially be a wedge shape, tilting the doorbell to the side and down a bit. I'll need to iterate over a few ...
2
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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
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0answers
109 views

Which properties of real organs do 3D printed organs have? [closed]

I've heard of 3D printed ears, limbs, and muscles. I assume if you were to attach one of these ears to a person, it wouldn't have a sense of touch and other properties that a real ear would have. So ...
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2answers
111 views

Which 3D printer to print heat-resistant material?

I need to print a rotor for a DC motor I'm designing. In the process of testing the behaviors of the motor performances, I would need a material that will not deform at a temperature range between 100 ...
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1answer
2k views

Font for cutting?

I want to print a text inside a box. I mean the text should be cut out (see through). Example: As you can see the parts in "o" and "e" cant float.. it needs some kind of a support. Also the top ...
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3answers
67 views

Is 3D printing really just 2D printing? Because only 2 motors move per layer

I was wondering the other day why don't all three motors move at the same time? Don't normal paper printers move 2 motors at a time? they're 2D printers. It makes sense if a 3D printer really does ...
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2answers
108 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:
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1answer
2k views

How to automatically add support and "base" to the model I am printing?

Most of time my prints fail due to lack of support and "base" for the 3D model. I'd like to know if there is any software that can automatically check my model, and add support and a "base" to it, if ...