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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89 views

Is there anyone now permanently living in 3D-printed houses or buildings?

Are the following statements still true, or are they now out of date? [3D printed architecture] The problem is this: No one has been able to successfully take the leap from printing a fancy art ...
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2answers
526 views

How to add tolerances/gaps in 123d Design?

When I design parts that must fit in each other, I usually keep in mind that prints are 0.2-0.5 mm wider than expected (depending on material) and I size the parts accordingly. However, sometimes I ...
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1answer
9 views

How to add tolerances/gaps in OnShape?

When printing parts that fit together, there's a need to offset them from each other with a slight gap to provide for the printer tolerances. It's possible to take that into account from the very ...
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What foundation designs are adequate for a 3D-printed one-floor building larger than 200 square meters?

With the increasing price of lumber and construction materials in the U.S., 3D-printed houses become a more viable way of building houses. Designing the foundations of mini-houses isn't difficult. ...
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2answers
161 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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1answer
40 views

How to create a 3D model as mold for a 4-legged animal with parallel legs

I am new to 3D printing, and new to mold design. I played around with a model from Windows Paint 3D library: And I realized that it would not be easy to 3D print a mold out of this. First of all I ...
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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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1answer
75 views

What effects does the non-carthesian coordinate system have on the Part-design process for printing with a belt printer?

Background: What's a Belt Printer's Coordinate system? For "normal" Cartesian (Portal, Cube) or Cylindrical (Delta) coordinate printers, the same Design Consideratons are to be kept in mind. ...
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2answers
162 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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1answer
77 views

How to create an air-free design?

I am creating a bottlecap-like design. The design is sealed by rotating the lid. I am adding a chemical to it for an experiment. I would like the inside of the design to have no air circulating to it ...
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3answers
64 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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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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1answer
46 views

How can we control the airflow in a fan which can be 3D printed?

I am new to 3D Printing and I have taken up a summer project. The project requires a fan 3D Printed, If I use a normal fan the airflow will make my project (i.e. a air-propelled car) go backward. Can ...
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20 views

Source of design advice for modeling functional parts [closed]

Where do I go for deeper knowledge about 3D printing functional parts? I want to up my game a bit and design some more functional parts. In particular, I want to do more with boxes, organizers, and ...
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2answers
79 views

Recommendation for free, intuitive offline 3D modeling software for 3D printing [closed]

I've used TinkerCAD (https://www.tinkercad.com/) and was able to easily model objects for 3D printing, despite having no prior experience in 3D modeling. However it needs to be connected to the ...
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3answers
507 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 ...
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1answer
105 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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4answers
283 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
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 ...
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1answer
361 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?
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1answer
83 views

How to 3D print a shopping cart

I need to find a way to design and build a real shopping cart for my project. I have not idea where to start from but I'm thinking maybe I can 3D print the shopping cart which will allow me to quickly ...
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7answers
4k views

Open Source 3D scanning

I am trying to make a structured light 3D scanner using single camera, light projector and a turntable. After days on Google I did not find any reliable open source project which I can get to work. ...
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3answers
156 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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6answers
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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? ...
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2answers
107 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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4answers
4k views

Is it possible to make a hermetic sealed 3D Printed case?

I am wondering if making an hermetic box is feasible using 3D printer. The box would be a cube with a front face removable, with screw and sealing joint to close it. I searched for different materials,...
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2answers
2k views

How to make an object hold water

I made a tea bowl, but it leaked when making it in PLA... What are the key points to keep in mind when designing and printing an object that is intended to hold water using an FDM printer?
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2answers
125 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, ...
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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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0answers
79 views

Hack IKEA Trofast drawers

I'm looking to hack an IKEA Trofast storage unit. It's 3 drawers high (10 cm for each drawer), I would like to make it 6 drawers high, with thinner drawers (4 cm for each drawer). Which means : ...
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2answers
212 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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2answers
3k views

Water does not flow through 4 mm hole when there is a small amount, how to let water flow through small hole even when there is low pressure?

I have a 3D print where there are 5 holes with a diameter of 4 mm in a cup, and I would like liquid to flow through all 5 holes at once while slowly draining the cup (by slowly I mean: just take a few ...
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1answer
77 views

Vertical 5 mm diameter hole comes out fine, but diagonal 3 mm holes keep collapsing

I am trying to 3D print an object from Shapeways. Confidentiality prevents me from sharing the actual STL files publicly, but what I can say is that it's a shape about 2 cm tall x 4 cm wide x 4 cm ...
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2answers
235 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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3answers
799 views

Design connection to motor shaft for printed gear

I am currently trying to print a gear with the possibility to connect it to the shaft of a DC motor. The following picture best describes what the shaft of the motor looks like by showing the hole ...
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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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4answers
541 views

How to decide print orientation?

Please Note: This question is not about the design. It's about deciding print orientation after the design. I have a small, but complex piece which I need to print. Here are two images of different ...
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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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2answers
123 views

Converting / measuring bottle threads for creating an adapter to it

I'm trying to model the threads of a "Poland Spring" 500 ml bottle so I can 3D print an adapter for it. But I can't find information about it. I emailed them but they said they didn't have ...
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1answer
42 views

Ready to use objects instead of 3D-printing them [closed]

I hope this kind of questions are tolerated here. Otherwise, please tell me in the comment and I will delete the question - no needs to downvote. For a new job I need to create a lot of objects like ...
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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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2answers
238 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 ...
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9answers
2k views

What is the best 3D modeling software for a beginner on a 3D printed mini barrel project?

My goal is to 3D print a 5 liter miniature barrel with a side stand, similar to this wooden one on Amazon. I want it to have a removable top so that a boxed wine bladder may be put inside, and there ...
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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
173 views

How are things like a USB casing designed for 3D printing?

How are professional or regular products designed on the computer for manufacturing? Do they do it by making a 3D model and then getting it made by manufacturers/plastic factories, or the process is ...
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4answers
443 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 ...
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3answers
744 views

Problem in 3D printing of an empty model

I'm new to 3D printing. I modeled an empty bird in Blender (the stl file of model is presented). I tested the model in Blender (using 3D printing tool) and also the Netfabb software. They don't show ...
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1answer
40 views

creating support for a surface

I created an stl file of bathymetry using Matlab and the results can be seen in the two pictures below in Blender. The problem I have is that it is very thin with overhangs. I would like to add some ...
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3answers
908 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 ...
11
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2answers
467 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 ...