Questions tagged [3d-models]

Use this tag for questions about 3D models.

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2
votes
2answers
3k views

Empty space in model is getting filled

I drew a fairly simple model in Google SketchUp. I exported it as an STL. I imported it into Cura and exported as gcode. Then I printed the model. All of the bottom layers of the model cover the ...
6
votes
2answers
15k views

How to make walls thicker using meshmixer or meshlab

I have been working at converting game files into 3d files that can be printed, but many of the models have very thin or walls. I was wondering if there was a way to increase the thickness of the ...
3
votes
1answer
79 views

Adding points to a point cloud

I made a scan and got a cloud point file, but the cloud point is not that good, but I need to print it in a 3d printer as soon as possible, just to see how it would look. Basically it's missing some ...
3
votes
3answers
913 views

How to concave a cylinder with Onshape?

If I have a 3D cylindrical extrusion (in Onshape), how can I scoop, carve, or indent a concave/parabolic curve in one of the ends? The yellow surface is the target. Here is the basic shape I'm ...
3
votes
3answers
1k views

How to implement wall thickness Analysis for my .net project

I have .stl for the 3d printing. And I want to analysis wall thickness of this model before printing. I have no idea about any tools. Can I create any console or wpf app for calculating wall thickness ...
3
votes
1answer
4k views

Is it possible to convert a Las /Laz file into an STL or OBJ file?

I would like to know if there is any tool/library (preferably python based) that could be used in parsing a Laz file to extract info that is normally found in 3d object files such as vertices. Which ...
3
votes
1answer
9k views

How to edit G-code created in Cura to begin printing at a specified layer height?

I have an issue with implementing a G-code to print a large 3D object using the Creality CR-10 printer. The print went well for over 30 hours but the filament broke off during the print and stopped at ...
4
votes
2answers
146 views

My print did not turn out as I expected. Where can I start troubleshooting?

I am trying to modify this thing. It's prints OK, but there are some design choices I don't like, so, since the previous makers uploaded their source files, I tried my hand at Sketchup. My latest ...
2
votes
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-...
4
votes
2answers
2k views

Slicing adds holes/cracks to my object

I recently got started in 3D printing but here's an issue I can't seem to find a solution for (I don't know what exactly to look for). Here's what I did: I used InkScape to convert an emoji in to a ...
3
votes
2answers
228 views

Layer height issues creating partial top layer

Cura is slicing my object (a gear with text) with a partial top layer, and I believe it has to do with layer height and rounding issues. I have been able to solve this at specific heights 10-14mm ...
2
votes
1answer
1k views

Could I 3D print an airbrush? [closed]

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

Solidworks: Coincident or interfering geometry when saving assembly to STL

I'm using Solidworks to design parts to be 3d-printed. I've noticed that if I'm making an assembly, where one part has features that touch other parts, then when I try to save that assembly as an STL ...
5
votes
1answer
2k views

commandline remeshing and simplifying tools

I'm currently trying to remesh and simplify some protein structure models (very large) to reduce the file size of the STLs I need to print from. The raw file before manipulation is ~4.9GB. I'm ...
4
votes
1answer
925 views

How can I see what errors Slic3r have repaird?

I have an STL-file that Slic3r thinks has errors. They are not visible in the 3D view. I have had them anazlyzed in both Blender and netfabb. Both of these programs say that the model is good. I don't ...
1
vote
1answer
289 views

How can I make this model?

Here's the model I'm trying to print, Truncated Icosahedron But it must be 12" in diameter and gray in color rgb = #444444 I also want two of the hexagons to ...
4
votes
3answers
439 views

Help! 3D Printing Corals for Aquarium Decorations

We manufacture artificial corals for aquarium decorations. We are trying to use 3D scanning and printing to duplicate live corals. Please see attached photos, left is 3D printed model, right is coral ...
0
votes
0answers
82 views

3ds Max STL Export Resets Pivot

I am trying to modify the pivot of a STL file. Correct me at this point if this isn't even possible. So I load my obj in 3ds Max, center the pivot and center the object via the pivot in the world to 0 ...
0
votes
1answer
94 views

Is B-REP a ready to print mesh

before a mesh can be printed it needs to be 'repaired'. According to most tutorials that is including making the shape close and removing inner shapes. Reading through B-REP in Wikipedia there is no ...
0
votes
3answers
392 views

Which 3D printer is good for beginners? [closed]

I was looking for some advice on which 3D printers are good for someone who is just getting into 3D printing? I have been looking at the Anet A8 on ebay but not sure if they are any good or not. ...
2
votes
3answers
647 views

Converting a mesh to constructive solid geometry

I have a mesh of a bowl that has the perfect shape of half a sphere. I want to easily convert it to the containing sphere solid and a box solid that will be subtracted from it. Googling mesh to solid ...
8
votes
1answer
2k views

How to print a two color part with only one extruder

I'm planning my first project. I want to print an iPhone case with a flush letter on the back, but I want the letter in a different color (single extruder printer). The thing is the two colors will be ...
-4
votes
2answers
568 views

What are the basic requirements to make a 3d printing machine? [closed]

What are the basic necessities needed to build a 3d printing machine. Workforce Technology Money etc. I'm an undergrad and my friends and I would like to make a printer for a project. We wanted to ...
1
vote
1answer
120 views

Print not coming out good

I just designed a robot in blender, and whenever I print it, it goes horribly wrong. The first print was laying down, I had supports on, Then it started to print the arm, starting with the bottom of a ...
5
votes
4answers
4k views

Convert an STL model to a two-extruder model

I have an STL file from thingiverse. The model is of a rectangular lid with an engraving. I would like to print it using two different colors, so that the engraving would be in a different color than ...
8
votes
1answer
2k views

How to carve a hollow cylinder along the curved surface in Fusion 360

Let me start with a disclaimer: I'm new to 3D design, to design in general and specifically brand new to Fusion 360. This is my first project. I started by creating a hollow cylinder, with the one ...
4
votes
1answer
2k views

Slic3r not interpreting STL correctly

I'm very new to 3D printing, I purchased a Monoprice Maker Select Plus last week and I'm just getting started with printing my own models. I can create fairly simple models in Sketchup without a ...
2
votes
1answer
76 views

Best practise of re-modeling a building [closed]

The organization I am working for plans to pull down and rebuild our office building. As some people are a bit sentimental about the old building, we think about making a 3D model of the old building. ...
6
votes
3answers
595 views

Best practices to fix a threaded nut inside a print

I'm trying to connect two 3D printed parts (ABS) together with a threaded connection. Thus, I need to fix a threaded metal nut (M4) inside a corresponding slot which I've implemented in the design. ...
1
vote
2answers
283 views

How to generate a STL from a rotational solid of two equations?

I have a solid of revolution defined by two equations, and I want to generate a STL file for printing from the difference of the two equations, revolved around x=0. I can get a good visualization when ...
2
votes
3answers
1k views

Estimating printing time from Cura

I know that the actual printing time is longer than the time estimated by Cura, due to acceleration and jerk factor. However, I have printed a small pyramid for which Cura estimates 4.0 minutes, ...
3
votes
2answers
2k views

Anet A8 won't print

I have just built my Anet A8 and it won't print. I will preheat it (190°C 60°C) and then press "Print File" and select, then it starts for a second, gets to ...
7
votes
1answer
641 views

FDM layer bonding strength

I'm looking for some advice, rules of thumb, or models for how to design parts for layer bonding strength. As an example part, lets assume a circular beam in bending (tall cylinder). Depending on how ...
2
votes
3answers
630 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 ...
1
vote
2answers
603 views

Best gear STL to print with ABS [closed]

I spent the last days trying to make the best gears I could but they are not "smooth" nor good. I searched at thingverse with "gear" but I see no set of gears. I would like someone to point me a good ...
1
vote
1answer
387 views

Thoughts on designing and printing 3D miniature house

I've done a few 3D designs in Sketchup and Fusion 360. Prints were done in PLA on an FDM and an SLA machine that I have access to. Generally I am quite happy with the results. Now the description of ...
6
votes
4answers
464 views

Printing coarse threads

I have a makerbot, and am using their slicer program. The part I am printing has an extremely coarse thread, 5 threads per inch with a 2 mm thread height. The thread face is at a 30 degree angle (15 ...
7
votes
4answers
9k views

Can a 3D model of a copyrighted work be rendered legally without infringement?

I know this is still gray territory and it is asked so many times within the 3D printing and maker community but I'm curious about the limits of 3D models and were it touches on Free Use and ...
7
votes
2answers
195 views

Are there many assembly type 3D printers?

I am wondering if anyone here knows of any 3D printers that work by assembling models from parts instead of extruding or setting material. The closest I have found is the pixelstone but it appears to ...
1
vote
1answer
444 views

Ugly 3D printing with high precision

I am a totally beginner at 3D printing and I have this question: I see many 3D printers (at amazon) with Z precision as low as 0.1mm! To me that's amazing but what does not amaze me is this: when I ...
6
votes
1answer
560 views

Building a pivot linkage for servo steering with 3d printed parts.

This question is more of a mechanical rather than 3d printing, but I am assuming 3d Printing communty have already come accross this issue, therefore this is a good place to ask. I am building a ...
6
votes
3answers
225 views

How does a layman get a 3D printed replacement part?

A plastic gear of an older DVD player broke. I always read about being 3D printing a "repair revolution". So I looked for a template to give to some printing service, but I found none (and nothing ...
34
votes
7answers
18k views

Will 3D Printed Dice Be Fair?

Is there anything to the process of 3D printing that might make the dice unfair/land on a specific side more frequently? Or will any imperfections be negligible, thus making the dice fair? I'm more ...
2
votes
1answer
127 views

CT Segmentation Model Intersection

I am using (micro)CT data and generating 3-D models using CTAn - a SkyScan piece of software: Bruker - Control and reconstruction programs. Basically I am using simple thresholding to create 3-D ...
1
vote
2answers
421 views

Can I design or remix a model in SketchUp Make and legally share it via Thingiverse, MyMiniFactory or similar?

SketchUp Make is licensed for non-commercial work only. This includes the output from the software. Trimble Navigation Limited and/or its affiliates ("Trimble") gives you a personal, worldwide,...
0
votes
1answer
114 views

How to make a steel mold from a 3D print in high detailed resin? [closed]

I'm looking for information on how to make a steel mold from 3D print model using high detailed Resin. My model is a custom made figurine/mininature of 6 inch. Can anyone share companies that can ...
1
vote
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 ...
7
votes
1answer
239 views

How can I make this rounded enclosure feasible to print?

TL;DR - What needs to be done to the following model to ensure a successful print? As part of a father-son project we're trying to make an enclosure for a digital clock. The idea is to make a 3D ...
3
votes
1answer
178 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 ...
2
votes
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 ...