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Questions tagged [3d-models]

Use this tag for questions about 3D models.

2
votes
1answer
49 views

Can I use a 2D photo to get a 3D printing model? [closed]

Can I use a 2D photo to get a 3D printing model that gives a good result?
3
votes
1answer
29 views

Problems with STL model in Ultimaker Cura

I want to print a piece of fruit modeled in Blender. It is an STL file. Please note that I am an absolute beginner at 3D printing models. What do these red zones mean? What is wrong about the mesh ...
2
votes
2answers
76 views

Hollow wing for rc plane

I am trying to print a wing for a rc plane with my 3D printer. In order to make the wing as light as possible I need to hollow it (and afterwards put some stable structure there). I've tried the ...
4
votes
0answers
50 views

How to print an item the size and thickness of a laptop display? [duplicate]

I want to print a case for a laptop display that I plan to turn into a second display. I have the Ender 3 printer, with a print area smaller than the case's size. ...
-1
votes
3answers
104 views

What is the best way to print a coin with depth map? [closed]

If I have an image like the one attached, what’s the best way to create an accurate depth map of it? I have photoshop CC and 3ds Max, but I don’t know what settings work best with Slic3r. There is a ...
5
votes
3answers
455 views

Strange walls/faces when importing self made model from Blender to Cura 3

I wanted to create a coin stacking device similar to this one: https://www.thingiverse.com/thing:499177 But I wanted to only 3 coins, 5c, 2c, and 1c. Unfortunately the STL came in pretty messy after ...
2
votes
2answers
47 views

Using multiple infill types within one model [duplicate]

When modelling for 3D printing, can I distinguish somehow the type of infill in various areas of the model? Say there may be some areas in the model where I want 100% infill (maximum strength) but ...
1
vote
1answer
48 views

Resources for making 3d scans of electrically conductive materials?

I would like to make a 3d scanner for accurately modeling very small metal parts. I figured I might be able to take advantage of the fact that metal conducts electricity, and avoid using light. This ...
5
votes
3answers
142 views

Route to transform 2d image (depth map) into a curved bracelet (and STL file)?

I've got a bracelet concept that I've sketched up as a flat design. I'm trying to found a route by which I can extrude this into a 3d object (depth map?), curve it into a bracelet, then ultimately ...
1
vote
2answers
81 views

Recommend simple software to create calibration print for table leveling [closed]

I've just bought Anycubic i3 Mega printer and trying to level it. So far I've printed test object and 2 others but looks like there are problems with leveling. I want to make image of 5 small one ...
8
votes
3answers
83 views

How to determine shell thickness for parts?

Let's say you're printing a container or some other object with no infill. What's a good rule of thumb for how thick to make the outside? I'm looking for something along the lines of millimeters thick ...
8
votes
5answers
135 views

What kinds of gaps/tolerances should I use when designing pieces that fit together?

Let's say I'm modeling a simple box with a lid. Just as an example, we'll say the outer edge along the top of the box is 50mm x 50mm. With 3D modeling software, it's easy to build a lid for this box ...
3
votes
2answers
306 views

Split/edit part in FreeCAD?

I'm trying to modify some parts on this thing. I'm kind of new to dealing with the modeling aspects of this. I am attempting to widen the part essentially 3mm. This would involve modifying the chain ...
1
vote
1answer
78 views

Why does MakerBot software shows holes in the wall of a 3d model?

I made a simple extrude on a sketch in Fusion 360: But what MakerBot software shows me in the preview is Can someone explain how to make it print a smooth wall? Mesh of the model also seems to be ...
6
votes
1answer
83 views

Easy way to refine a 3D-model for 3D printing by removing internal geometry

I have been given a proprietary 3D file of a real world item from an item manufacturer with the obligations not to hand it out to anyone to produce a print in a low single digit percentge scale of the ...
3
votes
1answer
69 views

Linking the 3D printing path coordinates to CAD for modelling

I was reading this research paper titled Sub-modeling Finite Element Analysis of 3D Printed Structures. In this, firstly, the author is trying to create a sketch for Engineering analysis using the 3D ...
3
votes
1answer
59 views

Subdivision surface for STL files

How much should I subdivide a surface in preparation for 3D printing? For computer graphics, I know that I need to balance the smoothness and the rendering time, but for printing, I'd like it to be ...
5
votes
1answer
89 views

How can I generate and export the support structure for an object as a mesh?

I want to render a visual of an mesh I created with a real support structure that a 3d printer would print. I haven't had any luck in finding a way to do this. Is there a program (ideally free) that ...
7
votes
1answer
88 views

Extruding a (wall?) in Fusion 360?

I have a model that has walls with a volume of 0.00mm that I want to extrude so I can 3D Print it. I was unable to convert it into a normal body in order to extrude it. In addition I was unable to ...
5
votes
1answer
117 views

OpenSCAD library for empty space/holes

I am working on a design in OpenSCAD, and need (would want) two things that seem tedious to hand-code: A pattern of holes in a wall, for less weight/material. Could be round holes or some geometric ...
5
votes
3answers
90 views

Getting precise measurement of a complex rod

I'm trying to build a headrest for my Sayl office chair. For that, I'm designing a 3d-printed part that's going to fit on one of the existing rods of the chair. Check out this picture: How would you ...
4
votes
2answers
119 views

How do I create a STL file from a 2 dimensional grid of data

Given a large set of data, I was able to create a 3D graph in Microsoft Excel. How can I create a STL file similar to this graph to create a physical model of this graph?
2
votes
2answers
198 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 ...
5
votes
2answers
88 views

Printing a building from its laser scanned exterior point cloud

I have a very dense point cloud (billions of points) of the exterior of a building obtained by laser scanning it with a Leica head. I successfully subsampled it down to around 500,000 and I'm trying ...
5
votes
2answers
92 views

How do you program a 3D printer?

I'm thinking about building my own 3D printer/Laser Engraver/CNC. Since all use a standard Cartesian axis I wanted to be able to swap out tool heads depending on the purpose. I have everything thought ...
4
votes
1answer
267 views

How do I compute the surface & volume of a large amount of STL files?

Please, how do I compute the surface & volume of a large amount of STL files ? I have over 3000 STL files, and I want to know their respective volumes and surfaces. I will use this data to be ...
2
votes
3answers
164 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 ...
3
votes
1answer
134 views

Print quality problem with M3D FDM printer

My model looks like this, does anyone know what's going wrong? I'm thinking that if the small object looks like that, it's probably because of the slicer? And how about the bottom part of the cube... ...
1
vote
1answer
73 views

Is there any public and reasonably accurate 3D scan from a Cray-2 computer? [closed]

I'm thinking about building a Cray-2 inspired cluster. I'm concerned about the exterior housing modules, proportions and panels. Has anyone done a good 3D scan of one?
2
votes
1answer
109 views

How can I rotate a 3D model to be parallel with the build plate?

I have an STL that has a flat surface which should contact the build place when 3D printing. The model has an unknown rotation. How can I rotate the 3D model to be flush with the build plate? I am ...
2
votes
2answers
72 views

3d printing of which plastic out of polyurethane, e-glass, and PTFE is easiest?

I am looking for a plastic which is transparent to radio waves. I want to place my transmitter in a cylinder. That cylinder would be placed in a big RC plane ( whose body is made up of cardboard). I ...
1
vote
2answers
432 views

How can I read this 3mf-File

So I am trying to get the XSD-Schema from this object. When I open the File I just get something like this code (snippet): ...
3
votes
2answers
136 views

How to modify 3D model of body?

I'm relatively new in the field of 3D printing and design. By now I've created and printed some technical objects with TinkerCAD, but now I've a task, which I don't know how to solve. I have the ...
4
votes
2answers
82 views

Oversized pieces

After a long time tweaking my new 3D printer I solved all the unexpected errors and I can print succesful pieces but I am facing a "problem", they are over sized, I found this problem trying to print ...
2
votes
2answers
200 views

how to get infill on self created stl via onshapes

I created my model in onshape then exported it to stl file then imported it to simplify 3d to convert to gcode. However my model didn't go any in fill, it just continue to print layer after layer in ...
2
votes
2answers
153 views

OpenSCAD to Flashprint ruins model based on number of fragments

I'm trying to print a cylinder with Flashprint. Problem is, that the .stl file i created (with OpenSCAD) is totally ruined once loaded into Flashprint. With ruined I mean the round outline is now with ...
3
votes
1answer
76 views

How to draw cube with cone (Dreidel like), using Onshape?

I want to draw a cube with cone using Onshape. I need the cone to "shave" the corners of the cube, till it gets to the middle point. This is diagram I made: What is the best way to do it?
4
votes
1answer
754 views

How to design a worm-gear in FreeCAD?

I want to print worm gears for my robot arm. I would like to design it in FreeCAD. Normally, I would use involute gear for regular gears. However, this tool cannot be used for worm gears. I can't find ...
1
vote
2answers
131 views

Fusion 360 M3D Slicer

I have created a design with fusion 360. I tried to print it with my M3D Pro printer but it seems the designs have a flaw. If I try to print the bottom part, the second layer is wrong. It seems to ...
1
vote
1answer
63 views

Model stuck on base

I've printed the same model at least twice and both times it was impossible to separate from the base material it was printed on. I'm using a QIDITECH dual extruder, when I start the print it uses ...
2
votes
2answers
554 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 ...
5
votes
2answers
3k 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
38 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
208 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
389 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
216 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
2k 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
99 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
43 views

meshmodelling - remove parts of a mesh using 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-...
5
votes
2answers
298 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 ...