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Questions tagged [3d-models]

Use this tag for questions about 3D models.

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0answers
28 views

Slic3r - how to combine specific perl code with Slic3r SupportMaterial.pm? [closed]

I've got a specific perl support tree script that I would like to integrate into Slic3r. Does anyone know how to do that?
1
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1answer
59 views

how to split a 40" model into 5 parts to print seperate

I currently have a model in fusion 360 of cylinders with the largest being 40" diameter in a specific pattern as seen below. My printer is a Ender-3x with the build plate dimensions of 8.7" x 8.7" x 9....
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0answers
50 views

My 3D prints don't end up the same as the model [closed]

I'm trying to print a very simple item that I created in blender: However, the print always ends up being a simple "plane" with some scribbely stuff on top
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2answers
68 views

How to design gears

I want to create a micromouse project for fun that use 2 20 mm x 8.5 mm (0.8 mm shaft) motors. I have my own PCB as base. I want its built-in gears will be attached to two 3D-...
0
votes
1answer
73 views

Font suitable for 3D printing [closed]

I am looking for a font, which is connected and has a good line width (so that it can be 3D printed). Something like in the image below: Something like in the image above would be great, but I don't ...
0
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2answers
36 views

How to build a CTscan 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:
3
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1answer
47 views

How can I decrease the thickness of a wall in an STL file?

There seem to be a lot of search results answering the question of how to increase wall thickness, but how can I decrease wall thickness? I have an STL model of a mechanical keyboard key where the ...
3
votes
1answer
62 views

I want to print an image of a network in 3D — what's the best way to convert it?

Suppose I have an image like this below that I want to print in 3D. What would be the best format to convert it in?
3
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3answers
98 views

How can I get a 3D model from a bunch of 2D photos?

I am a physics graduate student and I want to create some 3D models for my crystal samples. We have an X-ray diffractometer in our lab. It comes with a goniometer inside it, so basically I can take as ...
2
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2answers
89 views

Weird surface thing

I have a 3D printer at home, the Colido Compact, and for some reason when I 3D print big flat surfaces a really weird thing happens. I'm using some PLA from Colido too I think It almost seems as if ...
1
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0answers
32 views

Steps to setup a new 3D Printer

I hope it doesn't get closed since my question is widely open: I got recently a Geeetech Prusa i3 Pro B as a DIY kit, the assembly took a lot of time since the package did not include a building ...
2
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1answer
62 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
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1answer
87 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
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2answers
143 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
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0answers
59 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
224 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
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3answers
479 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
152 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
49 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
430 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
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2answers
95 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
222 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
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6answers
289 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
1k 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
102 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
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1answer
138 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
75 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
86 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
169 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
222 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
213 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
97 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 ...
5
votes
2answers
206 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
326 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
118 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
98 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
506 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
376 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
156 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
78 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
175 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
73 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
562 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
184 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
91 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
322 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
195 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
98 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
1k 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
157 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 ...