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Questions tagged [blender]

For questions about the free 3D design software blender in its use for 3D Printing.

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Blender add-on "3D Print Toolbox" and MeshLab

Blender software has a nice mesh analysis add-on called ”3D Print Toolbox". It is making us give it a second look for our 3D printing workflow. On the other hand, MeshLab is very nice to have ...
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2 votes
3 answers
90 views

Best practices for handling units for 3D printing with Blender

I've been trying to learn Blender as an additional tool for 3D printing (to prepare more organic or freeform models that don't lend themselves to a CAD style workflow I'm more used to), and one point ...
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0 votes
1 answer
57 views

Meshmixer or Blender thickness feature

I ran the thickness gave these errors. Now what should I do to fix the errors with Blender or Meshmixer? Blender thickness analysis: ! With meahmixer: enter image description here
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1 vote
0 answers
21 views

Model looks differently on one leg, has holes [duplicate]

I am currently trying to let someone print a 3D-model of mine for school. The model was made in blender. Everything works fine until the guy imports my model via ...
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4 votes
4 answers
298 views

Why is there a "dotted line" in my "larger" prints

For some reason, my larger prints, or rather the ones that I create, have this "dotted" line in them. And, that line usually splits into two pieces. I use Ultimaker Cura for a slicer, I use ...
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  • 43
1 vote
0 answers
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3D Printing - Cylinder printing has holes - why? How to print with internal supports - Ultimaker Cura

Blender and 3D printing beginner here. First of all I'm using Ultimaker Cura and Blender of course, with an Ender 3 Pro to print. I need to print this cylinder with extruded paths. How do I go about ...
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  • 11
3 votes
2 answers
204 views

Creating a 3D modelled "mold over" an imported object

Let's say I've made a 3D scan of my face and managed to get that into FreeCAD. How might I then create an object (it's a mask, okay?) that conforms to the shape of my face, with a given thickness, ...
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1 vote
1 answer
91 views

Vary line with Z-axis for imported SVG file

I have an SVG file of a line drawing. When I import it into Tinkercad it generates a 3D version with the width of the lines remaining constant along the Z-axis (as expected). I would like to ...
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  • 123
1 vote
1 answer
201 views

3D model with errors when exporting to Cura

I 3D modeled a cartoon car using Blender, mostly using add and subtract with boolean tools. When I export to Ultimaker Cura, I get these cuts along the model. Does anyone know why this is happening? ...
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0 votes
0 answers
225 views

Blender file not slicing properly in Cura

I need help with a blender file not slicing properly, the results seem very strange to me. I'm pretty new to 3D printing, I have an ender 3 pro, using Cura for slicing. I have been using blender ...
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3 votes
1 answer
49 views

Face where there should be no face

When importing this .stl file in Creality Slicer another face appears in the middle when viewed in layered view. This face is not visible in my 3d modeling software Blender. I tried cleaning up the ...
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  • 31
1 vote
1 answer
131 views

Pile up objects and attach them for mass 3D printing

I'm completely new to 3D-printing. Because of Covid-19, my dad got a Dagoma Magis 3D printer and we are printing protective visors for hospital workers here in France. We have been given a 3D model ...
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  • 111
2 votes
2 answers
564 views

Cura Filling holes from a model from Blender

I am Attempting to print this, from Blender But Cura decides to fill in the middle part of the model. I exported and imported the model from an STL file. If anyone can answer this, that would be ...
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1 vote
1 answer
43 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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  • 113
4 votes
3 answers
942 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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  • 71
4 votes
3 answers
1k 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 ...
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1 vote
0 answers
56 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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  • 111
2 votes
1 answer
244 views

Boolean operation on two objects in Blender

I'm trying to draw a strange cup, with a kind of empty handle (actually, it's not a cup, but it looks like one). I need to print this object with a 3D printer, so I exported the model to 3D printing ...
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2 votes
2 answers
316 views

Why are my lowest layers not solid?

I have designed this in Blender: The bottom is a regular n-gon with 0.8mm in height. In Slic3r, I see that the bottom-most layer is not solid: The green parts (of the first image) are going into ...
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3 votes
2 answers
935 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 ...
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5 votes
3 answers
843 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 ...
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6 votes
3 answers
3k views

Outputting an STL file that contains multiple objects for import into Blender

I want to print a object that looks like a flat board with a set of matchbox-like lumps on top of it. I have written a script that outputs an STL file. To keep the script simple, it creates an object ...
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3 votes
1 answer
94 views

cura shows different Z heights

Cura v2.5.0 I've been working in Blender for some time, so I have experience with exporting stl from it with exact size and I had no scale issues with slicing. But today cura showed a strange thing. ...
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4 votes
3 answers
2k views

Scaling objects with constant wall thickness for 3D printing

The question is how to scale an existing mesh without changing the thickness of the walls? I am using Blender to create STL files for 3D printing. Let's say I create a shell for a model railroad ...
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17 votes
4 answers
43k views

Tool to measure in STL files

I want to create parts for a 3D printer using OpenSCAD. Having some STL files from the vendor, but nothing else (no technical drawing, no CAD files). Does anybody knows a free tool, that allows me to ...
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  • 883
2 votes
2 answers
213 views

File from Blender is different in Shapeways's preview

I am trying to print a model I designed in Blender on Shapeways. The object has a hole in it: But when I upload it to Shapeways as a STL file, fixed the sizes, but the hole is filled up in the ...
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19 votes
9 answers
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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11 votes
2 answers
494 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 ...
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7 votes
2 answers
4k views

Why won't makerbot accept an STL file from Blender?

Our library system just put a 3D printer in one of the branches. I have used SketchUp on the library computers for a number of years just to do artsy things. Suddenly, I have the opportunity to ...
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