Questions tagged [stl]

The 'stl' tag is for questions about importing, exporting, or modifying stereolithography CAD files with the '.stl' extension.

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13 views

Create smooth transition between STL solid and Blender Solid

The snake head is an STL and the rest was created in this blender image. I added a bunch of cones to make the transition between the snake head and the torus smoother, but it doesn't look the best. ...
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8 views

There is a way to export to STL without the visible files keeping the boolean modifiers

Im try to extrude with boolean modifiers. It looks like this with the hidden objects: I saw several tutorials where there is a button that says "apply" and they can delete the object, they ...
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27 views

How to create undo savepoint and rollback to it later in python scripting?

I'm trying to create a script for my scene that splits pre-defined objects into separate parts and exports to STL. It would be easiest to implement by first creating an undo savepoint (the current ...
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1answer
58 views

Change the material (color) every frame in Python [duplicate]

I have a very simple question. Is it possible to change the material (i.e. color) of a body or face at each frame in Blender? Would it be possible to do it through Python?
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11 views

Why do the new materials don't show up on an imported STL file?

I have imported some files from Solidwork in a STL. format. When I import them in blender, they show up in the solid mode viewport, but are glitchy in material and render preview. When I try to add a ...
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16 views

Change color of faces from stl figures

I am new in Blender. I would like to change the color of faces of two stl meshes (femcomp and tibcomp). At the end, I want to assign colors as a function of values coming from a csv file. However, I ...
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1answer
50 views

Joining Two Complex meshes for 3D printing

Thank you for considering this issue. I am trying to 3D print a handle that will have a wire running through. As such, I have two meshes to make this handle hollow on the inside: the outer mesh is ...
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32 views

Is there a way to export DXF without triangulation

I was wondering if there's a way to export a mesh to a DXF file without Blender doing it's triangulation and get a similar result as if your mesh was a curve. Let me elaborate what i mean. I needed a ...
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33 views

Cant add texture to imported model

So i've made a component in solidworks, saved it as stl and imported it into blender. Followed a guide to apply a jpg image on the surface of the model. I got it to work on models that i created from ...
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48 views

STL file too slow to load

I'm new on Blender and I'm struggling with Blender's import operator for STL files. In my code, I try to load a file from the browser and then make some actions on the loaded object. I can get the ...
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2answers
33 views

"Cursor to Selected" Puts 3D Cursor to the World Origin Instead of Center of the Object (STL File)

This is an STL file I imported to Blender for 3D print. I have similar problem when dealing with most STL files (downloaded from Thingiverse and a like). I have 3D cursor sets in the middle of ...
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202 views

Keep vertex order when exporting and re-importing a mesh

I'm having a problem with exporting my mesh and keeping the vertex order when re-importing that exported mesh. I have looked around but was unable to find a good answer. I'm helping a friend with his ...
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1answer
52 views

stl-Voxelisation and coordinates

I am new to Blender and have searched a lot for my problem, but unfortunately have not found anything useful... Is there a possibility to voxelise an stl-file with Blender and to define the voxel size ...
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2answers
92 views

Create Surface from Selection

I have imported a .stl model into Blender with the goal of isolating and shading various parts of the model (painting it). I'm stuck with this format as a starting point. In the Modeling pane I've ...
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16 views

Script for repeated import and export

I have to create a movie by importing single stl objects, which represent the object at a specific time frame, onto a background and export them to single pngs. After that i can put them into a video ...
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13 views

Can someone explain STL export scaling? [duplicate]

I like to work in inches in Blender. When I export a mesh STL I have to scale the object by 3.28 to get the correct size STL object. Why 3.28?
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23 views

How to export STL without duplicate vertices?

When I export mesh from Blender to STL I end up with STL file which has around 6 times more vertices than the actual unique vertices number. I checked that in MeshLab. How to export a mesh in a way ...
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23 views

UV Editor Unrwrapped Triangle

I'm new to Blender so apologies if this is ridiculously simple. I'm working from an .STL file and I'm trying to apply an image texture to a part. My process so far has been, selected part in Object ...
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26 views

Blender API - Repair meshes, similar to Windows 3D Viewer?

I have a question about repairing an stl, particularly after a Bollean union. I've been working on a script that allows me to make customizable game pieces for 3d printing. It involves combining a ...
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5 views

STL editing models [duplicate]

The STL file contains three models separated by amble space in a group meaning can't move one model without the others moving also. I like to ungroup the models into separate model to add more 3D mesh ...
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1answer
368 views

Issue with exporting .STL after shade smoothing

I've just finished modeling some object in Fusion 360, exported it as an .STL file and opened it up in Blender in order to make it smoother. So I applied Shade Smooth with Auto smooth enabled on 45 ...
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1answer
23 views

Trouble creating a volume from a plane

My friend and I are trying to create a landmass for a nautical table top game. We want to create an STL file to 3d print. The piece is seaside village on a hill at the edge of the board. This being my ...
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1answer
56 views

Blender 2.91 Mesh Object to 3D Print STL

I am a Blender newbie. I started on 2.7. Recently upgraded to 2.91. I used blender to create models for 3D printing and I use a Cura as my Slicer. My issue is has to do with creating a “sliceable” STL ...
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1answer
88 views

Change the export stl file code from Exported from Blender-x.x.x to object name

I want export model into stl format in ASCII, which Blender can do. However when I open the exported stl file by text, the first line is always like this: solid Exported from Blender-2.91.2 And the ...
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3answers
102 views

Joining instead of Cutting with BoolTool Ctrl Shift - Shortcut

I have been using Blender to edit STL files for resin 3d Printing. I have an object that I want to cut and I create the shape I want to cut out of it, but when I give the ⎈ Ctrl+⇧ Shift+ - command, ...
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1answer
365 views

Import multiple STL files and modify the incoming objects in one go?

I want to import stl files using file browser (by using 'INVOKE_DEFAULT' on import stl operator). It seems that join() operator ...
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63 views

How to repair artifacts in object for 3D print?

I made a model for 3D printing, (you can see what it looks like in the first picture) and I uploaded it to i.materialise.com for 3D printing with titanium metal. When the website "fixes" my ...
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35 views

How to use fluid simulation to combine different meshes for 3d printing

I'm trying to 3d print a hollowed version of the bust of a video-game character. The character is very detailed and has meshes for every part of armor and a single eye is composed of 4 different ...
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1answer
13 views

Odd STL result, but I don't know why

So I drew a threaded cap. This is my first attempt. It looks OK in Blender but when I view the resulting STL file in an STL viewer, it looks very wrong and I don't know where to begin to fix it ...
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1answer
181 views

Closing a STL surface

Happy new year! Problem explanation I am trying to modify a STL model generated by a CT scan (skin model), in order to close the surface. I am using this in brain simulations and in order to add ...
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1answer
155 views

stl file import is off-centered

When you import a model (e.g. stl file) into default blender files, sometimes its off-centered. How can I reposition the model to the center of the view where: x=0,y=0,z=0 Thanks
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16 views

How to save correct units into STL? [duplicate]

I drew some shape and it's length is 1 meter according to Blender. Then I have exported it into STL and opened it in SolidWorks. Now it's length is 1 millimeter. How to fix?
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1answer
102 views

STL exported object has hollow

I am very new to Blender without any 3D design background. I am designing a solid object as shown in Figure 1 and Figure 2. However, when I export the object to STL file and view it by Preview in Mac ...
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223 views

imported STL file -> textured added not displayed

I am new in Blender. I used Blender 2.91.0 under windows 10. I designed a basic cube in Onshape (kind of solidworks software) and exported as STL file. I imported this part in Blender, applied an ...
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1answer
617 views

How to prevent hidden shapes from being exported to .stl file?

I've created a replacement radiator knob in blender to get it 3d printed. I've used array modifiers to replicate shapes mirrored around the center. And I have used a Boolean modifier to create the ...
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23 views

Scaling settings wrong for 3D print (STL-Export) [duplicate]

Thank you in advance to all the great contributors of this wonderfull 3D solution. My point is about the 3D-print business or industry convention to correlate STL 0.00000E+000 to 1 millimeter. Unlike ...
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1answer
119 views

Boolean difference acting like union (checked normals, doubles, and manifold)

I'm trying to perform a boolean difference to cut a piece out of this treasure chest lid to change to a pop-in hinge: The model is an STL from Thingiverse. I created a shape that I want to cut out of ...
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1answer
36 views

Export of STL file enlarged very slightly for the diameter

I have 4 objects produced in Blender in 4 separate files. 3 of them export with no problems the other one is enlarged slightly along the X and Y axes when exported to STL, the z axis measurement is ...
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8 views

How to add the measures of the single parts of a 3d object saved in STL format [duplicate]

I've downloaded the STL files of a puppet that should be ready to be printed with a 3d printer and I've used two 3d tools to display the relative components of the puppet's body. First of all I used ...
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17 views

Loosing curves on an object when exporting to STL

My goal is to create a vase, that will be painted by KUKA robot. So I need to export it from blender in STL format for robo software to understand. I made a vase, and I make curves, which will be a ...
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2answers
447 views

Blender model won't produce valid stl for printing

I have a relatively simple model to which I've added a lot of modifiers in blender. When I export to an STL the result has several solid layers that aren't visible in blender. I It also thinks that ...
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22 views

Imported STL files dont look round when rendered [duplicate]

im currently working on a CAD model (using Siemens NX12) and want a more realistic render than NX is able to provide. I've tried a number of methods and came to the conclusion that exporting as STL ...
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1answer
165 views

STL File Exporting with Incorrect Origin Point

I'm trying to set a new origin of rotation of a STL file using Blender. I've imported the STL file into Blender and changed the origin (using Origin to 3D Cursor), which allows me to rotate the object ...
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0answers
25 views

Large memory consumption upon loading model

When I import a single large STL (700MB), Blender uses 3GB of memory. This is before any operations have been performed. While editing, the memory consumption jumps to 16GB and my computer grinds to a ...
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0answers
29 views

Removing lines to texture

I am trying to make this box look more realistic There are too many lines and I need to remove some without messing it up. I put this into blender using a CAD file. STL. Is there a way I can do that ...
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26 views

How to save mesh coordinate when batch exporting stl files?

When I Batch export objects of a scene each one into a single stl at the same time, it seems it resets the coordinates of each one. Is there a way to make it save the coordinates so I can load all the ...
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1answer
136 views

STL batch exporter alters file name

Blender has a built in option to batch export STL files but it replaces spaces, "(", "[" with underscores which I don't want. For example: What the object is named: ...
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1answer
313 views

Help with non-manifold geometry and stl file

Pretty new to Blender and modeling in general and I've spent a couple days trying to figure out this problem. Can someone more knowledgeable take a look and give me some direction? Background Been ...
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1answer
57 views

Waterproof manifold solids

I need your support to build a waterproof manifold solid in Blender 3D. I have attached a .stl file showing outer and inner surfaces of a gear, developed and exported by a 3rd Party software. The ...
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0answers
12 views

File error for printing format issues

I am trying to set up a model on a Cura Lulzbot software to get a preview of what I am making but I am getting file errors even though I have it all unified with the boolean modifier. There are ...