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12 votes
Accepted

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

Before exporting, press A in object mode or go to Select > All to select everything. Hidden objects won't be selected. Then while exporting, check "Selection Only" on the right to export ...
Gorgious's user avatar
  • 31.4k
8 votes

Scales importing .stl file

You should to know the scale used in the STL file, for example OpenSCAD uses millimeters for all, when you export your work from OpenSCAD to a STL file, the scale will be mm. So you should configure ...
Kha's user avatar
  • 81
8 votes

Scale settings for exporting to STL (for 3d printing)

Set Blender in metric mode. Don't touch the scene scale. When export to .stl set the scale to 1000 (in the export menu). It seems that most slicer use mm. :)
Sadmandono's user avatar
5 votes

Why does the smooth incline in blender have bumps in the stl file?

STL exporter triangulates the mesh. If you want to see how the mesh will look like, when exported, triangulate it first. Triangulate Modifier Triangulate Faces operator (✲ CtrlT) Each polygon in ...
Markus von Broady's user avatar
5 votes

Why does the smooth incline in blender have bumps in the stl file?

One option would be to take a subdiv. approach to this model, ensuring a topology that flows around the geometry more evenly. When the triangulation is eventually made, it reflects the geometry more ...
Robin Betts's user avatar
  • 77.9k
4 votes
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Help with non-manifold geometry and stl file

There were three main issues with you non-manifold mesh: Faces going through other faces - You need to reconnect them vertex to vertex. Disconnected edges (with gaps) - hard to notice, check for non-...
jachym michal's user avatar
4 votes

Why does the smooth incline in blender have bumps in the stl file?

Part of the issue is that any layer-based 3D printing will have a certain amount of terrace-like texture simply because of the layers. You can reduce this by lowering your layer height, but this may ...
user160341's user avatar
3 votes

Change the material (color) every frame in Python

Yes it is possible. But how to do it depends on what exactly you want to do. One way is to use a driver on one of the properties of the material. Here is a very simple example to show you how it ...
Marty Fouts's user avatar
  • 33.3k
3 votes

Pivots (or origins?) proper positioning

you can move just the origin (not the mesh) by checking "origin" and then move that point:
Chris's user avatar
  • 62k
2 votes

Scale settings for exporting to STL (for 3d printing)

I had the same question, but my measurements are in inches, and I'm trying to print something to fit something inside of a drawer, so everything was measured in inches. (I probably could have redone ...
nomadic_squirrel's user avatar
2 votes

export> stl> EXPORT STL, blender keeps saving the wrong file

STL format only supports triangles. STL file format wiki STL (an abbreviation of "stereolithography") is a file format native to the stereolithography CAD software created by 3D Systems. STL ...
batFINGER's user avatar
  • 84.5k
2 votes
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Import multiple STL files and modify the incoming objects in one go?

Similar to Import STL via python, you can use the ImportHelper class if you'd like to import and modify objects. Have a look into the Operator File Import template ...
brockmann's user avatar
  • 12.6k
2 votes

Exported STL not as in Blender

Ok, got it. It has to do with how Blender handles nonplanar faces. Inside blender, it can show a face that is bent (one face on each side of the bump). But for the STL export, it will break them down ...
Lukáš Řádek's user avatar
2 votes

Why does Blender always export in inches

So I changed Blender to meters and export the STL object Scale x 10. So a 2 meter cube exported as a STL imports into Prusa slicer as a 20mm cube. I don't get the warning and I can work with that.
Eddy's user avatar
  • 177
2 votes
Accepted

Seamless mesh array modifier

The reason why your mesh doesn't tile well even though you make it symmetric with mirror modifiers is that mirroring only guarantees the vertices of mesh borders will meet, but it doesn't guarantee ...
Markus von Broady's user avatar
2 votes

Morphing 3D objects with Coordinates using Python/Geometric Nodes

Alternative to using shape keys, vertex coordinates are directly keyframable. If v is a vertex of a mesh, you can use ...
Adam Swearingen's user avatar
2 votes

How to precisely move origin without having a solid point to snap

To correctly align on X and Y, select one of the top circular edge loops, put the 3D cursor to the selection... Then put the origin to the 3D cursor: To correctly align on Z, enable the Transform ...
moonboots's user avatar
  • 162k
2 votes
Accepted

How to precisely move origin without having a solid point to snap

If you get along with pie menus, it would be worth checking out the shipped add-on: 'Interface: 3D Viewport Pie Menus'. One of its features is an 'Origin' pie menu, which includes 'Origin to Bottom': ...
Robin Betts's user avatar
  • 77.9k
2 votes
Accepted

How to change default settings for STL export (new one, not legacy)

I haven't found a way to definitely change default settings but if your need is to be able to one click open an export window with custom settings, you can do it using a keymap : Create a keymap to ...
ldenisey's user avatar
1 vote
Accepted

Mesh is subtracting in CURA

The normals on the model are mixed up, you can clearly see there's a problem when you import the model in cura and it shows top faces as red for no reason, open the model in blender in edit mode ...
r4dius's user avatar
  • 26
1 vote

How to turn a displacement model in to something 3d printable

The only way to do this as I know, is bake displacement map (plug it into emission and bake emission channel, EXR format recommended) and then use the resulted texture in displacement modifier, that ...
Crantisz's user avatar
  • 35.3k
1 vote

Is it possible to re-import an stl over an existing object when I update the stl?

I'm not sure if that is what you are looking for, but any object is like a "container" for object data ... ... so you can import your edited model and under Properties Editor > Data ...
vklidu's user avatar
  • 36.7k
1 vote

Waterproof manifold solids

(An answer, because comment do not allow for enough characters) If you import the .stl In Blender, it should be easy to close it up in Edit Mode. Best way is probably to do it manually by selecting ...
Fjoersteller's user avatar
  • 2,721
1 vote
Accepted

Export only the selected object to STL file in Blender 2.8x

First select the object you want exported, then begin the export process as normal, by going to File > Export > Stl, then under the Include section, you will see a checkbox for exporting only ...
R-800's user avatar
  • 2,911
1 vote

Joining Two Complex meshes for 3D printing

Here's an animation that might help Fill outer object (make it a solid object) Also make inner object solid then do a Boolean - Difference on the outer object ...
Rick T's user avatar
  • 4,523
1 vote

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

You need to recalculate your object origin. select your object and go to object > set origin and pick one you prefer. most imported assets, export with 0 for object origin to avoid unwanted ...
Mobin's user avatar
  • 1,637
1 vote

Create Surface from Selection

what @ZargulTheWizard is trying politely saying to you is that your Blender knowledge could be a little bit more advanced. You are assuming too much with too less knowledge. "A common object type ...
Chris's user avatar
  • 62k
1 vote
Accepted

Issue with exporting .STL after shade smoothing

Shade smooth is only shading done in software and doesn't change the geometry of your model. If you want it smoother you need to add a subdivision surface modifier which will add the "smoothness&...
Mark Grant's user avatar
1 vote
Accepted

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

Slippery Slope. Would investigate doing this in a post pro way, Using something like sed or python, to run thru stl files and automate the bothersome edit, rather ...
batFINGER's user avatar
  • 84.5k
1 vote

Joining instead of Cutting with BoolTool Ctrl Shift - Shortcut

Use the Boolean modifier in Properties > Modifier Properties > Add Modifier > Boolean, and choose the object you want to cut with, in the menu for Object. I'm not sure what Ctrl Shift - ...
Clobro's user avatar
  • 376

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