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Questions tagged [geometry]

Questions pertaining to creating, generating or editing an objects geometry. Object geometry is defined by editing and creating the location and rotation of vertices, edges, and faces.

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0answers
13 views

Real displacement issue

i am having this weird issue where the displaced geometry has an offset from where the mask is, the mask works very well on the bump node but with displacement i get an offset no matter the amount of ...
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1answer
17 views

What is the Difference between Displacement Node Normal Node and displace modifier?

The Displacement node doesn't seem to be much different than a normal map, where as the displacement modifier will actually effect the geometry. Am I missing something here, is there a difference in ...
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24 views

Need help adding a glint/translucency/transparency to my diamond material in Eevee

Mkay, basically after a lot of googling, looking up materials guides, straight up borrowing from other people's tutorials on how to make a decent diamond material, I've ended up with this: Now, I am ...
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19 views

Easiest way to patch planar holes

I have a 3D textured reconstruction of a room which, unfortunately, has some holes. I can manually align a plane to this wall. Now, I have 2 issues here: How can I merge the plane with the ...
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1answer
42 views

How to lessen geometry of an object during animation

I'm using Blender 2.8 to animate the growth of a curve that is beveled using python and Animation Nodes 2.1.4 (running Ubuntu 18.04 64bit) The animation generates about 2.6+ million vertices and ...
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10 views

strang jutting mesh glitch upon camera/rig movement

im not quite sure how to describe this but after using rigify and tweaking the weight paint on this model i've been getting flashes of geometry jutting far out. its difficult to stop the movement in a ...
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1answer
40 views

Generate geometry using geometry shader

I have some points which represent polylines. I want to convert this polylines into geometry for which I am creating a curve and an object containing this object. ...
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24 views

How to evenly space vertices along an ellipsis-loop without changing its profile

I have a number of loops that define the profile of sections of a fuselage (used a cylinder primitive). As you can imagine, these sections are varying sizes by design...most are slightly flattened ...
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2answers
48 views

How to fix model after subdivision surface mod?

1) How do i fix those 4 holes after subdivision mod / loop cuts, edge split and bevel mod doesnt help either 2) And also how to fix whole model after this mod so it will look smooth and clean without ...
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42 views

Bevel modifier geometry issue

I'm having some difficulties with the bevel modifier in blender. I am trying to bevel edges using a vertex group. In the picture is the geometry with the vertex group selected. When applying the ...
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1answer
48 views

Is Blender appropriate for learning Stereometry (a subject in mathematics)?

In some countries, senior high school students are still taught about Sterometry in which we are asked to draw a cross section between a solid and a plane, for example, as follows. Shortly speaking, ...
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2answers
297 views

is it possible to change a material depending on whether it is intersecting with another object?

Let's say I have a sphere, halfway intersecting with a cube(which is invisible to the camera). I want to change the material of the part of the sphere that is intersecting with the box, similar to ...
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1answer
32 views

How do i obtain a more rounded edge

I'm trying to trace and image with vertices but the rounded parts come out misshapen or oblong-ish. I've also done this shape in a more freeform fashion giving me excellent results, but there's more ...
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1answer
28 views

What is a non-manifold vertex?

I am experiencing a lot of issues with the topology of a specific object I am modelling. Currently I have an issue with 'non-manifold vertices on it as shown by the screen shot below: The mesh issue ...
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0answers
42 views

Non-manifold face

I recently resolved a non-manifold issue as detailed in my answer here, but I have now made another issue for myself which I cannot seem to resolve. I have been trying to reduce the amount of ...
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1answer
18 views

Specific vertices shoot off in random directions when bevelling

I am currently trying to create a basic wheel-like shape to test out blender and work out some of the key shortcuts on Mac. I am encountering an issue when I try to bevel specific edge loops, please ...
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1answer
73 views

I can't change the parameters of a primitive after creating it in Blender 2.8

In Blender 2.7 you could achieve it like that: How to edit Parameters for an Object after it is created? In Blender 2.8, when I create a cylinder for example I see the window to change the parameters ...
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3answers
663 views

How do i twist two objects together

I'm trying to do a candle stand which has two twisted pieces merging together, how do i take my ]two twisted pieces and then twist those around one another?.
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11 views

Cannot stabilize the camera to cover an entire scene of an interior model [duplicate]

When i model a house or a room camera cannot cover the entire scene. I have already tried adjusting the resolution. how can i enlarge the camera or make the scene a little smaller?
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1answer
28 views

Aligning a grouped object on the global axes

A similar question like this one exists already, but this one is much more specific. I have uploaded a model here. This model consists of 2 meshes. I have used an Empty to group them. I want to ...
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1answer
31 views

Extruding mesh with holes creates weird artifacts

I created slits in my chair mesh by subdividing then deleting faces. I wanted to a little thickness to the chair by extruding by normals. However, it created these weird artifacts. Cleaning up the ...
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1answer
54 views

Where is “Align with view” for new objects in Blender 2.8

I'm trying to follow a short video. In this video, the user creates a new plane and then checks "Align with view" in the "Add" panel: I don't see this "Add panel" in Blender 2.8. How could I ...
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1answer
13 views

Applying Transform for Group resets rotation

I have 3 items. They are grouped under "Group001". I want to rotate the group so that the object appears aligned with the axes. To do that, I edit the rotation of "Group001". Then I want to make it ...
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4answers
53 views

Rotating an object according to geometry

I have purchased a model. This model is rotated for a promo rendering. I have tried to rotate it to a zero position manually, but I find it both time taking and just not perfectly accurate. Does ...
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1answer
14 views

Separating models

I have purchased a FBX / OBJ file. Unfortunately it's not really separated. It seems to be the same model in different "poses". When I delete just the "inlay" object (the foam like object that is ...
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1answer
19 views

Any Idea how to get rid of those shading issues?

I am currently working on a knife but get some weird shading on the Blade. I am using a edgesplit modifier with sharp edges on the model. I think the cause of the problem is that on the one side the ...
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0answers
18 views

Material keeps apply to more than one face but not others?

I was able to add material to the camera and speaker holes but when I try to add that same black material to the screen that will surrounded by the white it applies it to the whole front side? Not ...
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2answers
60 views

Using existing topology to model details and grooves

I'm trying to model the Five-Seven handgun, which as you can see in the image below has some grooves running along its handle. So far, I have blocked out the lower part and am trying to add in ...
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1answer
90 views

how to use displacement node in 2.8

yea this seems super basic but it just isn't working. i've used displacements before and they've worked fine. set feature set to experimental in cycles, switch the material to displacement or both, ...
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1answer
64 views

Geometry distorting in Camera View

I was doing a YouTube tutorial called Easy Soft Body Simulation and ran into an issue where the plane that I set up for the background is distorting in camera view. It's a very simple set up with one ...
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0answers
14 views

Do any filetypes lose geometric data?

I want to know if there are any file formats the lose geometric data (exact location of vertices, UV maps) when saved so that I can avoid them. I'm guessing .dae, .fbx, .obj, and .ply should be ...
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3answers
31 views

How do I merge triangle faces [duplicate]

How do I merge these three triangle faces, which are all on the same plane, into a single pentagonal face? Thanks!
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0answers
9 views

Blender skips some un-do's

Has anyone ever had Blender skip an undo?. What i mean is. I accidentally pulled out some geometry on a mesh and when i did the un-do command it left the geometry pulled out but went further back with ...
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0answers
21 views

How to geometrically simplify a door which contains creases?

I downloaded a high-quality door from an online source and this is what it looks like: But when you examine in wireframe view, there's a lot of edges/creases: I tried changing the ...
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0answers
18 views

How do you know what will make the boolean modifier work?

The green mesh and the blue mesh are identical except the green one started out as a 3mm diameter cylinder and the blue one started out as a 6.5mm diameter cylinder. I hate to say it this way because ...
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2answers
297 views

Is there a way to calculate mean curvature of a triangular mesh?

So I've written a script which does this: Before: After: The code is: ...
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0answers
103 views

Material view in sculpt mode doesn't show material

I've been working with Blender for several years now, and I am wondering how to use a material in sculpt mode as a guide for how the mesh looks while I am sculpting it (not matcaps). Right now, all I ...
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1answer
68 views

Trim Sheets are they possible in blender?

Can trim sheets be made in blender?. And if so does anyone know of a tutorial on them, the ones i have come across all seem to be for 3DS Max.
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0answers
20 views

Can't Import .STL Files When in Binary Format

I keep running into a problem when dealing with some .stl files which are generated in binary format (There is no other option for the export setting on this digital 3D microscope). When I choose to ...
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3answers
102 views

Adding an edge loop to a pyramid

I have created a pyramid by adding a cube, then selecting the 4 upper vertices and clicking Alt + m, then "To Center": I would not like to make the sharp top "dull". There should not be a sharp end ...
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1answer
36 views

Multiplying mesh multiple times in Blender

I'm trying to create a mesh in the shape of acoustic foam. This foam is used to cancel out echoes and is also used in transportation: To create such a material, I add a cube, then I select the upper ...
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2answers
48 views

Create missing point of a rectangle from right-angled triangle

Assume you have 3 connected vertices, which form a right-angled triangle. Is there any easy way to fill in the 4th point to make it a square? I usually copy the corresponding coordinates, when the ...
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0answers
15 views

Text with no geometry in the Blender Game Engine?

I try to make an ASCII-Game with the BGE so I try to build all the levels with Text-Objects. The problem is that all the text objects will slow down the game because of their geometry. Is it possible ...
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2answers
58 views

Smooth icon, left bar 2.8. Doesn´t work like 2.7

Iam getting back to blender after some years (I was just modelling ocasionally for simple figures, getting back again). I used to use "smooth vertex" on 2.7 to make cleaner and flatter faces on the ...
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0answers
14 views

How can I get values based on the thickness of an object relative to the camera?

I'm trying to make a material that resembles some kind of liquid; it is opaque where it is thick and transparent where it is thin. I'm planning on mixing a diffuse and glass shader with presumably a ...
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2answers
77 views

Why does adding a bevel mess up a hole?

I've been trying different ways to have a beveled edge on this little box and have a hole cut out of it. I've cut the hole by deleting an existing face created with edge loops, Projecting the Knife, ...
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0answers
49 views

Way(s) to remove unnecessary Geometry?

I've got a problem while modelling my Anvil - after boolean I have a lot of geometry all over the mesh that I don't want. For example - there are a lot of squares in areas that are entirely flat, but ...
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2answers
31 views

Can an object be automatically rotated?

I have a pistol model whose rotation is a few degrees off: Does Blender have a function that would automatically fix the rotation and "align" it according to the object's geometry, perhaps like the ...
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0answers
44 views

Is there a way to link Revit to Blender “Live”

Is there a way to link Revit models into Blender with a live link? For example, I'd like to edit materials in Blender, create a scene and add meshes to fill the scene; and inside Revit, if I need to ...
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1answer
34 views

What are these handles?

I have downloaded an fbx file. When I import it into Blender, it shows some handles. Can somebody tell me what these handles are and what they're used for? Thank you!