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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Best way to create a hole in a mesh? [duplicate]
I'm modelling a minigolf hole but when i create the hole with boolean modifier i see a little drop around it.
This cause the ball in the game not rolling straight as it should.
How can i solve this ...
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Does Sculpting create any new Geometry?
I am going to use some sculpting to give a better shape to a Game Character, so I would like to know if Sculpting may add more geometry, for an instance the F layer brush or the F blob brush.
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How to set child object world scale using python?
How to set child object world scale using python ?
(With the least amount of math possible)
You can read the value I try to change from:
...
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Help with smoothing surface of mesh
How do I rid my mesh of its uneven surface. I tried subdividing the mesh, but I'm wondering why the rectangular geometry still persists after so much smoothing.
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fluid in a glass
I am at beginner level. One of the projects I am doing is to create a glass with fluid. Like a glass of water or a glass of wine. Now I can find quite some tutorials on how to create the glass, but ...
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How would I add a loop cut here [duplicate]
I need to create a complex geometry at one place on my model,
so I would not use the knife tool I would add loop cuts but it doesn't let me to.
I already deleted the faces and created them again ...
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Offset for Mesh?
With text, you have a really handy control called 'offset', which allows you to easily increase/decrease the size of your letters from their centres not by changing the shape proportionally but by ...
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How to create triangle/jagged edges on a cylinder (e.g. for a lamp shade)
I'm looking for a good practice method of creating a triangle/jagged cylinder. My intention is to create a lamp shade with this zig-zag edges like the following. Basic stuff but I don't get it done.
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Do joined objects have to have internal faces removed for 3D printing?
I'm going to be putting some sculpted objects joined together in blender that are going to be 3D printed. In 3D printing do the faces that are not on the outer surface need to be removed? If they do ...
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Create a mesh from image with transparency
Is there a way to create a flat mesh from an image that has transparency, so that the mesh matches shape and does not include the transparency in the geometry?
I have tried converting my image in an ....
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How to bridge edge loops with a twist of .5?
I'm trying to make a 3D model of a twist-cut torus, like this one:
https://youtu.be/3_VydFQmtZ8?t=3m39s
The current version of the model costs about $50 in Shapeways.
I'm trying to get that down by ...
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Subdividing a mesh into convex subvolumes and tagging faces
This question has two parts
Is there an automatic way in blender (perhaps an addon) of subdividing a mesh into convex subvolumes
Given that a subdivision has been made, is it possible to associate a ...
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How to ensure there are no holes in my geometry?
I have been given a geometry like the one in the picture but find that although it is a building, there appears to be holes in the façade...
Is there any way of making sure there are no holes (see ...
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How to set object dimension
Is there a way to set absolute dimensions of an object. Once I've created a cylinder for example, how can I go back and change the length? I know I can scale it, but I want to set an absolute length ...
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Creating areas with different levels of resolution in the same model? [duplicate]
How can more resolution be added to certain parts of a model? For example, on this piece of popcorn the green areas need more detail. How can the whole model stay low poly and only quads while adding ...
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Will a straight edge with 4 vertices create ngons? [closed]
I'm using Maya but figure you guys will know the answer and didn't know where else to ask. I couldn't find an answer to my question by searching:
I've attached a screenshot below. Basically I want to ...
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Flatten mesh with no distortion [duplicate]
I am using Blender as the basic 3d tool to design the paper craft (like origami, but with die-cut).
My question is that is it possible for me to flatten the mesh with the polygon undistorted? So that ...
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Making a hollow, 3-D pipe/duct: after joining two cubes, how can I delete the surface inside the pipe/duct to make it hollow?
What is the simplest possible method for making a 3-D hollow pipe/duct out of two cubes in Blender? One example of what I'd like to achieve is shown above (I would like to do this many times and ...
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How can I determine/calculate a circumcenter with 3 points
I wanted to calculate the circumcenter of an object (for example of an cylinder).
For this purpose I use Z-mode to see the grid of an object and mark three points that are on the same circle. After ...
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I pressed something, and my object went curved
I was modeling an object, using the Maya keyboard layout, and as I was pressing Alt+2 to move the camera, my finger slipped, and the object went... strange. I've observed this effect before, but I can'...
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Preserve UVs when modifying topology
First question here. I came from a 3DSMax background, since then I've succeeded to find pretty much everything I needed to make the switch from 3DSMax to Blender, except for this : there a very useful ...
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Adding geometry (Ctrl+1) does not work as expected
Sorry for the weird title, I didn't know how to express it better.
I have created a cube to form a hat.
I then extruded the 4 bottom vertices.
I did not move them after extruding, but I simply ...
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Can't move any objects in my scene
I was modeling an object thanks to three cubes and then I made a flower with its respective "accessories", the thing is that maybe I pressed something that I don't know, because now all my objects on ...
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Does rotation by exact angle become low-precise in blender?
I faced a strange behavior of Blender while trying to make something like this:
in one of the projections. It's clear that angle B (see picture below) should be 60 degrees for trivial trigonometrical ...
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Using a volumetric spot light, it is possible to hide totally the elements that the light doesn't reach?
I'm using a volumetric spot light, and in a animation, i'm moving the light so it shows some elements, and for now i got there three objects, but i do want to know if for example it is possible to ...
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Set origin to geometry center
I would like to center the origin on the geometry. How can I do that ?
I've tried with 'Origin to Geometry' but it doesn't seems to work correctly. Indeed, on the screenshot, we can see the origin is ...
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Duplicate Modifier parameters in other objects? [duplicate]
I have multiple objects, all of them are almost the same but scaled or with little modifications, i applied a modifier to one, but i need the same exact parameters to all the other objects, it is ...
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Why is one face on my model gray instead of orange in edit mode?
I'm relatively new to Blender and mainly use it for viewing 3D geometry in various formats (such as OBJ). Currently I'm writing my own mesh voxelizer, and my program has support for outputting the ...
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Ways to create a cylindrical shell (annular volume)?
The only way I know how to make a cylindrical shell is to
ShiftA, Cylinder, to insert a cylindrical mesh.
ShiftA, Cylinder, to insert another cylindrical mesh.
SZ2Enter, to double the height of the ...
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How do I eliminate a harsh lighting issue on my cylindrical glossy model?
I am new to blender and have recently created my first model. I created the mesh and then textured it, added a world environment texture, and rendered it only to find a very dark harsh "shadow" ...
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Blender for Mathematics Visualization
EDIT: For those believing that Blender is good for mathematics or want to prove it, this may be helpful: Blender + Mathifold. I hope it does indeed meet the aspects I need Blender for.
I have ...
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How can I properly form text from particles?
I'm using cycles and particles that form text. I've got every letter separated, and while the particles form the shape, it doesn't properly 'fit' the shape or cover all of the surface of the object, ...
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Weird connecting lines with no edges/vertices
Anyone able to explain this and how to kill it? New to Blender. Not sure of any terminology otherwise I'd try to search for my own answer. I even tried ⎈ CtrlF to create new faces hoping to ...
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What's the difference between Normal and True Normal?
In the Cycles node editor, for materials, you can get some information about the object, which the material is being applied to, by using a Geometry node.
Among ...
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Toggle button to occlude geometry missing
I cannot see this button anymore, even though I am in edit mode.
Is it possible to hide or delete it accidentally? I need this button back pretty badly, since I dont want to select nearby geometry ...
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I am having problems with how an object appears to be shaded?
Why does this happen? What am I doing wrong. It looks horrible
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Matching point locations: Relative translation, preserving surrounding geometry
How can I move the tip of the pyramid so that it sits at the top of Suzanne's ear (pictured below, the noted point is highlighted)?
The objects and their origins need to stay the same.
If all of the ...
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Lining edges up: Make features collinear, preserving surrounding geometry
How can I make the leading edge of the left wedge collinear with (so that the edges lie within the same line) the leading edge of the right wedge (pictured below, edges highlighted)?
The objects and ...
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Smooshing faces against each other: Making features coplanar, while preserving surrounding geometry
How can I make the base of the pyramid coplanar to (smooshed up against, so they are flat against each other) the slanted face of the wedge (pictured below)?
The objects and their origins need to ...
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Which tool allows bending a mesh?
In the feature video of version 2.72 the mesh intersection tool is introduced. Which tool is used to bend the scaled and loop-cut cube here?
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Loop-cut won't go all the way around
Alright so I've seen some postings about loop cuts and done some research. I am very new to blender and modeling overall. I am trying to loop cut this concrete barrier. Now I'm following a tutorial ...
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Export geometry to Ansys or other 3D CAD programs? [closed]
I'm a new user of Blender and I would like to know if I can export after-render geometry (in particular I would like to simulate falling spheres in a tube) in order to use it in a different program (...
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How to make a circular swipe?
I'm trying to make a video similar to this one (Made in Adobe After Effects)
https://www.youtube.com/watch?v=YAV5DwR1pU8
But I don't know how to make the circle disappear than reappear with a circular ...
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Remove extra geometry from objects
Is there a tool or an easier way to remove unneeded geometry from objects? Mostly when using a "Displace" modifier, on many places there are flat surfaces where there is extra geometry on the mesh, ...
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How to map surface in retopologizing [closed]
I decided to practice a bit with blender and I was trying to create a head following this tutorial on net:
Creating a Realistic Head in Blender
It is speed up so its hard to sometimes figure out what ...
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How could I transform the vertices of my mesh to appear in Perspective view, as it does in Orthographic view?
I have a model that appears to have fake depth, where objects in the geometry are smaller rather than further away. That said, the model looks fine in orthographic view (if you position the camera ...
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How do I fix this triangulation issue?
I have this mesh of a ridge that I originally made by simply using the knife tool across a plane. This left me with a very disproportionate amount of vertices in the y-axis.
As I currently understand ...
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How does blender calculate the catmull-clark subdivision mesh including edge creases?
A basic description of the catmull-clark subdivision algorithm can be found here and on this page (it seems that blender does not differentiate between corner and side case - tested with this python ...
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Hyperbolic Solids in Blender?
How can I construct hyperbolic solids (hyperbolic cube, tetrahedron, etc.) in Blender?
Below is a picture of a hyperbolic cube:
Here is some more information on hyperbolic solids.
Just to be ...
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