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Questions tagged [subdivision-surface]

Use this tag for questions involving Blender's Subdivision Surface modifier

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0 votes
2 answers
95 views

How do I go about adding supporting edges to hold this shape without increasing density on sub-d model

I have this spot with a steep gradient in a ship hull I'm modeling I want to add some supporting edges around this to hold shape since I am using sub-d for this model. This is my attempt at it but it ...
0 votes
1 answer
23 views

Why does adding a subsurf modifier cause top face to stay flat?

My very new to blender not sure what is going on. I'm yet to round of the corners as it doesn't seem to affect the main edge. Here's my current model Screen shot of the other side But once I add the ...
0 votes
0 answers
52 views

Blender 3.5 file crash after increasing subdivisions

I cranked up the subdivisions on a mesh in my scene and the file totally froze up - now any attempt at opening it will crash Blender. Is that scene just not workable anymore or is there a way to solve ...
3 votes
4 answers
1k views

Corner gets skewed by subdivision surface

First of all I'd like to specify that I'm new to Blender and I can do only very basic stuff. That said, I'm trying to model a sink and I need it to have corners with a given radius. I started by ...
2 votes
1 answer
168 views

How can I replicate edit-mode "Subdivide" in a non-destructive way?

The First Shape is using a catmull-clark smooth modifier, and the second shape is using the subdivide option in edit mode. I want to know if there's a way (maybe using geo nodes?) to subdivide an ...
0 votes
1 answer
21 views

Draw sharp tool / subdivide

I made a head with the cube. I added a cube and turned it into a sphere by subdivision surface but now I'm trying to sculpt the face, and I noticed that I can't use draw sharp tool because of the ...
0 votes
1 answer
37 views

The quickest way to build wanted faces and delete unwanted faces

By enabling the Subdivision modifier, the newly generated vertices are twisted in a weird way as shown on the screenshot. Why? Reason: Although points D and C are connected by an edge, the points ABCD ...
2 votes
2 answers
8k views

Can't use the Ctrl+2 shortcut to add a SubSurf Modifier

This is not so important for me, but still when i try to put a sub surface on with control 2 it won't work for me. I can always put it in the modifiers panel but it always bugs me why i cannot do it.....
1 vote
0 answers
41 views

Mesh edges become unsmooth/ jittery

Objects i draw in this file, lines become jitter, and i can't seem to find the exact probelm why. There doesn't seems to be anyone talking about it online. Maybe i messed up the setting i dont know. ...
2 votes
1 answer
66 views

Pinching problem with Sub surface modifier

I tried to make the compensator for an AK-74, but I encountered the following problem. I don't know how to solve it, bevel doesn't work as it's supposed to because after using bevel some verticals ...
0 votes
1 answer
19 views

Weird edges after sub d

I am trying to model a fish, I have a very simple model with quads only and a mirror and a sub d modifier, however when I turn on the sub d I get weird edges on top and bottom of the fish. after sub ...
0 votes
0 answers
57 views

Pinching problem

So I have a 3D model with the following problem - one vertex is kind of holding too much topology in once. I am not entirely sure as to how I can fix this pinching issue (maybe separate it, but how ...
0 votes
0 answers
94 views

Weird topology display bug(?) likely caused by subdivision surface modifier

Originally, everything worked fine, but suddenly my blender started displaying the topology as shown in the following image. The vertices are also not changing their color when selected, and they aren'...
0 votes
0 answers
30 views

How to properly export a 3d kitchen sink model that uses subdivision surface to Unreal Engine?

I have a very basic model that resembles a kitchen sink. When I export it to unreal engine with the default settings for FBX, the model imports with the sink park deformed and lacking metallic silver ...
3 votes
1 answer
219 views

Subdivision Modifier doesn't make geometry smoother

I have this problem with this model. When I tried to make it more smooth by adding Subdivision Modifier, almost nothing happened. I do not know what to do. I don't just want it smooth shaded, because ...
0 votes
0 answers
12 views

Strange line after merging two objects

I joined two objects and after merging their vertices there is a strange line when using subdivision surface modifier. I already checked for duplicates vertices and internal faces. Anyone has an idea ...
1 vote
1 answer
153 views

Loop cuts, creases or bevels?

I'm still trying to figure out how to keep meshes simple. I'm trying to use a sub surf to create my model, see attached. Figuring out how to insert proximity loops without inserting masses of geometry ...
2 votes
1 answer
70 views

Weird topology when using subdivision on a cylinder

I'm creating a cylindrical shape and I'm getting weird topology when use subdivision surface modifier, I tried to add loops across the Y axis of the cylinder, but it made the edges on the Y axis sharp ...
2 votes
1 answer
343 views

Subdivision modifier turns mesh into one dimension object

I get this strange error every time I apply the subdivision modifier. Could you please say what can cause this? Thank you!
1 vote
0 answers
83 views

How is the Catmull Clark algorithm calculated mathematically in Blender?

https://en.wikipedia.org/wiki/Catmull%E2%80%93Clark_subdivision_surface When I tried to find the location of the 'new vertex point' using the algorithm in the link above, the results were not the same ...
0 votes
0 answers
178 views

Preserve texture and weight paint while subdividing

I am currently working with a low poly character that is rigged and I have already developed my game with it. Now I want to convert its mesh to a high poly one to get rid of hard edges during ...
0 votes
0 answers
239 views

subdivision surface modifier crashes when i use it

The subdivision surface modifier in pretty much all versions of blender except for 2.8 crash as soon as I use them. I'm currently using a lenovo thinkpad t450 if that helps anyone find the issue. The ...
0 votes
0 answers
26 views

Surface Material effects more than the selected object

I'm applying a glass material to the surface of an object in my scene. In this case the 'V_' Why does the surface effect also happen to the backdrop? I only want the effect on the 'V_' Thank you
0 votes
0 answers
28 views

Shrinkwrap - applying subdivision surface changes the look of the object

May i have a question about applying subdiv modifier in shrinkwrap? I have an issues with correct projecting of an image, i found that i might have to apply modifiers and UV project it on final mesh. ...
1 vote
2 answers
1k views

Can you use Geometry nodes to subdivide a face but only along certain edges?

As the question says, I would like to subdivide a face using geometry nodes but only in one direction (the direction with the longer edges). Using standard tools I would just select the edges and ...
0 votes
0 answers
28 views

Product modeling

This is Smit from India. I am stuck somewhere while modeling a product. It is not so complex but I am new in Blender so I am finding difficulties rn. Looking forward to having a solution. Product ...
0 votes
0 answers
36 views

How can I select a particular subdivided surface (the mini square inside the cube) after the subdivision surface modifier has been applied?

I want to delete a particular subdivided surface to create a cavity. I'm in edit mode, chose the face select mode. I tried to zoom in to the subdivided object inside the cube, but I could only select ...
0 votes
0 answers
118 views

Subdivision Surface on a vertex group

It would appear that this answer is not longer available in 3.5.1? Paraphrased: "there isn't a feature Subdivision Surface modifier to limit it's effects to a vertex group instead of all the ...
1 vote
1 answer
27 views

big problem to subdivide a face

impossible to subdivide the side that I have selected, there must be double sides, I have tried everything, on the other side of the chest, I can subdivide but on this side, it is impossible, I am ...
0 votes
1 answer
35 views

Error with my model's legs

Ok so, basically I have this error where my model's legs aren't connecting may someone let me know how to fix it?
1 vote
1 answer
31 views

Subdivision surface working except for one edge loop

I hadn't been using Blender for several years. I forgot a ton of stuff. I'm doing Subdivision Surface Modifier on an object. I can see it works, when I change the Subdivision resolution or click show/...
0 votes
0 answers
45 views

How Can i make an object look less subdivided when it is not closer to camera?

I know there is some way to make an object look actually subdivided when it is closer to camera and when the camera goes far from the range the object looks less subdivided in blender? Can someone ...
3 votes
1 answer
101 views

How can I make a perfect Subdiv dome shape with 12 vertices at the bottom?

I am trying to make a perfect subdivision modifier dome shape (i.e. no surface distortion with subd enabled) that has 12 vertices at the bottom (i.e. where the dome connects to another shape I am ...
0 votes
3 answers
2k views

unchecking Optimal Display for subdivision surface modifier not working in edit mode

Hello im a newbie and i am stuck trying to figure out why unchecking Optimal Display for subdivision surface modifier not working in edit mode but will work in object mode. Seems crucial for modeling.
1 vote
1 answer
38 views

How can I avoid Subdivision modifier "oversmoothing" mesh after applying?

I am modeling different parts on my car model but for some reason this wheel cover model gets deformed after applying Subdivision surface modifier. Levels Viewport is set to 2. Before and after ...
0 votes
1 answer
62 views

Unable to change color for part of an object

I am trying to set color to red for the lower spherical part of the object (shown in the picture). It seems that there is a strip of surface whose color cannot be changed despite being selected. Would ...
0 votes
0 answers
129 views

Correct topology for a hexagonal cutout

I am modelling some detail with a hexagonal cutout and try to get the correct topology. What should the right topology for SubD of a hexagonal cutout look like? The question concerns specifically ...
0 votes
0 answers
78 views

Subdivide multiple faces at once?

I would like to Subdivide several faces at once? and vertically, without having to make a face by a face, I would like to know how to do for future larger modeling Thanks
7 votes
3 answers
1k views

How to subdivide triangles into four triangles with Geometry Nodes?

I need to subdivide a mesh of equilateral triangles so that each triangle gets subdivided into four new equilateral triangles. I want to use Geometry Nodes because I want to set the subdivision level ...
0 votes
0 answers
96 views

Issue after merging two objects

when I merge two objects, something happened to the first object. actually, they are two different objects. when I join together 1st object shape has been changed that shown in second photo. I used ...
1 vote
1 answer
198 views

Is there a way to subdivide only largest triangles?

I have a STL mesh from the internet, which has curved surfaces (higher resolution) and flat surfaces (lower resolution/large faces). This causes issues when sculpting at interfaces of those two areas. ...
0 votes
0 answers
31 views

Triangular Mesh

I have imported an IFC model into Blender for texturing and rendering purpose. The issue I have is that every geometry comes as triangulated mesh, which means adding different texture onto some part ...
3 votes
1 answer
220 views

How to get smooth triangle shape when subdivision modifier

Is there any method getting a smooth triangle shape when subdivision modifier is applied to a mesh? (Without using Boolean modifier).
1 vote
1 answer
40 views

How can I solve this artifact (or bad shading) caused by this tri-gon?

This might be a stupid question as there's a chance that without the file it's not possible to figure out how to solve this, but: I am modeling a Daihatsu Midget and I can't figure out how to replace ...
0 votes
0 answers
34 views

subdivison not working properly in render

following a blender guru tutorial but the subdivision on the front side of the model is not displayed properly, please help me as i am starting new in this software
0 votes
1 answer
700 views

I have way too many triangles on my mesh

I have way too many triangles on my mesh, I used Decimate to reduce the number of faces while keeping the shape smooth, but I destroyed everything. I saw that we could reduce the number of face, with ...
1 vote
1 answer
38 views

Lightning not as jagged as per tutorial?

I tried to follow this guy's tutorial. While his lightning looked like this , mine looked like this: Basically, I would like my lightning to be more jagged like in this youtube tutorial's. How do I ...
0 votes
2 answers
150 views

How to keep a vertice (or two edges) sharp (without crease) when Subdivision Surface modifier enabled?

I'm trying to make this car model but as soon as I stumble upon a panel with a sharp corner I have no clue what to do. I would like to make this: Into this: Without using Shift + E crease because ...
1 vote
1 answer
74 views

How to avoid/rectify pinching

How do I avoid and/or rectify the pinching, that is quite visible even with a subdivision-surface modifier active, that seems to be the result of one extra edge joining at a vertex? I tried shrink ...
0 votes
0 answers
150 views

What causes non-perfect circles in subdivision?

I've noticed sometimes that when subd modeling, and using "Loop Tools > Circle," I still end up with a circle that isn't perfectly round. A good example is this first example on the left. ...

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