# Questions tagged [nurbs-surface]

A NURBS Surface is a mathematical model representing a surface. Use this tag for any questions pertaining to the "Surface" Object type in blender.

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### Parametizing parabolic nurbs surface

Wireframe of nurbs selected, default z-surface parabola underneath How to model an accurate parabolic mirror with a known focal point? Animating z surface math functions Reminded me of an afterthought ...
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### why is my displacement map not sharp?

The displacement map is an animation of the letters being engraved in the metal. The animation itself works just fine. The only problem is the edges of the letters. How can i get them straight instead ...
• 21
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### Create a Nurbs Circle Surface using python

I am trying to achieve the following post I see doing this two ways. Create a large circle and small circle and fill the inbetween. Perform the same steps as the GUI programmatically, create NURBS ...
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1 vote
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### Is it possible to use blender to create a curved surface based on an original formula instead of the one used to create NURBS?

The way curved surfaces are created by computers is, for each conceivable point on a rectilinear surface, a formula is applied which evaluates the position of control vertices to determine where in ...
1 vote
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### Triangulated mesh to Nurbs surface conversion

I am looking for a feature/workflow/add-on for blender to convert triangulated meshes into a nurbs surfaces. While looking on the internet for a solution I found this software that looks like it does ...
• 23
1 vote
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### How to get every resolution vertice's coordinates of Nurbs curve instead of control point without converting mesh

How to get every resolution vertice's coordinates of Nurbs curve instead of control point without converting mesh using python? That is get the green point's coordinate
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1 vote
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### Curvature evaluation possibility/tool in Blender

Are there any ways to evaluate curve and connection quality (like Curvature Comb Tool)? I really appreciate any help you can provide.
1 vote
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### How to snap NURBS Surface Curve to vertex-es?

I've noticed strange difference between how snapping work for NURBS Curve's and NURBS Surface Curve's - for the second, it always snap to increment, even if different snap target is selected. I mean, ...
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1 vote
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### Join multiple NURBS circles without collapsing circles/losing positions?

I'm trying to join and fill multiple NURBS circle surfaces (similar to the YouTube video here https://www.youtube.com/watch?v=_kGmh9r6pkE) but when I join my circles, they collapse into one circle, as ...
• 11
1 vote
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### Is it possible to have mesh with NURBS editable surface

I have a mesh that has flat top and bottom and I want to know if it's possible to edit the top and bottom just as if they were NURBS surfaces. I have an example cube and two NURBS surfaces: And I ...
• 171
1 vote
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### Q Automated surface generation?

I have a NURBS surface definitions (i.e. the control node positions) but want to automate the generation of the surface in Blender. Currently I generate a flat regular grid of control nodes by ...
1 vote
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### a single face in an object is shiny in solid mode and showing a strange gradient color in render

This is a door that I'm making. There is nothing special about it. It somehow has one face (A) that is different than others. I've tried flipping the normal, deleting the face and remaking the face. I ...
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### Creating smooth surface on vertices

I basically have this: and I want to get this: I already tried creating a Nurbs curve and getting it on this, but that really sucks. So yeah...
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### Creating particle system emitting nurbs sphere

I'm new to blender, and using it for science visualisation. I'm working with a large number of points and would like to use nurbs sphere as particles to make everything run more smoothly. However when ...
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### Blender model not importing to Roblox Studio

I've just gotten into Blender because I want to make assets for a game of my own in Roblox however I've ran into a problem where my model doesn't appear when I export it as FBX into Roblox Studio. An ...
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### Is it possible to slide NURBS control points along rows?

For a mesh, I can hit 'G' twice and drag a vertex along connected edges. This could be very useful when working with NURBS surfaces, as I am now inclined to for a specific model; however, double-G ...
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### How do I fix this nurb path hair with head posing problem

I'm trying to pose my character and made the hair all up of individual nurb paths but when I move the head with a bone attached to it with automatic weights it moves only the head and not the hair as ...
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### Symmetry in edit mode for NURBS

Are the symmetry constraints: available for NURBS curves/surfaces? With the latest Blender, the buttons above are not visible for NURBS, but perhaps there is another way. Example, given this NURBS ...
• 205
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### Edit the resulting NURBS surface of a bevelling

These are the editing handles for a NURBS torus: Let's say I want to create a "torus" on an arbitrary NURBS curve. I read I need to use the bevel feature: (by the way, I was expecting a ...
• 205
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### How to use 3d texture for surface?

i have downloaded model from poly haven and this is what i got, does anyone can help me how to turn this into surface? sorry, I'm just a newbie
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### Create Surface over Hair Curves Blender 3.3.1

This is my first time using blender, I am trying to make a face and 3D print it. I have made the hair using blender's built in hair feature (the "empty hair" under curves). I modify it a bit ...
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### move vertices of nurbs relatively to neighboring vertices

Is it not possible to move vertices relative to each other in when editing the nurbs curve? When I select a vertex, the neighboring ones tend to follow it, i would like to avoid this. See attached gif....
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### How do I convert a DXF mesh to a solid surface?

I want to import a DXF mesh, and export a solid model for 3D printing. I need to convert the DXF mesh to a solid surface (and then extrude it). Can Blender do this?
58 views

### How to get the applied material on Surface/Curve Object type with Python?

I would like to understand if it is possible to determine and how, through Python, which of the materials of the ob.data.materials is really applied to the object ...
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### How to see 'Edit points' on the NURBS curve in Blender? (Equivalent to 'Edit Points' of 'CV Curve Tool' in Maya.)

Blender: Maya: How do I make these points visible? I see the control points and the hulls but not the edit points which normally stay on the line of the NURBS curve. For those who have never used ...
149 views

### Changing the shape of a Nurbs Path that's already animated

I don't think I asked my question to its fullest earlier. I have a NurbsPath animation. The tube NurbsPath shape wraps around the cylinder. Is there a way to alter the shape of this object (NurbsPath) ...
50 views

### create 2D surface which exactly covers given irregular surface

I want to make a 2D surface which exactly follows the undulations of another surface. If the given surface looks like the attached one; how can I create another surface which exactly covers it without ...
228 views

### Camera not staying on nurbs path

my camera won't stay exactly on the nurbs path (there's a small space between them) and then it randomly jumps onto it near the end. I've checked for any rogue keyframes, cleaned keyframes and made ...
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### Curvature combs/ curve and surface evaluation tools

I have just started learning about blender and came from the world of Alias Auto Studio. As I try to play with the Nurbs curve tools, I couldn’t find any tools to help evaluate curve and connection ...
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### Object dissappearing when rotating

I m new to Blender and I am using Blender 2.8 My problem is that after an operation where I loft a Nurbs circle along a NURBS path using bevel and applied a subsequent taper using a second NURBS cirle ...