NodeBook • Page 6 of 7 • B3D

How to show parameters from Geometry Nodes inputs on a custom UI panel

2 Comments / Blender 3D / Nikita / 29.09.2021

Input parameters from Blender Geometry Nodes are automatically placed on the “Geometry Nodes” modifier panel in the “Properties” window on the modifier tab. However, this tab is not always open, and it is not always convenient to switch to it to adjust values. For quick access to the input parameters of Geometry Nodes, we can duplicate them on the custom panel in the 3D Viewport window.

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Using UV coordinates for working with mesh geometry

Leave a Comment / Blender 3D / Nikita / 25.08.2021

With the coordinates of the UV, we can manipulate not only materials but also the geometry of the mesh itself. We can connect the UV coordinates with the mesh geometry using “Geometry Nodes” in Blender.

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Mixing materials by the UV coordinates

Leave a Comment / Blender 3D / Nikita / 23.08.2021

UV coordinates can be used for mixing materials directly on the mesh. This can be useful if, for example, the shape of the mesh is cylindrical or closed or the UV boundaries correspond to the boundaries of the mesh.

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Ortho lighting

Leave a Comment / Blender 3D / Nikita / 02.06.2021

When the scene is lighted with “Spot” or “Point” light sources, the rays from such lamps do not propagate in parallel. This makes noticeable distortion, for example when lighting with textures.

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The parallel ray’s propagation (orthogonally to its plane) we can get from the “Sun” lamp, but such light source does not support lightning with textures.

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How to show all available nodes

Leave a Comment / Blender 3D / Nikita / 28.09.2020

We can get a list of all available shader nodes by their type.

To start, add any object to the scene, for example, a cube, create material for it, and delete all nodes. Here, in this material, we will display all the shader nodes available in Blender.

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Blender EEVEE transparency blend modes – Multiply and Additive

2 Comments / Blender 3D / Nikita / 17.08.2020

In Blender 2.83 in the EEVEE render engine the “Additive” and “Multiply” modes that were present in Blender 2.80 were removed from the possible transparency blending modes.

But if you need to use these transparency blending modes in Blender 2.83, you can get them with nodes.

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How to randomly shift texture on objects

Leave a Comment / Blender 3D / Nikita / 22.04.2020

To shift the texture randomly on different objects, the easiest way is to change its location along any of the axes by a random value.

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Random Per Island

Leave a Comment / Blender 3D / Nikita / 20.04.2020

In Blender 2.82 we can get a random index of UV islands in the Shader Editor through the “Geometry” node

Works only for the “Cycles’ render engine.

Simple way to manage the SSS radius

Leave a Comment / Blender 3D / Nikita / 15.01.2020

In Blender 2.81 with the “Vector Math” node we can simple regulate the subsurface radius:

Get Specular reflections from IOR

Leave a Comment / Blender 3D / Nikita / 20.09.2019

The official Blender documentation provides a method to get the “Specular” value for the PBR-material reflections if the “IOR” value is known. To get the “Specular” value from the “IOR” value, we can use the following equation:

It is not difficult to create it with nodes:

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