
Citigen
by CITIGEN
Citigen is a Blender add-on for building large-scale cities from simple input: lines and planes. Add lines on a plane and they become overpasses or bridges, dividing the plane into city blocks.
by Blender Bash·Modeling
Images © Blender Bash. Used for product review; image policy.
B.B. Nodes Add-On stands out in the superhive library for the breadth of its collection: 98 custom node groups reachable from a single submenu, backed by a 192-page user guide.
B.B. Nodes Add-On is a Blender add-on from Blender Bash that creates a custom submenu inside the Add menu of the geometry nodes workspace. From that submenu you reach a set of custom-made node groups built to improve and speed up procedural modeling with Geometry Nodes.
The add-on currently provides 98 group nodes. Among them are Inset, Array, Offset, Extrude along path, Bend, Taper, Screw, Twist, Stretch, Solidify and Mirror, alongside many others. A 192-page user guide documents every node in the collection, and a demo video is available.
The add-on has been updated across many releases, with the latest reaching version 2.1.2 for Blender 4.2.0 or higher and earlier builds targeting Blender versions from 3.3 through 4.x. It is distributed under the GPL license and is marked as Blender Extension compatible.
B.B. Nodes Add-On is best for blender users working on procedural modeling with Geometry Nodes who want ready-made node groups reachable from the Add menu.
B.B. Nodes Add-On is completely free to download and use.
B.B. Nodes Add-On reached version 2.1.2, released for Blender 4.2.0 or higher, so it works with Blender 4.2. Its release history tracks Blender closely: version 1.2.1 targeted Blender 3.3 and older, the 1.3.x series covered Blender 3.4.0 or higher, 1.4.1 moved to Blender 4.0.0 or higher, and 2.1.1 arrived for Blender 4.2.0. The listing also marks it as Blender Extension compatible. For the exact build that matches your Blender version, check the developer's page.
B.B. Nodes Add-On adds a custom submenu inside the Add menu of Blender's geometry nodes workspace. From there you reach its custom-made node groups, which cover procedural modeling operations such as Inset, Array, Offset, Extrude along path, Bend, Taper, Screw, Twist, Stretch, Solidify and Mirror, among many others. In total it provides 98 group nodes. A 192-page user guide documents all of them, and the developer's page links to it for reference.
B.B. Nodes Add-On is distributed under the GPL license. It is also listed as Blender Extension compatible and installs as an Add-on. That means you can use it within Blender's geometry nodes workspace under the terms of the GPL. For the full and current licensing terms, along with any usage details, refer to the developer's page maintained by Blender Bash.
B.B. Nodes Add-On is listed as free in this catalog. Licensing and availability can change over time, so for the current terms and any purchase details, check the developer's page maintained by Blender Bash. The add-on is distributed under the GPL license and is marked as Blender Extension compatible, installing as an Add-on within Blender. A 192-page user guide is available to help you get started once it's set up.
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Citigen is a Blender add-on for building large-scale cities from simple input: lines and planes. Add lines on a plane and they become overpasses or bridges, dividing the plane into city blocks.

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