
LoopTools
by Community
LoopTools is a mesh modelling toolkit for Blender that gathers several tools to aid modelling. It was previously part of Blender 4.1's bundled add-ons and is now offered as an extension, provided as it is with limited support.
by smice·Modeling
Images © smice. Used for product review; image policy.
Earns its place in the Superhive library as a niche curve-generation tool that turns mathematical parameters into geometric Blender designs, released under an MIT license.
Curve Spirograph Add-on + Extend File brings Spirograph-style pattern generation into Blender. Built with Python, it integrates into Blender's interface and provides a specialized tool for generating and manipulating curves based on Spirograph-like shapes, ranging from simple circular patterns to highly detailed, abstract designs.
Once activated, the add-on offers a simple interface for configuring parameters such as radius, frequency, and curve style. These parameters control the appearance and complexity of the Spirograph. Image previews are integrated to make navigation easier when selecting pattern types. Adjusting these mathematical parameters lets users generate unique and complex designs quickly.
The add-on suits designers working on generative art, abstract visualizations, and decorative patterns. In Blender, the resulting curve-based patterns can be further manipulated, animated, or converted into meshes for 3D modelling purposes. It works with Cycles and Eevee, and separate files are provided for newer Blender versions, including a V5-plus version for Blender 5 and up. Documentation is included.
Curve Spirograph Addon + Extend File is best for designers working on generative art, abstract visualizations, and decorative patterns in Blender.
Curve Spirograph Addon + Extend File is completely free to download and use.
Curve Spirograph Add-on lists compatibility with Blender versions 3.6 through 5.1. For Blender 4.29, 4.3, and 4.5, you download the newer "spirocurve-new.zip" add-on file, while a V5-plus version is provided for Blender 5 and up. It is marked as Blender Extension compatible and registers as an add-on type extension, so check the documentation to match the correct file to your Blender release before installing.
Curve Spirograph Add-on lists Cycles and Eevee as the render engines used, so patterns generated with it can be rendered in either. Because the add-on produces curve-based Spirograph designs that can be manipulated, animated, or converted into meshes, the choice of engine follows your standard Blender rendering setup. Refer to the included documentation for guidance on working with the generated curves in your scene.
Curve Spirograph Add-on is listed as free in this catalog and is distributed under an MIT license. For current licensing terms and any conditions attached to distribution or use, check the developer's page directly. The add-on also ships with documentation, which is the best place to confirm details on setup and usage alongside the license information provided by the creator.

by Community
LoopTools is a mesh modelling toolkit for Blender that gathers several tools to aid modelling. It was previously part of Blender 4.1's bundled add-ons and is now offered as an extension, provided as it is with limited support.

by Community
Extra Mesh Objects is a Blender add-on that expands the Add > Mesh menu with additional mesh object types. Previously bundled with Blender 4.1, it now ships as a standalone extension for Blender 4.2 LTS and newer.

by nickberckley
Bool Tool brings quick boolean operators to Blender for hard-surface modeling, covering brush booleans, destructive auto boolean cuts, and workspace tools that carve objects with custom shapes in both object and edit modes.

by Community
Extra Curve Objects is a community add-on for Blender that adds extra curve object types. It lives under View3D → Add → Curve → Extra Objects and was previously part of Blender 4.1's bundled add-ons.

by MACHIN3
MESHmachine is a mesh modeling addon for Blender focused on hard surface work without subdivision surfaces. It fuses and unfuses surfaces, creates variable fillets and washouts, edits bevels, and details meshes with plugs.

by Community
A.N.T.Landscape is a Blender add mesh add-on for generating landscapes and displacement. Originally a bundled add-on in Blender 4.1, it's now offered as-is with limited support, accessed from the View3D sidebar's Create tab.