by Nick Barre·Modeling
Images © Nick Barre. Used for product review; image policy.
World Align earns its place in the superhive library by narrowing a fiddly modelling chore down to a face selection. Rather than rotating and eyeballing an object into place, you tell it which two sides define the alignment and let it bake or orient from there. The option to select multiple faces per side is a considered touch for scan-heavy work.
World Align is a Blender add-on for orienting meshes without measuring angles by eye. You select faces on two sides of a model, and it either aligns the object to the world or bakes the object's rotation angles into its transforms, depending on the option you pick.
The add-on is built for a handful of specific tasks: baking the rotation angles of a rotated object with reset transforms, orienting an object parallel to the world with reset transforms, and aligning a cylinder that has an odd number of segments. The two sides you choose don't need to be perpendicular, and you can select multiple faces per side. That last point helps with surfaces that aren't perfect and carry some noise, such as 3D scans.
World Align lists support for Blender 2.8 through 3.0 and ships under a Creative Commons license. Documentation is provided, and a demo video is available. It was published over five years ago, so it's worth checking the developer's page for current compatibility before use.
World Align is best for modellers dealing with rotated objects, 3D scans, and high-poly models with unknown rotation who need clean transforms without measuring angles manually.
World Align is completely free to download and use.
World Align lists compatibility with Blender 2.8, 2.81, 2.82, 2.83, 2.9, 2.91, 2.92, 2.93 and 3.0, covering the 2.8 series through 3.0. If you're on one of those releases, the add-on is designed to run within it. For Blender versions newer than 3.0, compatibility isn't stated here, so it's worth checking the developer's page before relying on it in a current setup or updating an existing project.
World Align works from a face selection. You pick face(s) on two sides of a mesh, and the object is either aligned to the world or has its rotation angles baked into its transforms, depending on the option you choose. The two sides you select don't need to be perpendicular to one another, which gives some freedom in how you approach an awkwardly oriented model. It's built around this selection-based approach rather than measuring and adjusting angles by eye.
World Align lets you select multiple faces for each of the two sides, which the developer notes is useful when a surface isn't perfect and carries some noise, such as a 3D scan. That makes it suited to meshes with unknown rotation and dense geometry, where picking a single clean face would be unreliable. Once the two sides are chosen, the add-on can bake the rotation angles or orient the object parallel to the world.
World Align is listed as free in this catalog and is distributed under a Creative Commons license. Licensing terms and any current pricing can change, so check the developer's page for the latest details before you download it or use it in a project. The add-on was published over five years ago, so confirming its current status on the creator's page is a sensible step if you plan to build a workflow around it.
World Align can align a cylinder that has an odd number of segments, one of the specific cases it's built to handle. It also covers baking the rotation angles of a rotated object with reset transforms and orienting an object parallel to the world, again with reset transforms. These are the alignment tasks the add-on targets, all driven by selecting faces on two sides of the mesh rather than adjusting values by hand.
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