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Arbitrary Align

by Ikari Ltd·Modeling

Illustrative cover generated by AnyPlugins — no product screenshot available.

Why we like it

Arbitrary Align earns its place in the superhive library for bringing snap-based alignment, projection, and custom reference planes to Blender's transform tools. It's a GPL-licensed add-on compatible with Blender 3.0 through 5.2.

What is Arbitrary Align?

Arbitrary Align adds a Snap Point system and reference planes to Blender for precise modeling tasks. Its Quick Match feature matches position, rotation, or scale through drag-based snapping between vertices, edges, faces, or lines, triggered by holding G, R, or S.

Reference planes act as temporary custom coordinate systems that you can orient however you want, with fully adjustable grid spacing and subdivisions. They integrate with Blender's orientations and constraints. Projection tools place mesh geometry or whole objects onto these planes along any vector, defined by edges, normals, or a line you draw.

The add-on suits low-poly and hard-surface modeling. Non-coplanar faces can be shored up by projecting vertices onto a shared plane without distortion, using custom projection vectors. A Proxy Point defines an origin once for scaling, rotation, and projection across selected objects, and planes can also mirror or bisect geometry in any direction. It also snaps object origins with a single click and moves geometry to exact coordinates in reference, global, or local space.

Who is Arbitrary Align best for?

Arbitrary Align is best for low-poly and hard-surface modeling where clean geometry matters, and precise spatial operations like aligning, matching, and projecting geometry.

How much does Arbitrary Align cost?

Arbitrary Align is completely free to download and use.

Key features

  • Quick Match: match position, rotation, or scale via drag-based snapping between vertices, edges, faces, or lines by holding G, R, or S
  • Reference planes as temporary custom coordinate systems with adjustable grid spacing and subdivisions, freely orientable and integrated with Blender's orientations and constraints
  • Projection tools that project mesh geometry or whole objects onto reference planes along any vector defined by edges, normals, or a line you draw
  • Proxy Point: define a point once and use it as the origin for scaling, rotation, and projection across selected objects
  • Mirror or bisect geometry in any direction using planes
  • Snap object origins with a single click and move geometry to exact coordinates in reference, global, or local space

Tags

#Blender#snapping#hard surface modeling#low-poly modeling#projection#reference planes#precision modeling#alignment

Frequently asked questions

Which Blender versions does Arbitrary Align support?

Arbitrary Align lists compatibility with Blender versions 3.0 through 5.2 and is marked as Blender Extension compatible. It's distributed as an add-on and published under the GPL license. If you work across several Blender releases within that range, the same add-on covers them all. Compatibility can change as Blender updates over time, so for the latest supported versions and release details, it's best to check the developer's page before downloading.

Is Arbitrary Align free, and what license does it use?

Arbitrary Align is published under the GPL license and is listed here as free. The listing references a Capricious Edition, described as the full edition with over a dozen features, and notes Dev Fund Contributor status. Pricing and licensing terms can change over time, so for the current cost, edition options, and exact license details, check the developer's page before downloading.

How does Quick Match work in Arbitrary Align?

Arbitrary Align's Quick Match feature matches position, rotation, or scale through drag-based snapping. You hold G, R, or S and snap between vertices, edges, faces, or lines without opening menus. This anchors transforms to real geometry rather than free-hand mouse movement, so you can place elements against existing points, edges, or faces directly. It's part of the toolset's approach to precise moving, rotating, and scaling in Blender.

Can Arbitrary Align fix non-coplanar faces?

Arbitrary Align can shore up non-coplanar faces by projecting vertices onto a shared plane without introducing distortion, using custom projection vectors. Its projection tools work on mesh geometry or whole objects and can project onto reference planes along any vector, defined by edges, normals, or a line you draw. This is described as especially useful for low-poly and hard-surface modeling, where clean geometry matters.

Alternatives to Arbitrary Align

Also in Modeling for Blender.

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