Doc:2.6/Manual/Modifiers/Generate/Build

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Build Modifier

Mode: Object mode

Panel: Modifiers

The Build modifier causes the faces of the mesh object to appear, one after the other, over time. If the material of the mesh is a halo rather than a standard one, then the vertices of the mesh, not the faces, appear one after another.

By default, faces (or vertices) appear in the order in which they are stored in memory (by default, the order of creation). The face/vertex order can be altered in Edit mode by selecting Sort Faces from the Search Menu Space.

Options

Build modifier in action

Start

The start frame of the building process.

Length

The number of frames over which to rebuild the object.

Randomize

Randomizes the order in which the faces are built.

Seed

The random seed. Changing this value gives a different "random" order when "Randomize" is checked – this order being always the same for a given seed/object set.