Build Modifier

The Build modifier make strokes appear or disappear in a frame range to create the effect of animating lines being drawn or erased.

Options

../../../_images/grease-pencil_modifiers_generate_build_panel.png

The Build modifier.

Mode

Determines how many strokes are being animated at a time.

Sequential
Strokes appear/disappear one after the other, but only a single one changes at a time.
Concurrent

Multiple stroke appear/disappear at a time.

If enabled you can set the Time Alignment.

Time Alignment
Align Start
All stroke start at the same time (i.e. shorter strokes finish earlier).
Align End
All stroke end at the same time (i.e. shorter strokes start later).

Transition

Determines the animation type to build the strokes.

Grow
Shows points in the order they occur in each stroke, from first to last stroke. (Simulating lines being drawn.)
Shrink
Hide points from the end of each stroke to the start, from last to first stroke. (Simulating lines being erased.)
Fade
Hide points in the order they occur in each stroke, from first to last stroke. (Simulating ink fading or vanishing after getting drawn.)

Frame Range

Start Delay
Number of frames after each Grease Pencil keyframe before the modifier has any effects.
Length
Maximum number of frames that the build effect can run for. (Unless another Grease Pencil keyframe occurs before this time has elapsed.)
Restrict Frame range

If enabled, only modify strokes during the specified frame range.

Start/End
Determines the start and end frame for the build effect.

Influence Filter

See Influence Filters.