In Motion, the Grid generator creates a grid pattern made of two color lines.
Apple Motion
Use dynamic guides and snapping in Motion - Apple Support
Motion User Guide - Apple Support
Controls common to all generators in Motion - Apple Support
Browse for behaviors in Motion - Apple Support
Slides & Grids Overview
Grid Generator In Motion Apple Support (KZ), 43% OFF
Japanese Pattern generator in Motion - Apple Support (NL)
Render settings in Motion - Apple Support