Keyframe Animation is a well-known SketchUp extension (developed by Regular Polygon) that adds object-level keyframed motion — recording positions/rotations/scales across scenes, previewing, and exporting animations to video/GIF or image sequences. It’s distributed as a paid extension with a free trial; recent versions include a license-management system (activation, transfer rules, and limited offline use).
“I’m fine.”
Afterward, as the head of department shook his hand, Leo pulled Mira aside. keyframe animation sketchup license key