Controls
PC: WASD move · click the view to lock mouse look (Esc frees it) · V switch view · B dev mode · in dev: click to select / place (when locked, aims with the + ) · right-drag to look · Del delete · [ ] rotate 1° (Shift 15°)
Phone: left stick move · right stick look · tap to select / place in dev mode.
Sizes are real meters. Objects drop onto the first surface below, or snap flat to a wall when you tap a wall.