On the bench · not built yet

Chord Explorer

Build triads and chord progressions on a keyboard; hear why some progressions feel like home.

Nearby on the shelf

Fix broken poster layouts by applying balance, contrast and emphasis; before-and-after reveals the difference.

Draw a hallway or street with one-point perspective guides that snap to the vanishing point.

A scrolling timeline of art movements with public-domain works and the history around them.