Tilt Brush was a room-scale 3D-painting virtual-reality application available from Google, originally developed by Skillman & Hackett. Launched April 5, 2016; shut down January 26, 2021 — it lived 4 years. One of 32 Google products killed in 2021. Tilt Brush is a room-scale 3D-painting virtual-reality application available from Google, originally developed by Skillman & Hackett. https://www.tiltbrush.com/ Data: Killed by Google (killedbygoogle.com, MIT).