Podcast:99% Invisible Published On: Tue Mar 18 2014 Description: Quatrefoil is the name of the four-lobed cloverleaf shape. It’s everywhere: adorning Gothic cathedrals, more modern churches, Rhode Island mansions, mission-style roofs in California, and decorating victorian homes from coast to coast. It’s embroidered on bedding, plastered on wallpaper, and … Continue reading → Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.