Hidden animal mugs by Ange-line Tetrault (Source: Uncommon Goods)

Doll Head cups by Natalia Gruszecka (Source: az-inspiration)

Coffee Chair™ by Sunhan Kwon (Source: Freshome)

“Crinkle Cup” in ceramic and glass by Rob Brandt (Source: Generate)

Anamorphic cups (Source: Normal Design)