No Products in the Cart
The Penrose triangle shouldn't exist, also known as the Penrose tribar it is a triangular impossible shape created by Swedish artist Oscar Reutersvärd in 1934. This optical illusion is a great example of how limited dimensions can create some crazy impossible geometric shapes, making the perfect gift for any mathematician with a soft spot for geometry.
Whether you're drinking your morning coffee, your evening tea, or something in between – this mug's for you! It's sturdy and glossy with a vivid print that'll withstand the microwave and dishwasher.
• 11 oz
• Dishwasher and microwave safe
• White and glossy