Can you solve the 'impossible roof' puzzle? Hypnotic optical illusion shows balls refusing to fall

There is more to this tiny paper house than meets the eye. When three balls are placed on the roof and do not roll down the sides, one would think the creator has found a way to defy both geometry and gravity. But what's happening is your brain assumes the roof is constructed in a descending motion, when in fact it is ascending – which is revealed once the house's true form is shown. When three balls are placed on the roof and do not roll down the sides, one would think the creator has found a way to defy both geometry and gravity. But what's happening is your brain assumes the roof is constructed in a descending motion, when in fact it is ascending Kokichi Sugihara is famous for building 3D optical illusions that make viewers question the laws of nature, but are then blown away once the structure's true form is revealed.