No stranger to Core77 readers, Scott Amron's latest proposal is Heatswell, a super thin stackable coffee cup with an insulating mid section that expands when you add hot liquid. The heat sensitive paper collar -- non-toxic, recyclable and biodegradable -- can swell up to 1 inch offering a delightful range of possibilities for 3D shapes, logos, and even creatures (although we're not sure how much control over the form there is). Check the video, it explains it best!
More from Scott: Split Ring Key New Soap/Old Bottle Brush & Rinse Off Light Switch Hook Die Electric Cash Money Clip Trash Can Disappear
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