929: Penrose Triangle

I love geometry that messes with your head, and a “penrose triangle” is a faux 3d shape that is clearly impossible as a whole:

Looking at any 2 adjacent vertices, it looks fine.  The twist of dimensions is what makes it difficult for our brains to comprehend. Continue reading

532: A Krafty Little Fokker

Manfred von Richthofen, AKA “The Red Baron” flew a TRIPLANE – I know, right! Now a Triplane makes no sense to me, but using it, von Richthofen shot down his last 19 enemy planes, and subsequently crashed himself (you win some, you lose some):532KraftyFokker

I have lost count of the times students have asked if I can fold a paper plane. It turns out I can fold one with quite a level of detail, but not one that flies. Continue reading

527: Gargoyle

I often fold for relaxation and therapy, this design “Gargoyle” by Alessandro Beber is a fold I took up to keep my mind busy during some tough times near Easter:527Gargoyle

I find folding calming, and I started this to keep mentally busy as my Dad got sicker and sicker in hospital. He passed before I completed it and for weeks I put the paper aside, the model became associated with that event. Continue reading