To ask what this shape is?

Tinkerbellisnotafairy · 2019-04-15T13:03:31+00:00

What do you call this shape?! It's driving me insane because I know the answer but my stupid brain just won't work properly! Thanks in advance, Oh wise Mumsnetters….

IceRebel · 15/04/2019 14:10

Trigonal Planar or tetrahedral?

Original poster

Tinkerbellisnotafairy · 15/04/2019 14:32

Trigonal planar! That's the one - thanks!

OP posts:

bubbleobill · 15/04/2019 14:50

Fidget spinner

MitziK · 15/04/2019 15:13

Sulfur Trioxide?

AryaStarkWolf · 15/04/2019 15:15

Blue ball bar shaped

Mousetolioness · 15/04/2019 22:18

Oh God... I know nothing, NOTHING! Nonagon and trapezium were as complicated as it got for me when I was at school.