Wow! Thanks for such great explanation! Incredible examples!

Posté par Lulu, 11/05/2021 - 03h11 :
Thank you for this amazing work. I learned so much.

Posté par Tet, 07/04/2021 - 08h33 :
thank you very much, the symmetries are explained in a wonderful way

Posté par regolo54, 01/02/2021 - 22h13 :
Great. The page on tessellation was so informative and interesting. Thank you.

Posté par Shuttling Between , 09/10/2020 - 13h35 :
What an amazing website. Thank you.

Posté par APM, 31/07/2020 - 03h01 :
I will be referring to your work and methods in my class. I anticipate it will be very useful.

Posté par s.eigen, 29/01/2020 - 18h55 :
Thank you for your amazing work. I truely find it facinating! I would love to try some of your methods with my students.

Posté par Amazing artwork, 24/09/2019 - 21h59 :
Thank you For this, I have learned a lot here

Posté par sonam, 08/09/2019 - 22h32 :
Super site! Merci beaucoup!!

Posté par Mimi, 21/02/2019 - 22h45 :
Fascinating work. I enjoyed browsing your wonderful galleries. Bravo from the USA

Posté par Donald Trump, 20/02/2019 - 10h07 :