There were some pretty seriously flexible nibs involved here: The Model Book of Calligraphy.
What beautiful illustrations, too.
Check out the whole page at the link above.
Model Book of Calligraphy Posted on November 10, 2017
Woman Aims to Write A Million Letters Posted on July 23, 2017
One More Reason For Paper Posted on July 18, 2017
A Resurgence in Book Design Posted on June 23, 2017
We're Not the Only Ones Who Appreciate Paper Posted on March 15, 2017
Notebook of King James Bible team member identified Posted on October 20, 2015
Boston area—Commonwealth Pen Show, Sept. 20, 2015 Posted on September 11, 2015
Retroactive Price reduction for early purchasers of Large, B5 notebooks. Posted on December 29, 2014
More nice reviews! Posted on November 22, 2013
What a nice review! Posted on October 20, 2013