I just discovered réglure Seyès today and immediately wanted to try it. So here is the (German) alphabet + the lyrics of one of my favourite songs. I also included a line
Ardoise effaçable à sec double ligne/seyès médium, Bouchut grandremy | Vente d'Ardoise effaçable - La Centrale du Bureau
Amazon.com : Conquérant - Punched Double Sided Paper A4 Seyès F. simples : Office Products
Notebook Conquerant ( large tiles Seyès 96 pages 24 x 32 cm) – C&I Office Supplies S.A.
Seyes French Ruled Notebook: Ruled Grid Graph Paper Seyès Journal 120 pages for writing Letter Format , Kids, Student, Teacher. 8.5 x 11 France Black - Publishing, Alun: 9781695762787 - AbeBooks
French Ruled Notebook: Seyès Ruled Journal... by Seyès Journal
How to Use Seyes or French Ruling for Handwriting – Wonder Pens