Sefer Chasidim Siman 115
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
כשרבה דיו על אות לא יכתוב את ה' ממנו וכן אם רבה על שם לא יכתוב ממנו אות אחרת:
Medieval Jewish mysticism, translated by Sholom Alchanan Singer. Northbrook, Ill. Whitehall Co., 1971
If there is an excess of ink on a letter, let him not write God’s name from it. Thus if excess accumulated on God’s name, let him not write therefrom another letter.