I used ammonia to make a patina on my Kaweco Liliput. Here's the

Kaweco Liliput in copper, 3 months in. : r/fountainpens

WELCOME TO INKPISS — QUICK NIB RUNDOWN!

Hacking Kaweco Liliput pens for the perfect drawing tool - Fountain & Dip Pens - First Stop - The Fountain Pen Network

Zen and the Art of Fountain Pen Maintenance — The Pen Addict

I put some ink on the eye of my Kampfer and the result is pretty

Kaweco Brass FP, speed up brass patina - Pen Turning and Making - The Fountain Pen Network

Kaweco Liliput in copper, 3 months in. : r/fountainpens

Patina Resist with Ammonia and Sharpie Pen (Tutorial) – Jewelry Making Journal

I put some ink on the eye of my Kampfer and the result is pretty cool! : r/Gunpla

I added paint to the mouth of my Gamera figure. Does it look any