Have You Tried VerDay Paint and Patina to Make Rust?

I've given cheap cardstock a rusted metal patina using VerDay paint and a stencil. Check out the video and see how plus a card created with the paper.

Aged To Perfection: How To Create Believable Patina

Ink Stains: Vintaj Patina by Ranger

PanPastels, Stencils, and an Oopsand How to Seal Them!

Projects - Old patina painting technique

PanPastels, Stencils, and an Oopsand How to Seal Them!

Panel Matching Real Patina with Faux Patina

PanPastels, Stencils, and an Oopsand How to Seal Them!

Produce a Rich Rust Patina on Iron and Steel, Safely and Quickly, Using Common Household Chemicals : 6 Steps (with Pictures) - Instructables

Body - Need advice on clear coating over patina/rust

How to Create a Perfect Patina Paint Job from Scratch!