I love masking fluid envelopes! They're different and fun. I've done a couple weddings with them and they're a huge hit, so here's a little tutorial to show you how to use a nib and calligraphy pen with masking fluid and a paint overlay!
After posting the shots of my Invitation Suite that I made for The Big Fake Wedding event in February, I got a lot of questions asking about how I made the outer envelopes. It looks like it'd be super difficult, but it's actually really simple & totally doable for wedding invitations! Here's the step-by-step process!