Which pens did you use roda? can you share an image?
I have the fine Sukara's for signing quilts but they'd never show up well for something big and I'm not particularly impressed with how they last on signatures. Even heat set on prewashed fabric they fade.
Funny how with our combined brain power it all comes back. I'd forgotten the term liquid embroidery. and Tri-chem
I think people sold it like avon and tupperware?