I didn't realize that it has been so long since I last posted about fabric postcards. Fabric postcards are so easy to make and if you love almost instant gratification this is the project for you. I have complied a list of websites that you can go to for instructions on how to make fabric postcards.
The Spruce - 7 Easy Ways to Make Fabric Postcards
Stitch by Stitch
Quilt Design NW
Red Shoe Rambling
There are also a few videos on You Tube on how to make fabric postcards.
The Crafty Gemini