Here is an (incomplete) list of quilts that you can make with 36 Fat Quarters! If you click on the link, it will take you to the page where you can purchase and/or download the pattern:
Bed Size
- Geode Quilt by Blossom Heart Quilts (King size)
- Finished size: 96" x 96"
- Background Fabric: 5 1/4 yards
- Binding Fabric: 2/3 yard
- Backing: 9 yards

- Modernly Morgan's Aglow Quilt (Queen)
- Finished size: 96" x 96"
- Background Fabric: 7 1/4 yards
- Binding Fabric: 3/4 yard
- Backing Fabric: 9 yards

- Agnes Quilt by Penelope Handmade (Bed size)
- Finished size: 96" x 96"
- Background Fabric: 5 3/4 yards
- Binding Fabric: 3/4 yard
- Backing Fabric: 9 yards

Photo credit @penelopehandmade