A large quilt begins making sense through small sections completed faithfully.

Big things are not made big. They are made small, repeatedly, and the pattern only becomes visible once enough finished pieces exist to show it. Trying to hold the whole design in your head from the start is what makes large projects feel impossible. The overview tends to arrive late rather than first.

Pick the next single section of whatever is daunting you and finish that one properly. Resist judging the whole from where you are standing now. After several completed pieces the shape usually declares itself, and you will not have needed to imagine it in advance.