I prefer a harness instead of a collar for my dog, as the collar chokes her and she sometimes pulls it over her head. But finding a harness that fits well and is easy to put on seems impossible. So I went looking on-line and found some information for making one.
Here's my pattern. You cut 2 for the inside and 2 for the outside. Then sew together along the short side.
Here's what it looks like. I used 2 rows of velcro for the fastening and added a d-ring to snap on the leash.
The fit is great on this one except for a little tightness where it goes around the inside of her legs. For the next one, I'll make that area narrower.
I used a sturdy quilting cotton and polyester quilt batting, and did some random machine quilting. This worked great and makes the harness comfortable; it's not too thick and it's machine washable. I made self-fabric bias strips to cover the edges.
I'm pretty happy with how it turned out. And Paisley definitely likes it better than the one I bought. Well, mostly because it's quicker to put on! And now that I've got the fitting worked out, the next one should go together much faster.