I just did a google search for embroidery designs of unicorns. I clicked on images at the top of the page. It came up with lots of really cute unicorns. Just click on the one you like and it will take you to the web site that is selling that design.
Do a search for sketch machine embroidery unicorn design. I did and found many on Etsy.
Try this link from Amazing Embroidery. I have others in my collection but they have more than 9,000 Stitches.
I bought the Majestic Unicorn from Urban Threads, it is not too dense and will fit a 4x4 hoop. Sewed out nice, I used it on a reading pillow for my Great Granddaughter.
Thank you.Have the large size but will see what it looks like after I use my software on it
I have had a couple of unicorn designs from Urbanthreads which were great