I did a forum search to find instructions on how to make MMF tissue, and found this page. It was so helpful! But for those in the future who are looking for instructions too, there are a couple more things I did that I found helpful...
To have a more full rumpled tissue, I cut up a couple cereal boxes and made some slightly flat cones with wide openings in the tips that I stuffed with kleenex. Then I draped the paper thin MMF overtop and let dry.
After about 12 hours, their form was firm, but they were still a little soft. So I took them off the cones and lay them on their sides, and gently pressed down so there would be like 2 layers of ruffle. Worked very nicely - I just wish I took more care in trimming the edges nicely.
And here's the finished product! (A Godiva replica