I wanted to make a set of 'windows' that look out into space for my son's room. They turned out looking well in the daytime and also at night, as all the stars glow in the dark. I used some ultra glow- in-the-dark that I buy online. The stuff really glows. Regular glow in the dark paint will work ,too, just not as long. The effect is great for looking out of your spaceship.
black flannel fabric
White craft paint
Roll of cardboard
Glow inc. ultra green water- based glow paint
Sizes to be determined by the size of the window/s you wish to make
Step 1: Hang Some Fabric
I did not want to paint a big black stripe on the wall. Hard to paint over and does not give that rich darkness you need for the feeling of empty space. Black velvet would have been great, but black flannel works well and has that light trapping texture. It is also better for the budget. I happened on a piece that was pre cut to the length I needed . I used a staple gun and stretched the wrinkles out as I went.