Attached Link: LINK

**Here's a cool semi free device[I used bright white matte construction board] you could build in 20 minutes...I know, just did, pay attention to set up pics on page 2 for how to measure for your particular scanner. He doesn't say but you can infer from the photos.. ...**

 

Once in a while I look around,
I see a sound
and try to write it down
Sometimes they come out very soft
Tinkling light sound
The Sun comes up again