and i have a queen sz sheet that's 92in by 92 in (or was it 96x96? i wrote it down somewhere).....if i cut it in 3rds would that work??? and then sew them together? 
i'm trying to make this:
http://groups.msn.com/MamaRoo/didymossling.msnw

i'm trying to make this:
http://groups.msn.com/MamaRoo/didymossling.msnw







My pouch sling just has a serged seam where my 24 pound toddler sits and it holds just fine. HTH