Card Board Gliders , by flashanimator, link: https://www.instructables.com/id/Card-Board-Gliders/
Pizza Box Airplane , by RainPuddle, link: https://www.instructables.com/id/My-cardboard-airplane/
and in a special way by simplicity of
My Cardboard Airplane , by bakermiro, link: https://www.instructables.com/id/My-cardboard-airplane/
I started making my own variation of simple glider, due to the some old cardboard and other home waste.
Step 1: SCF-1, Wings
After that, I glued some cardboard layers that were glued off by time; practically I repaired the cardboard. Clothe pegs pressed layers sufficiently, during the drying.