These are so cool! The bottle stays floating in the air because the center of gravity of the entire system (board and full bottle) is directly over the slanted foot it rests upon. What’s the best part? They are easy to make! You just have to be exact in cutting the angle at the bottom and the location of the hole toward the top.
The folks over at Instructables have made a step by step guide that you can view with this link, and below we’ve listed all the supplies needed to make it happen! It’s really not that bad at all.
Supplies:
15” x 3 1/8” x 3/4” hard wood board (I used oak, about $3.50/ft.)
Tape measure
Pencil
Straight edge
Chop saw
Drill
1 ½” drill bit
Medium sandpaper
Fine sandpaper
Paint, or stain, or whatever you want to finish your wood.
Bottle of wine or Sparkling cider