Thank You David to share his wonderful design to US.
Top: MB Quart FKB116 6.5" 2-way coaxial driver mounted on plastic dome made of two 8" salad bowls suspended with fishing wires.
Bottom: JL Audio 10WX v2 10" subwoofer mounted on drum made of two 17" plastic wash basins suspended with fishing wires
Stand made of 3/4" aluminum tubing and plastic tubing joints.
Approximate measurement:
Top: 12" x .8.1/2"
Bottom: 20 x 18 1/2"
Height: 43 1/2"
Speaker air hole: top 2" / bottom 3"
But the supplier Sayal has discontinued the 3" and 2.75" air hole.
