this mount work , it be not exactly over engineer or pretty , but it function as describe . its basically a aluminium plate with a omni-mount type ball mount affix to the top and some screw to hold it to the projector . even a high-school kid in metal shop could manufacture this , but when it cost under 30 dollar , it be hard not to give it a go . I purchase my hd66 for around 700 buck . I do not feel like shell out about one third the purchase price of the projector just to mount it to the ceiling ! for those with a hd66 , this be certainly a better solution than have some know-it-all jerk in a blue shirt with a yellow name tag , try to sell you a overprice `` spider mount '' that be not even make for your projector . and as for its look : when you be watch a movie or play a game ... who care what the mount look LIKE ? I be satisfied with mine .