Is it the same when the alpha canal of a [colorRGB] is 0 than when [gemhead] has received the message 0 : [gemhead] | [alpha] | [colorRGB 1 1 1 0] | [square] is it the same for the ressources take from the CPU/GPU than : [loadbang] | |0( | [gemhead] | [square] (The both methods erase the square). Thanx. ++ Jack