@arki_po: Dynamic door tutorial part 1: Dynamic blocks can contain properties to show/hide, stretch, move, rotate, mirror, and scale geometry in a block. This video tutorial is divided into two parts because it is too long to fit in one video. Also, if you are confused about any of the steps, simply follow them and ask questions; I will do my best to respond precisely. Using unit: mm #autocad#architecture#architecturestudent#architect#engineer#autocadtutorial