The Mirror (MI) command is used to create mirror copies of selected objects and remains one of the least used commands for years.
Many CAD users know that blocks can be repeatedly inserted to reduce unnecessary operations, therefore are widely used. Double-click blocks to enter the reference editing or block editing and we can edit objects in the blocks.
The Stretch command is a simple and special command: on one hand, it’s as simple and easy-to-operate as the Move command, on the other hand, it has different ways from other commands in selecting objects. Why is that? When using other commands, we need to either select the whole object such as the commands of Move, Rotate, Copy, Mirror, Zoom, or click on the part that we want to edit such as the command of Extend, Trim, Lengthen and so on.
To solve the problem of low switch between layout tabs, users need to know what has caused this. There are two main reasons for slow performance between layout tabs: the drawings are very complex and contains many data and graphics; there are too many viewports on the layouts and the viewports have used different settings.