Why window selection is disabled

If window selection is disabled, check your settings in the Options dialog box.

Tips for CAD Stretch command

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.

How to select objects?

Selecting objects is one of the most basic operations in CAD. Being able to quickly select objects help improve efficiency.