The length, width and height of the box can be determined quickly by selecting any endpoint. You can choose to automatically create groups or components through the right-click menu option; you can use tab to switch the three drawing methods of bottom corner, bottom center and edge midpoint to create a box.
Make Box（Make Box）动画教程
The length, width and height of the box can be quickly determined by selecting any endpoint. At the same time, you can switch whether to group automatically through the right-click menu.
挺好用的！