To create block:
click on "create block"
![](https://forum.librecad.org/file/n5715597/createblock.png)
select the entities and finish selection with "enter".
![](https://forum.librecad.org/file/n5715597/selecttocreateblock.png)
specify reference point
![](https://forum.librecad.org/file/n5715597/specifyreferencepoint.png)
give block a name
![](https://forum.librecad.org/file/n5715597/blocksettings.png)
activate the wanted block in the block list first and then click on "insert the active block", release mouse button.
![](https://forum.librecad.org/file/n5715597/insertactiveblock.png)
when you move the mouse cursor to the drawing area, a preview bounding box appears.
![](https://forum.librecad.org/file/n5715597/movebox.png)
at the desired place drop with left mouse click.