change point to circle Question: User has a drawing containing multiple point or circle objects and he would like to convert t...

Dynamic blocks contain rules, or parameters, for how to change the appearance of the block reference when it is inserted in the drawing. W...

In AutoCAD By default allows you to select multiple objects. Some time while selecting objects the first selection or previously selected o...

This lisp routine will draw chainages at user-defined intervals along a 2D polyline. Note: the chainages will go from the start of th...

Autocad lisp allows the user to write level from down stream on the plan this useful for checking and review the level specially if you hav...