MEASURE command
Places points or blocks along entities at equally-spaced specified distance.
                Icon: 
Method
Specify the entity you want to measure and enter a block distance value or insert a block. On the entity the points are places at equally-spaced specified distance.
                Note: Points are usually invisible, so use the PdMode variable
                    to make them larger.
            Options within the command
- Insert block
 - Inserts a block instead of a point.
 
- Align block
 - Rotates the blocks to match the entity alignment.