Does the thickness of the range ruler matter?

By 1044, in X-Wing Rules Questions

Hello, I'm new to the game and have a question about the range ruler and measuring when a ship is obstructed. Does the thickness of the range ruler matter when seeing if a ship is obstructed, or do you only measure a straight line?

Like for example, if ship A is targeting ship B behind an asteroid, but the closest point of ship B is just clear of the asteroid by maybe 2mm. If I use the entire thickness of the ruler, then it'll overlap the asteroid for sure. But there is a tiny gap that is clear if I ignore the thickness.

Searching for old threads, I saw this line of the rulebook quoted:

When measuring range during combat, if any part of the range ruler between the two ships overlaps an obstacle token, the attack is considered obstructed.

But when I look through the current rulebook, I see no mention of this anymore. Instead it says this:
When measuring range for an attack, if the edge of the range ruler overlaps an obstacle, the attack is obstructed.

Does this mean I turn the ruler sideways and use the skinny edge or something else? The old rule's language seemed to make it clear that you use the whole thickness of the ruler.
Thanks!

Check Page 16 of the RRG

"When measuring, players use a single edge of the range ruler; the width and thickness of the ruler are irrelevant."

You never used the whole thickness of the range ruler. The range ruler essentially always acts as a line in the purest geometric sense as in it has no actual width.

Edited by MikeNYHC

In point of fact, many people get laser line levels to check arc and obstruction.

As mentioned the range ruler is considered to have no width.

Thanks for the clarification, everyone!