user7328: I am trying to build an Arduino Mega shield. For that, I need to know the exact distances between the different connectors.

user11086: The pin layout and dimensions of the Mega are as follows:

Dimensions are in thousandths of an inch. Source

7328: <p>I am trying to build an Arduino Mega shield. For that, I need to know the exact distances between the different connectors.</p>
 11086: <p>The pin layout and dimensions of the Mega are as follows:
<a href="https://i.stack.imgur.com/a1uUG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/a1uUG.png" alt="Mega Board layout."></a></p>

<p>Dimensions are in thousandths of an inch. <a href="https://blog.arduino.cc/2011/01/05/nice-drawings-of-the-arduino-uno-and-mega-2560/" rel="nofollow noreferrer">Source</a></p>
