Left Toolbar > Layout Nodes > Mix
The Linear Array node copies the input image multiple times in X and Y.
input
Img
output
Img
Image array with 4 tiles with a 35 pixels delta.
On the left toolbar choose Layout Nodes > Linear Array. >
Drag the Linear Array icon into the Node Graph.
Connect the oputput of the images to be copied int the linear array.
Tiles X
Sets the number of times to repeat the image in X.
Tiles Y
Sets the number of times to repeat the image in Y.
Delta X
Sets the distance in pixels in X between the left-bottom corner of an instance, and the next one.
Delta Y
Sets the distance in pixels in Y between the left-bottom corner of an instance, and the next one.