STEP-1
At first Open Photoshop then Create a new document, for creating a document go to file>
Then click on New>
Set Width and height that is -1200/800 pixels
Set Resolution -72>
Color mode will be -RGB >
Background content is – white>
Press Ok>
STEP-2
Go to rectangle tool> then go to set shape fill type for fill color and choose color then go to set shape stroke type and choose black color after that go to set shape stroke width and it will be 1 pixel>
STEP-3
Draw rectangle shape on your canvas for brick shape then go to layer panel and open background lock >
Then duplicate rectangle 1 layer and align it with help of move tool, then again duplicate same layer and align it for create pattern>
STEP-4
Go to selection tool> select area where our pattern are repeated>
after that go to edit menu>
Then choose Define pattern >
Then Save it>
STEP-5
Open a new document where background color is white>
Then Go to layer panel and Open lock>
STEP-6
Go to new fill and adjustment option> then choose pattern >
Click drop down menu and select your pattern>
Set size mine is 85%>
Press Ok>
Complete