Open up InDesign and enter in your values for your document settings. If you are placing your photograph or artwork onto a 15×15 inch black square, see the image below for the preset details. Once you’re happy, click “Create”.
With the rectangle tool, create a square to cover your whole board, go into the “Properties” panel and set the color to your what you need.
To place your artwork or photography, select either the Frame Tool or Rectangle Tool, hold “SHIFT” as your click and drag where you want your image to be. Click “File” and “Place” to insert your image (or Command/Control+D).
Use the “Align” tool under the “Properties” panel to center your elements. Now you’ve successfully placed your work into InDesign.