The Output tab is used to create and configure different outputs which will be used to map different parts of your Pixel Workspace to different areas of Modulo Player’s main window displaying as set using the Display Mode in the first step.
You can find more details on this tab in the Output tab manual page.
Open the Output tab and add a new Standard Output using the 
button. By default, the Output is created with a FullHD resolution.
Now open the Shape subtab.
Open the Configuration window and set the Type of curves to Keystone.
This mode is most suitable for simple projections on flat surfaces and only gives access to the four corners of the output for warping.
Set the Test Pattern to Grid + Softedge.
Now move the 4 control points for each corner of the output to adjust the grid to fit in the background of the mapping box.
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