How to work with Extrude

79) How to work with Extrude.

Gives a 3-D texture to a selection or layer.

Step 1

Choose an object:

Step 2

I) Blocks create objects with a square front face and four side faces. To fill the front face of each block with the average color of the block, select the Solid Front Faces option. To fill the front face with the image, keep deselected the Solid Front Faces option.

II) Pyramids create objects with four triangular sides that meet at a point.

III) Enter a value in the Size text box to determine the length of any side of the object’s base, from 2 to 255.

IV) Enter a value in the Depth text box to indicate how far the tallest object appears to protrude from the screen, from 0 to 255.

V) Choose a depth option:

• Random to give each block or pyramid an arbitrary depth.

• Level-based to make each object’s depth correspond to its brightness—bright protrudes more than dark.

VI) Select Mask Incomplete Blocks to hide any object extending beyond the selection.

Step 3

After applying the Extrude filter.