Making a One-Pixel Brush In Photoshop
Here's a quick and easy tip for Photoshop. Have you ever
wanted to erase one pixel at a time and chose the smallest hard-edged
brush, only to find that you were getting soft edges in the surrounding
pixels? When you're working with really small images like icons, what
you need is a one-pixel brush. It is very easy to make.
1. First, create a new image. Then use the Rectangular Marquee Tool and
drag out a one-pixel square selection.
2. Flood fill it with black...
3. Don't deselect anything yet...
4. Next click the small triangle in the upper right corner of the Brushes
Palette to access the options menu. Choose "Define Brush" from
5. Photoshop adds a new brush to the palette. Double-click on the new
brush to access the brush options dialog.
6. Photoshop will anti-alias new brushes by default. Un-check the "Anti-aliased"
7. To test your new brush, choose the Eraser Tool in the toolbox.
8. I like to set my painting brush cursors to the brush size. To do this
click File > Preferences > Display & Cursors and select "Brush
Size" from the Painting Cursors section. Position the brush over
9. Click to erase. It leaves no fuzzy edges.