Setting up perspective and grid for redrawing a house

FIND IMAGE

INCREASE CANVAS

SET UP GRID SIZE

SHOW THE GRID

CTRL R TO TURN ON RULERS

DRAG GUIDE FROM TOP RULER TO THE HORIZON

SHOW SWATCHES

SELECT LINE TOOL

SET UP LINE TOOL TO PIXELS

(This step is critical – make sure you check this)

MAKE LINE TOOL 4 PIXELS

Use line tools and swatches to make the horizon and perspective lines:

Use the circle shape to make the VPs

(Tip – use Alt-Shift after you start drawing)

Make sure snap is on

Draw the grid on a new layer in black, snapping to grid

Turn off the grid and position like this with the move tool:

Done!