Here's How

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  Step 1: Mix light and dark blue paint shades. For light blue, mix 3 parts White, 1 part Cool Blue and a dash of Raw Umber. For dark blue, mix equal parts of White and Cool Blue, then add a dash of Raw Umber.
• Step 2: Measure 200mm up from bottom of canvas and mark on left and right side in pencil. This represents roughly one-third of the canvas.
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  Step 3: SEA - Starting at top left-hand side of canvas and painting downward and across with horizontal strokes, paint a triangle-shaped area, as pictured, using dark blue paint shade and a flat brush. Load a clean flat brush with light blue paint shade and paint area immediately next to it. While paint is still wet, use a clean, dry flat brush and lightly brush from side to side, blending paint where colours meet. Continue to paint and blend, picking up light blue shade and white on your brush as you go. Work down to pencil marks and finish by painting a smooth, almost white line, across canvas to represent horizon.
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  Step 4: SKY - Turn canvas other way up and randomly paint a few areas of dark blue in unpainted section of canvas. Again, while paint is still wet, apply light blue shade and white across this area of canvas, blending paint colours as in Step 3.
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  Step 5: WAVES - Working with no. 5 round brush, add white zigzag highlights here and there, across the sea. Working quickly and from side to side, blend white paint into background with a soft, clean brush. For frothy, white-capped, rolling waves, paint small white arcs, as pictured. Let dry.
• Step 6: FRAME - Using handsaw, cut two 610mm lengths of timber cover strip. Cut 2 more lengths of timber cover strip, each measuring 625mm.
• Step 7: Dilute a little white paint with water, then whitewash each timber length. Using lint-free cloth and working in direction of grain, wipe off any excess paint. Let dry.
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  Step 8: Spacing nails evenly, nail 2 short lengths of timber to opposite sides of canvas so all edges are even at back. Finish by nailing remaining 2 lengths of timber to canvas, creating a simple butt-joint frame. You will notice the canvas, as seen from the front, is slightly recessed.