In an earlier post, 10 ways to improve your watercolours with a ruler, I wrote that a ruler is useful when tracing objects like buildings in perspective. In particular, verticals remain vertical and this is also something you can trace with a ruler. Even if you don’t want to trace everything with the ruler, at least consider the main outlines.
If you have a drawing table, like James Gurney, then tracing vertical lines is not a problem. This is not a practical solution if you are travelling or away from your studio.
An alternative solution is to use a translucent plastic ruler, graduated on both sides with the same units (it does not really matter if it is centimetres or inches, but you cannot use a ruler that has one side in centimetres and one side in inches).
If you have a drawing table, like James Gurney, then tracing vertical lines is not a problem. This is not a practical solution if you are travelling or away from your studio.
An alternative solution is to use a translucent plastic ruler, graduated on both sides with the same units (it does not really matter if it is centimetres or inches, but you cannot use a ruler that has one side in centimetres and one side in inches).
This is the way I do it:
- I trace a frame all around the sheet of paper with at least one centimetre margin.
- To draw a vertical line, I position the ruler perpendicular to the horizontal frame line at the top of the page. To ensure the ruler is really vertical, I check that the marks on each side of the ruler are aligned on the horizontal frame line (as shown on the photograph).
Watercolour Watercolour Ruler Studio tip Studio hack Drawing Perspective
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