The feet are the main focus of this drawing, looking better while taking me much less time to draw (at most 3 to 5 minutes among the roughly 1 hour session) than the cluttered desktop.
Clear sighting brings out clarity and reduces unnecessary manual works.
I remember a homework assignment during my first grade asking to fill in the blank among sentences, such as: blah a piece of —- blah. For reasons I could no longer recall, I only looked at the local context but not the whole sentences, and put in answers like: a piece of mouth.
The next day, the teacher summoned me during the lunch break and asked me how come I have a piece of mouth inside my desk.
In my latest sketching, I also focused on only the local details without paying attention to the global structures to begin with.
I picked this sharp corner, which looks fascinating, from the office floor that we just moved away from to practice extreme perspective. I panned my head around, so my drawing is more of a cylindrical perspective projection. This panning probably also caused my mistake of not putting the two vanishing points at the same horizontal line.
(October 23, 2018)
This sign came up after a few more visits to the empty office floor:
I did not find mechanical sighting measurements very helpful or enjoyable, so instead I just place rough outlines on the canvas, see if they look right, and adjust.
Drawing from a real scene is more challenging than drawing from a photograph, due to the need to carefully sight the relationships on a virtual 2D plane without wandering around in 3D.
The instruction book says 30 minutes but this one took me almost 2 hours because I had difficulty measuring the perspectives and proportions entirely by sight and eventually had to place down the horizontal vanishing point first.
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