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I have been reading Loomis' book "Drawing the head and hands" and practising Loomis' method of head construction. But while reading the book, I discovered that to put the features correctly on the head and to render them perfectly, I will have to know the anatomy and planes of the head.
For anatomy, I have anatomy reference such as images of the skull. But to draw planes of the head, Loomis shows the planes of the head in an unclear way; I couldn't understand the process of how to draw the planes of the head from a specific angle.
Could you please help me out?

enter image description here

Page No 29, 30

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  • This question is solely about planes of the head/ how to draw the planes of the head in any angles/ Loomis shows only two angles: front ( still it's tilting right) and side views – yubraj Apr 29 '20 at 19:11
  • My problem is those lines of drawing seems unclear , blurry to me , what's the process of drawing these lines of planes ! – yubraj Apr 29 '20 at 19:16
  • Let us continue this discussion in chat. – Joachim Apr 29 '20 at 19:17
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The "planes of the head" are the simplification of the constant curving of the head into areas that share a similar orientation. Meaning, take the curved surfaces of the head and flatten those surfaces to get the fewest flat areas while preserving the basic volume of the head. Think of the forehead, it is basically one big area that faces in a certain direction. The tops of the cheeks another area that generally faces in one direction, the temples another. Identify and outline these areas to get your "planes of the head".

Loomis is suggesting that there is a formulaic approach you can take to do this that results in the same general set of flat areas that to together make up a angular, flat paneled version of a human head. Then you have simplified shapes that will be easier to put into perspective and serve as the under-drawing for a smoother final version.

You need to be able to draw an arbitrary flat plane shape (a polygon) from different perspectives. If you can draw a given triangle or trapezoid from different points of view then to draw a head you would use the same technique with the collection of arbitrary flat plane shapes that you have extracted from the head and memorized according to Loomis.

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It is hard to put into words exactly how to describe what the book is describing. Like stated above, 'you just have to practice.'
When looking at the page posted above, I also struggled in understanding the concept as well(long ago) and find it very confusing. Instead of seeing it as planes, I tried to see it as more coloration, like topographic maps. Depending how the head is titled, the angles change.
enter image description here (The coloration I added began with that the artist started with number wise, the rest of the coloration was my attempt to demonstrate the rest of the planes that seemed blurry at the bottom)

When the head is tilted down(like the bottom center picture) the jaw line is farther away from the viewer. The nose is closer to the viewer. When the head is tilted to the left or right(like the color image on the bottom left). Depending on which direction, you can tell the opposite eye appears to be further away, the blue coloration is closest to the viewer. The planes are a way to let the learner that there is depth there. Planes are what give the human face realism.

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  • I see the planes as a tool to help determine volume and shading. It may be easier to visualize how the light will illuminate a plane than a curved surface, and how that surface will orient to different perspectives. – rebusB May 6 '20 at 19:25

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