如何畫人類的頭顱骨
GRID STEP. You can print out the base construction lines and start drawing on tracing paper or you can draw the grid layout yourself using the following steps.
1) Draw a rectangle that will define the conditional proportions and boundaries of the chosen drawing. 2) From the middle of the rectangle, draw one vertical and one horizontal line equally dividing the shape. 3) Draw another horizontal line equally dividing the upper half of the rectangle. Similarly, draw a horizontal line equally dividing the bottom half of the rectangle. 4) Draw a vertical line equally dividing the left half of the rectangle. Similarly, draw a vertical line equally dividing the right half of the rectangle.
1) Draw a rectangle that will define the conditional proportions and boundaries of the chosen drawing. 2) From the middle of the rectangle, draw one vertical and one horizontal line equally dividing the shape. 3) Draw another horizontal line equally dividing the upper half of the rectangle. Similarly, draw a horizontal line equally dividing the bottom half of the rectangle. 4) Draw a vertical line equally dividing the left half of the rectangle. Similarly, draw a vertical line equally dividing the right half of the rectangle.
STEP 1. Mark off the width and height of the human skull. Define its proportions. Draw a circle on its top part.
STEP 2. Sketch jaws. Add lines for orbits.
STEP 3. Outline the orbits, nasal bone and zygomatic bones.
STEP 4. Draw more carefully the zygomatic bones. Add nasal holes.
STEP 5. Add lines to show the jaws on the human skull. Mark a front bone.
STEP 6. Define places for teeth, superciliary arches and a parietal bone.
STEP 7. Work on the skull, paying special attention to details.
STEP 8. Contour the human skull, trying to vary the thickness and blackness of the line. Add details. Erase all guidelines.
發表人:作者: Lena LondonSource: Skull illustration by Patrick J. Lynch, medical illustrator
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