31 10 2011

Learn and enjoy with this video.

Third year Anniversary

26 10 2011

Today we celebrate  this blog’s 3rd year!

 Side by side – Year by year

happy week-end and enjoy this video!

21 10 2011

op art design

14 10 2011


What You Need:

  • compass
  • protractor
  • paper
  • pencil
  • ruler
  • pen and ink
  • colored markers

What You Do in the first picture:

  1. Find the center of the page and put the pointed end of the compass there
  2. Draw the largest circle the paper will allow with the compass.
  3. Draw several circles inside the big circle.
  4. Create distortions by drawing at least three circles close together. Have at least three distortions in the picture.
  5. Use the protractor to mark off each half and whole degree. Mark all the way around the circle by turning the protractor upside down.
  6. Draw lines using pencil and ruler from the center through the mark and out to the last circle.
  7. Fill in the blocks created with pen and ink in checker board fashion.
  8. Color in white sections in a contrasting color, or leave white.

What You Do in the second picture:

1.  Draw parallel lines in horizontal position with the same space between them.

2. Draw parallel lines in vertical position and change the space between them by diminishing it and, after a while, increase the empty space.

3. Fill in the blocks with black felt pen.


11 10 2011

Let us revise how to draw parallel lines using the triangular set squares.

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