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i + THE PEN BLOCK
The Pen blocks are green in colour. These blocks draw a trail as the Sprite moves on the stage. You
can change the color of the pen. In Scratch 3.0, you have to add Pen blocks to the block category.
To do so, follow the given steps:
2 Click on Pen option. The Pen
block is added to the Code tab.
1 Click on the Add Extension button.
Now let us learn about some of the Pen blocks and what they are used for.
• block erases everything drawn by the pen.
• Clicking on block creates a duplicate of the current Sprite. The image is stamped on
the stage. To see the image, click on the Sprite and drag. A duplicate of the Sprite appears
behind it.
• block puts the pen up and stops the Sprite from drawing anything.
• The Sprite draws a non-stop line wherever it moves using .
• Use block to set the colour of the pen to a colour of your choice from the
drop-down menu.
• block changes the pen colour,
saturation, brightness and transparency. Click on the
first text box to select and change the pen effects.
Click on the second text box to give a value by which
the effect will change.
• block will set the pen colour, saturation,
brightness and transparency to the given value.
i + DRAWING A POLYGON
Polygons are 2D shapes with three or more straight lines and angles. Examples of polygons are
triangle, square, rectangle, quadrilateral, pentagon, octagon, etc.
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iPlus (Ver. 2.0)-VI

