add instruction for fusion360

w3.html

@@ -100,7 +100,12 @@
 
               <p>From here, I briefly summarized some useful instructions for the beginners:</p>
 
-            <h5>1. How to draw a construction line: Click the line, Press 'X' and 'Enter' key</h5>
+            <h5>1. How to draw a construction line: Click an object, Press 'X' and 'Enter' key</h5>
+            <p>The construction lines, also known as xlines, is temporary linework entities
+              that can be used as references when creating and positioning other objects or linework.
+            Click the object that you would like to change into a contruction line, and press 'X' key.
+            The solid line of an object will turn into dashed line.
+            Press 'Enter' to fix your decision.</p>
             <br><img src="image/assignment/w3/003.png" width="1110" alt="How to draw a construction line">
 
             <h5>2. How to make circular/rectangular patterns: Sketch > Circular/Rectangular Pattern</h5>
@@ -113,6 +118,15 @@
               So I selected a motor to pattern, a centor point to revolve around, then set a quantity to four: </p>
             <br><img src="image/assignment/w3/004.png" width="1110" alt="How to draw construction line">
 
+            <h5>3. How to set a width and height of the shape: 'Tab' and 'Enter'</h5>
+            <p> When you sketch the lines, circles or any other object, first you should click a point as the start or center of the object.
+              The width, height and angle of an object change as you move your finger or mouse on a pad.
+              If you want to change the value of width when your cursor is currently blinking on a blank for height, you can use 'Tab' key to move.
+              Press 'Enter' to fix the value.</p>
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