VisualCAD > Exercises > #3: Model a Spanner Plate

1.Select the Curve Modeling tab from the top Ribbon Bar.

2.Keep the Curve Modeling Ribbon Bar displayed and then select the top horizontal line.

3.Pick the Offset Curve icon from the Edit Curves pane.
A preview line will appear, indicating the direction of offset. Point the preview line to offset the curve outward and then type 0.75 from the keyboard and press Enter.

For Offset Curve, your cursor points to the offset direction, so do not move the cursor to the Command Prompt field. Simply type 0.75 and press Enter to input the value.

Click on the top horizontal line
A preview line should appear, indicating the direction of offset.

4.Repeat the offset for the horizontal line at the bottom, making sure to keep the cursor and directional indicator line pointing downward.

Repeat the offset for the horizontal line at the bottom

5.Select the larger circle on the right and then pick the Offset Curve icon again.

6.With the cursor, point the offset direction outward from the circle, type 0.50 and press Enter.

Create a circle with center 7,0 and radius 1.25

7.To modify the offset lines so that they meet the larger circle, pick the Extend Curve icon from Edit Curves pane. It is located just to the right of the Offset Curve icon.

8.Click one of the offset lines towards the right. The line extends to the point where it meets the circle.

Click one of the offset lines towards the right
The line extends to the point where it meets the circle

9.Repeat the extend curve for the line at the bottom.

Repeat the extend curve for the line at the bottom

10.Select Trim and trim the large circle where it meets the two extended lines.

trim the large circle where it meets the two extended lines

Exercise #3: Offset, Extend & Trim Curves

Exercise #3: Offset, Extend & Trim Curves