Introduction to Patterns

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Introduction to Patterns Tutorial Summary

In this tutorial, you will learn the basics of Pattern creation.

Task 1: Create a Dimension Pattern

Task 2: Create a Direction Pattern

Task 3: Create an Axial Pattern

Task 4: Create a Fill Pattern that patterns holes within an area

duction to Patterns http://www.ptc.com/products/proe/tryout/schools/tutorial5/printable_

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Task 5: Experiment with Fill Pattern shapes

Task 6: Create a Fill Pattern that patterns protrusions within an area

Task 7: Use the Fill Pattern to conform to surface topography

Task 1. Create Dimension Pattern

Start Pro/ENGINEER Wildfire 4.0 Schools Edition if necessary.1.

If Pro/ENGINEER is already running, close all windows then remove all objects from session using File > Erase >

Not Displayed...

2.

File > Set Working Directory... , and browse to HANDS-ON_WF4\05-PATTERNS.3.

Right-click the PATTERN_TUTORIAL folder and select Set Working Directory.4.

Click the Datum Planes , Datum Points , and Coordinate Systems icons in Pro/ENGINEER's main5.


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toolbar.

These buttons toggle datum planes, axes, points and coordinate systems on and off so that your graphics window

doesn't become too cluttered.

Double-click PATTERNA.PRT to open it.6.

Click HOLE 1 from the model tree and click the Pattern tool from the feature toolbar.

When the Pattern tool is launched the default pattern option is dimension pattern. Dimension pattern specify

incremental changes to the feature dimensions and the number of instances to define the pattern.

7.

Select the horizontal 1.00 dimension as shown, type in -2 as the increment and press ENTER.8.

Press and hold the right mouse button and select Direction 2 Dimensions.9.

In the dashboard, click on the vertical 1.00 dimension as shown, type in -2 as the increment and press ENTER.10.


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Click Complete Feature to show the 2x2 pattern.11.

Task 2. Create Direction Pattern

Click Undo to remove the dimension pattern.1.

Right click HOLE 1 from the model tree and select Pattern.2.

In the dashboard, use the pull down to select Direction as the pattern option.3.


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The Direction Pattern adds pattern members in one or two selected directions without requiring a specific dimensioning

scheme on the original feature.

Click the Datum Planes in Pro/ENGINEER's main toolbar to view the datum planes.4.

Select datum plane RIGHT as shown in the following figure.5.

Select 1.18 dimension and type 2 as the increment and press ENTER.6.


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Press right mouse button and select Direction 2 Reference.7.

Select datum plane TOP, as shown in the following figure.8.

Select 1.18 and type 2 as the increment and press ENTER.9.


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Click Complete Feature to see the 2X2 pattern.10.

Task 3. Create Axial Pattern

Click Undo to remove the direction pattern.1.


In the dashboard, use the pull down to select Axis as the pattern option.3.


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The Direction Pattern adds pattern members in one or two selected directions without requiring a specific dimensioning

scheme on the original feature.

Select the center axis of the part (A_2) to revolve the pattern around.

Make sure that the axes are displayed. If they are not, choose the Datum Axes icon.

4.

In the Dashboard, change the quantity of holes to 8.5.


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In the Dashboard, select Angular extents to equally space the members.6.

Click Complete Feature to see the axial pattern.

7.

Task 4. Create a Fill Pattern

Click Undo to remove the axial pattern.1.

Right click HOLE 1 from the model tree and select Edit.2.

Double-Click on the horizontal and vertical offset values and change them from 1.00 to 0 and then choose the

Regenerate icon. This will place the hole at the center of the part.

3.


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In the dashboard, use the pull down to select Fill as the pattern option.5.

Pick the curve SKETCH_FOR_HOLE in the Model Tree. Notice the preview of black dots showing the locations

where holes will be created.

6.

Select the SavedView List icon in the main toolbar and select FRONT to change to the front view of the

model. The pattern should look like the following figure.

7.


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Change the orientation angle, spacing and offset boundary by holding down the left mouse button and dragging

the white square drag handles. In the figure below the drag handles are shown within the blue circles.

8.

Double-click on the dimensions and enter the values shown below.9.


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Individual hole members may be turned off by left clicking the black dot. The black dot turns white to indicate it will be

excluded from the fill. To restore the pattern member, left click the white dot.

Click Complete Feature to see the fill pattern.10.

Select the No Hidden icon from the main toolbar to better see the pattern if necessary.11.


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Task 5. Experiment with Fill Pattern shapes

Select the Solid icon to return back to shaded mode if necessary.1.

Right click on the PATTERN 1 of HOLE 1 in the model tree and select Edit Definition to change the existing

pattern type.

2.

In the dashboard, change the pattern shape from Square to Diamond.3.

In the dashboard, change the pattern shape from Diamond to Triangle.4.

In the dashboard, change the pattern shape from Triangle to Circle.5.


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In the dashboard, change the pattern shape from Circle to Curve.6.

In the dashboard, change the pattern shape from Curve to Spiral7.


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Click Complete Feature icon at the right side of the dashboard.8.

Task 6. Create a Fill Pattern of protrusions.

Select SavedView List icon from the main toolbar to reorient the model to a better view and select

BACK_PATTERN.

1.

If Axes are showing from the holes on the other side, hide them by choosing Datum Axes .2.

Right click onPROTRUSION1 in the Model Tree and choose Pattern.3.

In the Dashboard, change the Dimension pattern option to Fill as in the previous task.4.

Select thecurve SKETCH_FOR_PROTRUSION in the model tree and select the Complete Feature icon at the

right side of the dashboard to complete the pattern.

5.


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Rotate the model by holding the middle mouse button and dragging. Notice how all of the protrusions start at the same

plane.

Task 7. Create a Fill Pattern along a curved surface

Select SavedView List icon and select BACK_PATTERN to return back to the previous orientation.1.

Right click on PATTERN2 of PROTRUSION1 in the Model Tree and select Edit Definition.2.

Select the Options tab from the Dashboard at the bottom of the screen.3.

Check the box named Follow Surface Shape and the button called Constant.

4.


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Left click on the curved surface shown.5.

Select Complete Feature icon at the right side of the dashboard.6.

Task 7. Fill Pattern along a curved surface (cont'd)

Select SavedView List icon and select BACK_PATTERN to return back to the previous orientation.1.

Right click on PATTERN2 of PROTRUSION1 in the Model Tree and select Edit Definition.2.


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Documents

Introduction to Patterns