Freestyle Shaper, Optimizer and Profiler

Aug 19, 2008 - Master Exercise 2: Hair Dryer. 67. Design Intent: Hair Dryer. 68. Design Process: Hair Dryer. 69. Step 1: Create the Body of the Hair Dryer. 70.
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Freestyle Shaper, Optimizer and Profiler

CATIA V5 Training

Student Notes:

Exercises

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Freestyle Shaper, Optimizer and Profiler

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Version 5 Release 19 August 2008 EDU_CAT_EN_FSS_FX_V5R19

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Table of Contents Master Exercise 1: Sea Car Design Intent: Sea Car Design Process: Sea Car Step 1: Design the Center Parts Step 2: Create the Side Panel Step 3: Create the Wheel Arch Step 4: Adjust the Shape by Modifying the Curves

Master Exercise 2: Hair Dryer

4 5 6 18 47 63

67 68 69 70 74 79 83 86

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Design Intent: Hair Dryer Design Process: Hair Dryer Step 1: Create the Body of the Hair Dryer Step 2: Create the Handle of the Hair Dryer Step 3: Blend the Body and the Handle Step 4: Create Handle Bottom Surface Step 5: Global Modification Offset

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Freestyle Shaper, Optimizer and Profiler

Sea Car

Student Notes:

Master Exercise 1: Curve Based Approach 180 min

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In this exercise you will design the car from its sketch using a curve-based approach. Surfaces are created from curves and can be changed by modifying the input curves, by associativity.

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Freestyle Shaper, Optimizer and Profiler

Design Intent: Sea Car

Student Notes:

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Create a 3D model from a 2D Sketch Ensure good proportions of the design Ensure symmetry of the model Create a nice design Keep associativity between starting curves and created surfaces

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Design Process: Sea Car 1

2

Create the center parts

Create the Side Panel

3

Create the Wheel Arch 4

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Adjust the shape by modifying the curves

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Freestyle Shaper, Optimizer and Profiler

Sea Car

Student Notes:

Step 1: Create the Center Parts 60 min

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The body is created from simple curves, the shape can be modified afterwards, at any time, by modifying the curves.

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (1/11)

Student Notes:

Open: Sea_Car_Step1_Start_Product.CATProduct

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Make Sure you are working in “Curves” geometrical set created for you Make sure that you are working in Material mode. Create first of four 3D curves in the XZ plane (make sure that the Compass is set to XZ) focus is turned ON. As there is no information to create Curves at the back, you will create them later from the Side curves

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (2/11)

Student Notes:

Create second and third 3D curves. Make the 3rd curve tangent to the 2nd curve.

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3rd Curve tangent to the second curve

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (3/11)

Student Notes:

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Create 4th 3D curve maintaining point continuity with the 1st curve

4th Curve has point connection with 1st curve

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (4/11)

Student Notes:

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Turn the Focus Off and switch to Parallel View mode if needed. Tune the curves to ensure a good quality Porcupine Analysis

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (5/11)

Student Notes:

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Position the Compass on the anchor point. Its orientation depends on the shape you want to obtain Set Compass Orientation Create the transversal curves (Translate the compass away to properly select the first anchor point). 3D curve

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (6/11)

Student Notes:

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Similarly, create other transverse 3D curves Check the Quality of these curves using porcupine analysis

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (7/11)

Student Notes:

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Use the extremities to create linear curves, then add Control Points to deform them accordingly to the sketch.

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (8/11)

Student Notes:

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Create more three 3D curves joining the extremities.

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (9/11)

Student Notes:

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Switch to GSD workbench. Create a Geometrical set called ‘Surfaces’ in the ‘Center Parts’ Geometrical set. Create four extrudes of 150mm along Y axis in this geometrical set. Hide the 3D curves which were used to extrude the surface in the above step.

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (10/11)

Student Notes:

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Switch to FSS Workbench and create Net Surfaces. Use the boundaries of the extruded surface as dominant guides and keep Tangency

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (11/11)

Student Notes:

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Similarly, Create other Net surfaces

Open: Sea_Car_Step1_End_Product.CATProduct

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Freestyle Shaper, Optimizer and Profiler

Sea Car

Student Notes:

Step 2: Create the Side Panel 60 min

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These surfaces are created with a similar approach.

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (1/28) Open result of previous step: Sea_Car_Step1_End_Product.CATProduct if required

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Create Geometrical Set ‘Side Panel’. Create another geometrical set ‘Curves’ inside it Position the Compass on the anchor point. Its orientation depends on the shape you want to obtain Set Compass Orientation Create the “Belt Line” (Translate the compass away to properly select the first anchor point). 3D curve

Apply tangency to this curve

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Anchor Point

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (2/28)

Student Notes:

Position the compass in order to create the Profile, set it to YZ Plane Set Compass Orientation

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Create the Profile (Translate the compass away to properly select the first anchor point). 3D curve

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (3/28)

Student Notes:

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Tune the curves to ensure a good quality. Use Porcupine Analysis.

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (4/28) Insert a new Geometrical set ‘Surfaces’ Create a Styling Sweep using previously created curves Select Sweep type as ‘Simple Sweep’ Select the profile and spine

Spine

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Profile

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (5/28)

Student Notes:

Switch to GSD Workbench and extract the boundary of this styled surface. Create this Boundary in ‘Curves’ Geometrical set. Using Boundary tool

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Switch to FSS, position the Compass, and create the curve maintaining tangency with this extracted boundary. 3D Curve

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (6/28)

Student Notes:

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Create the following 3D curve maintaining the following constraints with the existing curves.

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (7/28)

Student Notes:

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Turn the Focus Off and switch to Parallel View mode if needed. Tune the curves to ensure a good quality using porcupine analysis

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (8/28)

Student Notes:

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Create Net Surfaces. Use the boundary of the Side surface as dominant Profile and keep the Tangency Net Surface

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (9/28)

Student Notes:

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Create the front surface using a Styling Sweep (hide the side curve and use the boundary to keep the Tangency) Styling Sweep

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (10/28)

Student Notes:

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Position the compass in order to create the Profile, set it to YZ Plane Set Compass Orientation Create the Door Profile (Translate the compass away to properly select the first anchor point). 3D curve

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (11/28)

Student Notes:

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Create the Door surface using a Styling Sweep Styling Sweep by selecting the spine and profile as shown

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (12/28) Position the compass in order to create the Profile, set it to YZ Plane Set Compass Orientation Create two curves to define the Rocker Profile (Translate the compass away to properly select the first anchor point). 3D curve

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1st 3D curve

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2nd 3D curve

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (13/28)

Student Notes:

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Use a Styling Curve Fillet to finish the rocker profile Styling Corner

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (14/28)

Student Notes:

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Create three extruded surfaces from the profile in X direction (use shift to set the position) Extrude

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (15/28)

Student Notes:

Switch to GSD Workbench, Join the surfaces and relimit the Door and the Rocker Join the three extrudes

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Trim this Join result with previous styling sweep operation

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (16/28)

Student Notes:

Position the compass in order to create the Glass Cylinder Profile, set it to YZ Plane Set Compass Orientation Create the Glass Cylinder profile (Translate the compass away to properly select the first anchor point). Use Porcupine analysis to control the Shape. 3D curve

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Porcupine analysis

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (17/28)

Student Notes:

Create the Glass Cylinder surface using a Styling Sweep Styling Sweep (Apply transparency to this surface) Profile

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Spine

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (18/28)

Student Notes:

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Create five curves for side windows by tracing out the lines in the picture 3D curve Tune the curves to ensure a good quality

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (19/28)

Student Notes:

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Switch to GSD Workbench. and project the resulting curve on the Glass Cylinder (use Y direction, G2 with 0.02mm to remove the vertices) Join all the five curves Project the resulting curve on the Glass Cylinder (use Y direction, G3 with 0.02mm to remove the vertices)

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (20/28)

Student Notes:

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Split the Styled surface using the project

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (21/28) Position the compass in order to create the Profile, set it to YZ Plane Set Compass Orientation Create the Profile (Translate the compass away to properly select the first anchor point). There is no indication from the picture, so create your own shape for the back of the car. 2 1

2

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1

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (22/28)

Student Notes:

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Create the curves to define the rear window on the XZ Plane. First create 3D curve to define the center for the rear window

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (23/28)

Student Notes:

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Create the curves to define the rear window on the XZ Plane. Create other 3D curves

Perform porcupine analysis on the curves and check for quality

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (24/28)

Student Notes:

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Create the rear window surface using net surface

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (25/28)

Student Notes:

Switch to GSD Workbench, join the two curves. Make sure to perform tangency and manifold checks

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Create a plane normal to this join curve

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (26/28) Split the Side window curve (projected curve) into two by the plane Plane

Two splits

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Projected curve

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (27/28) Create the front par of the Rail with a Blend surface (Keep Tangency with the window Glass surface).

Second Curve

First Support

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First Curve

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (28/28) Create the rear part using fill. Select the following curves as inputs to the fill surface

1

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The fill surface should maintain tangency with this surface

4

3 2

Open: Sea_Car_Step2_End_Product.CATProduct

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Freestyle Shaper, Optimizer and Profiler

Sea Car

Student Notes:

Step 3: Create the Wheel Arch 30 min

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These surfaces are created with a similar approach.

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (1/15)

Student Notes:

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Sketch a 2D Profile on ZX plane to create the Wheel Arch shape (Use Diameter =300mm) Extrude the Profile in Y direction and apply Transparency on the extruded surface

Open:Sea_Car_Step2_End_Product. CATProduct if required

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (2/15)

Student Notes:

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Turn the Focus off and switch to Front View. Create the Wheel Arch in YZ plane Extrude the Profile in X direction so that the extruded surface intersects the previous extrude

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (3/15)

Student Notes:

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Intersect the two extruded surfaces to create the Wheel Arch Curve Create a Parallel Curve on the second extruded surface (dist = 20mm, G1 with 0.02mm) Distance = 20mm G1 continuity with 0.02mm tolerance

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (4/15)

Student Notes:

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Smooth the two curves to be mono cell curves and create a blend surface between the Smoothed curves

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (5/15)

Student Notes:

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Switch to FSS and create a curve on the ZX Plane to specify the Wheel Arch influence area limit. (You can hide the surfaces and then create the 3D curve. Unhide the surfaces and then adjust the 3D curve shape as per the Wheel Arch. ) Use the Porcupine analysis to tune the shape.

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (6/15)

Student Notes:

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Switch to GSD Workbench and extrude the curve in Y Direction

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (7/15) Split the Side Panel surfaces by extruded surface. Split the surfaces shown.

2 3

1

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4

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (8/15)

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Using FSS Blend surfaces create the main Wheel Arch surfaces (Use Proportional continuity, Project endpoints and tune the shape manually)

Point continuity

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Proportional continuity

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (9/15)

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Using FSS Blend surfaces create the main Wheel Arch surfaces (Use Proportional continuity, Project endpoints and tune the shape manually)

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Point continuity

Proportional continuity

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (10/15) Also, fill the missing area between two blends

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Fill this area

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (11/15) Create a blend curve as shown Switch to GSD course and create a fill using the four curves/edges as shown

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Blend curve

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (12/15)

Student Notes:

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Extract the boundary as shown Create a line between the points of this boundary and existing smooth curve

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (13/15) Create points on the curves as shown

2nd Point on boundary

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1st Point on smoothened curve

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (14/15) Create a line between these two lines line

Create a net surface with the following inputs profile

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Dominant Guide Guide Dominant profile

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Net Surface

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (15/15) Create a fill using the following inputs. The fill surface maintains tangency with the net surface

2

3

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4

1

Open:Sea_Car_Step3_End_Product.CATProduct

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Freestyle Shaper, Optimizer and Profiler

Sea Car

Student Notes:

Step 4: Adjust the Shape by modifying the Curves 30 min

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The Sea-Car shape is tuned by modifying the inputs styling curves.

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Freestyle Shaper, Optimizer and Profiler

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Do It Yourself (1/3)

Student Notes:

Switch to FSS Workbench if needed and Display the other Half of the Car ( the connection at the center is ensured because of the construction of the surfaces). Visual Symmetry

Open result of the previous step: Sea_Car_Step_3_End.CATProduct if required

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (2/3)

Student Notes:

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Turn the Focus OFF, hide the surfaces and show all the 3D Curves. Edit and deform the curves until you fine tune them 3D Curve

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (3/3)

Student Notes:

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Part used: Sea_Car_Step_4_End_product.CATProduct

Show all surfaces, display Isophote analysis and tune the shape. Isophote 3D Curve

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Freestyle Shaper, Optimizer and Profiler

Hair Dryer

Student Notes:

Master Exercise 2: Using Surface Based Approach 140 min

In this exercise, you will learn how to design a new model of Hair Dryer from scratch, straight from the design idea you have in mind.

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While designing, you will use a surface-based approach.

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Design Intent: Hair Dryer

Create high quality surfaces Ensure good connections between surfaces Ensure symmetry of the model Create a nice design

Body Blend surface

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Handle

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68

Freestyle Shaper, Optimizer and Profiler Student Notes:

Design Process: Hair Dryer 2

1 Create the body of the Hairdryer

Create the handle

3 Blend body and handle

4

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Global modification Create offset and symmetric surfaces

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69

Freestyle Shaper, Optimizer and Profiler

Hair Dryer

Student Notes:

Step 1: Create the Body of the Hair Dryer 30 min

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The body is created from a simple basic surface, the shape is given by moving the control points.

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Freestyle Shaper, Optimizer and Profiler

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Do It Yourself (1/3)

Student Notes:

Create the basic rectangular surface with the required dimensions (about 250 x 130mm, for instance) Planar patch

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (2/3)

1

2

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Modify the shape of the basic surface in a top view (XY plane) Control points Modify the shape of the basic surface in the Z direction, change the order to increase the flexibility Control points

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (3/3)

Student Notes:

Project sides to Z=0 plane if needed Control points

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Impose vertical tangencies on the sides of the surface Extrusion Matching Constraint

CATFSS_Hairdryer_Step_1_End.CATPart

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Freestyle Shaper, Optimizer and Profiler

Hair Dryer

Student Notes:

Step 2: Create the handle of the Hair Dryer 30 min

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The handle is created with a similar approach. But it has to be created in several steps because of the grip shape.

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (1/4)

Student Notes:

CATFSS_Hairdryer_Step_2_Start.CATPart

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Create the starting rectangular surface Planar patch Modify the shape in a top view Control points

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (2/4)

Student Notes:

Modify the shape in the Z direction Control points

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Restore side planarity and vertical tangencies Control points

Extrusion Matching Constraint

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (3/4)

Student Notes:

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Extract 4 sections of the surface Geometry extraction Modify the extracted surfaces to give them the required shape Control points

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Freestyle Shaper, Optimizer and Profiler

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Do It Yourself (4/4)

Student Notes:

Blend the for surfaces Freestyle Blend Surface

CATFSS_Hairdryer_Step_2_End.CATPart

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Freestyle Shaper, Optimizer and Profiler

Hair Dryer

Student Notes:

Step 3: Blend the Body and the Handle 30 min

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Once the limit curve of the blend surface on the body has to be designed, the blend can be done in a surface-based approach, using the blend function, but could also be done in a curve-based approach, using the Freestyle “Sweep” or “Net”.

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (1/3)

Student Notes:

CATFSS_Hairdryer_Step_3_Start.CATPart

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Create the limit curve on the surface of the body Curve on Surface Give curve vertical end tangent directions Stretch view Control points

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (2/3)

Student Notes:

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Cut the surface Break surface Create the blend surface Freestyle Blend curves Extrude Fill with Temporary Analysis

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (3/3)

Student Notes:

Quality analysis Isophotes analysis

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Environment mapping Cutting planes Connect checker CATFSS_Hairdryer_Step_3_End.CATPart

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Freestyle Shaper, Optimizer and Profiler

Hair Dryer

Student Notes:

Step 4: Create Handle Bottom Surface 20 min

The handle lower surface is created with the fill function. In this step you will see two different methods to create fill surfaces: Creating the Handle Bottom Surface with Filling Surfaces function

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Creating the Handle Bottom Surface with Associative Filling Surfaces function

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (1/2)

Student Notes:

CATFSS_Hairdryer_Step_4_Start.CATPart

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Swap to GSD Workbench Extract the lower edge of the last handle surface Create the middle point of the previously extracted curve. Then split the curve by the point (Keep both sides option) Create a line between the two vertex extremities of the first extracted curve. Split it in the same way as the curve Create the two fills Swap to free style workbench Filling Surfaces: select the splits of the curve and the splits of the line set all the continuity constraints to Point continuity. Named the surface « FILL » Associative Filling: select the splits of the curve and the line (point continuity) Named the surface « ASSOCIATIVE FILL »

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (2/2)

Student Notes:

Hide all the wireframe and surfaces created on previous slide Modify the shape of last handle surface in the Z direction

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Control points Show FILL and ASSOCIATIVE FILL => ASSOCIATIVE FILL has been updated according to the new shape. => FILL is no longer connected to the handle Use undo function to get back to the previous handle shape Delete all the wireframe and surfaces created in this step CATFSS_Hairdryer_Step_4_End.CATPart

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Freestyle Shaper, Optimizer and Profiler

Hair Dryer

Student Notes:

Step 5: Global Modification Offset and Symmetry 30 min

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Some global operations can now be applied to the model such as a global shape modification, the creation of the inner skin and the creation of the symmetric part. Shape quality analysis is also an important issue in style design.

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Freestyle Shaper, Optimizer and Profiler Student Notes:

Do It Yourself (1/3) CATFSS_Hairdryer_Step_5_Start.CATPart

2mm

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2mm

Modify the shape of the hairdryer (design change) Global Deformation Create the inner skin Offset

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (2/3)

Student Notes:

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Create the symmetric part of the model Symmetry Check continuity between symmetric sides Connect checker

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Freestyle Shaper, Optimizer and Profiler

Do It Yourself (3/3)

Student Notes:

Analyze the quality of the model Isophotes Mapping

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Environment mapping Cutting planes Reflection lines CATFSS_Hairdryer_Complete.CATPart

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