Examples

In this section, techniques learned in previous sections are implemented to create the geometries of real parts. There are total 35 exercises in this section. These exercises have been arranged in increasing order of complexity. This is the most important section of the tutorials.

Exercise 2

In this exercise we will create the surface model of a hand grip. The topics elaborated are as follows.

• Defining the section of a variable section sweep feature with spline
• Controlling tangency dimensions of a spline

Exercise 3

In this exercise we will learn to fix a distorted boundary blended surface. The topics elaborated are as follows.

• Changing the location of Start Point

Exercise 4

In this exercise we will create the surface model of a shampoo bottle. The topics elaborated are as follows.

• Defining a boundary blended surface with constraints
• Thickening a quilt

Exercise 5

In this exercise we will create the surface model for a door of drawer. The topics elaborated are as follows.

• Creating datum curves through existing points
• Applying tangency conditions to the datum curves
• Defining a boundary blended surface with constraints

Exercise 6

In this exercise we will create the surface model for a plastic chair. The topics elaborated are as follows.

• Creating a datum curve that lies on selected surface
• Trimming surface

Exercise 7

In this exercise we will create the surface model for a jug. The topics elaborated are as follows.

• How to make the parent and mirrored surfaces tangent to each other
• Freely tweaking a datum curve
• Trim a surface with projected curve

Exercise 8

In this exercise we will create the surface model of the scoop for a car. The topics elaborated are as follows.

• Creating a datum curve through multiple datum points
• For a surface to be normal or tangent to a reference, underlying datum curve must also be normal or tangent, respectively to the reference.

Exercise 9

In this exercise we will create the surface model of the pulsator for a washing machine. The topics elaborated are as follows.

• Mapping points for boundary blended surface
• Pattern a surface

Exercise 10

In this exercise we will create the surface model of a channel. The topics elaborated are as follows.

• Why it is advantageous to pick the surface edge instead of underlying datum curve fro creating a boundary blended surface.
• How to make the side edges of the blended surface tangent to the side edges of the reference surfaces.
• How to control the influence of reference surfaces while creating a boundary blended surface

Exercise 11

In this exercise we will create the surface model of a mobile phone. The parting surface of the part is non-planar. It will be shown how to build draft into the surfaces instead of using Draft Tool. The topics elaborated are as follows.

• How to build draft angle in the definition of variable section sweep surface
• How to achieve constant draft angle for complex  split-surface assemblies

Exercise 12

In this exercise we will create the surface model of a receiver. The topics elaborated are as follows.

• How to make variable section sweep surface tangent to adjacent surfaces while maintaining constant draft angle
• Analyzing a part for sufficient draft

Exercise 13

In this exercise we will create the surface model of a mobile phone. The parting surface of the part is non-planar. It will be shown how to build draft into the surfaces instead of using Draft Tool. The topics elaborated are as follows.

• How to build draft angle in the definition of boundary blended surface
• How to achieve constant draft angle for complex  split-surface assemblies
• Getting better quality surfaces by choosing suitable blending option

Exercise 14

In this exercise we will create the surface model of a torch. The topics elaborated are as follows.

• How to build draft angle in the definition of boundary blended surface
• Mapping of boundary blended surface at custom defined control point

Exercise 15

In this exercise we will create an indent in the surface model of a component.

Exercise 16

In this exercise we will create an indent in the surface model of a component. If a boundary blended surfaces is created between two existing surfaces, both have influence on the shape of the surface. This influence can be controlled to get ergonomic surfaces. The topics elaborated are as follows.

• Creating curvature continuous surfaces
• Creating curvature continuous rounds
• How to control the influence of reference surfaces while creating a boundary blended surface

Exercise 17

In this exercise we will create an indent behind the car door handle. The round shown is not created with Round tool instead boundary blended surface is fine tuned to give the effect of round. The topics elaborated are as follows.

• Creating curvature continuous rounds
• Getting better quality surfaces by choosing suitable blending option
• How to control the influence of reference surfaces while creating a boundary blended surface

Exercise 18

In this exercise we will create the surface model of a spoon. The topics elaborated are as follows.

• How to achieve "implied tangency" while creating symmetrical parts.
• Avoiding singularities

Exercise 19

In this exercise we will create the surface model of a clock. The topics elaborated are as follows.

• For a surface to be normal or tangent to a reference, underlying datum curve must also be normal or tangent, respectively to the reference.
• Pattern a surface
• Maintain tangency across patterned surfaces
• Analyzing the quilt with Dihedral Angle tool to determine the level of tangency

Exercise 20

In this exercise we will create the surface model of a fan base. Here a lot of techniques learned in previous exercises are implemented together. The topics elaborated are as follows.

• How to achieve "implied tangency" while creating symmetrical parts.
• Avoiding singularities
• Creating rounds with boundary blended surfaces instead of Round Tool
• Analyzing the quilt with Dihedral Angle tool to determine the level of tangency

Exercise 21

In this exercise we will create a pipe intersection of different cross-sections. The new techniques learned here are as follows.

• How to constrain a datum curve in a specified plane or surface
• Taking advantage of multiple symmetries in a part

Exercise 22

In this exercise we will create a pipe intersection of "Y" shape. The topics elaborated are as follows.

• Creating surfaces for gaps requiring five sided boundary blended surface
• Trimming surfaces to achieve favorable geometry for a four chain boundary blended surface

Exercise 23

In this exercise we will create a pipe intersection of multiple cross-sections. The new techniques learned here are as follows.

• Fixing degenerate surfaces
• Inserting curves in boundary blended surface

Exercise 24

In this exercise we will create a model for soup spoon . The new techniques learned here are as follows.

• Avoiding singularities in non-symmetric parts
• Trimming surfaces to achieve favorable geometry for a four chain boundary blended surface

Exercise 25

In this exercise we will create a model of bicycle headlight. The new techniques learned here are as follows.

• How to make a curve normal to a selected edge and at the same time tangent to a surface
• Creating rounds with boundary blended surfaces instead of Round Tool

Exercise 26

In this exercise we will create a surface model of an electric iron. The topics elaborated are as follows.

• Trimming surfaces to achieve favorable geometry for a four chain boundary blended surface
• How to make a curve normal to a selected edge and at the same time tangent to a surface

Exercise 27

In this exercise we will create a model of binocular. The topics elaborated are as follows.

• Creating surfaces for gaps requiring five sided boundary blended surface

Exercise 28

In this exercise we will create a surface model of sink mixer. The new techniques learned here are as follows..

• Using Ribbon Surface to make surfaces tangent while minimizing parent -child relations

Exercise 29

In this exercise we will create a model for a bicycle seat. It will also be shown how to convert a quilt into a solid and then shell it out to achieve uniform thickness solid parts.

Exercise 30

In this exercise we will create another model for a bicycle seat. Here all the surfaces will be curvature continuous to each other. A new technique will be introduced to achieve desired reflective behavior of surfaces and avoid singularity.

Exercise 31

In this exercise we will create a surface model for a shower head. The most important aspect is building draft so that geometry is manufacturable. Here a lot of techniques learned in previous exercises are implemented together.

Exercise 32

In this exercise we will create a model for a shoe. The most important aspect is to constrain the movement of curve in a single plane while tweaking. It will also be shown how the blending options of boundary blended surface affects the quality of resultant surface. Here solidify and thicken operation will be performed in a same part.

Exercise 33

Exercise 34

Exercise 35