Reference geometry (planes, axes, points) in Solidworks - Cell-by-Cell Formula Trace

Sample Data

This table shows reference geometry features created in SolidWorks. Each row describes a feature type (plane, axis, point), the references used to create it, and the resulting geometry.

Cell	Value
A1	Feature
B1	Type
C1	Reference 1
D1	Reference 2
E1	Result
A2	Plane1
B2	Plane
C2	Front Plane
D2	Right Plane
E2	Plane at 45°
A3	Axis1
B3	Axis
C3	Edge1
D3
E3	Axis along Edge1
A4	Point1
B4	Point
C4	Plane1
D4	Axis1
E4	Intersection Point

Formula Trace

Create Plane1 = Angle between Front Plane and Right Plane is 45° Create Axis1 = Axis along Edge1 Create Point1 = Intersection of Plane1 and Axis1

Step 1: Angle between Front Plane and Right Plane

Step 2: Create Plane1 at 45° to Front Plane towards Right Plane

Step 3: Create Axis1 along Edge1

Step 4: Find intersection of Plane1 and Axis1

Cell Reference Map

     A          B          C             D             E
1 | Feature | Type    | Reference 1 | Reference 2 | Result
2 | Plane1  | Plane   | Front Plane | Right Plane | Plane at 45°
3 | Axis1   | Axis    | Edge1       |             | Axis along Edge1
4 | Point1  | Point   | Plane1      | Axis1       | Intersection Point

This map shows the cells used as references for creating each reference geometry feature. Plane1 uses Front and Right Planes, Axis1 uses Edge1, and Point1 uses Plane1 and Axis1.

Result

     A          B          C             D             E
1 | Feature | Type    | Reference 1 | Reference 2 | Result
2 | Plane1  | Plane   | Front Plane | Right Plane | Plane at 45°
3 | Axis1   | Axis    | Edge1       |             | Axis along Edge1
4 | Point1  | Point   | Plane1      | Axis1       | Intersection Point

The final result shows the created reference geometry features with their types, references, and resulting geometry names.

Sheet Trace Quiz - 3 Questions

What is the angle between the Front Plane and Right Plane before creating Plane1?

A 180°

B 45°

C 90°

D 0°

Key Result

Reference geometry features are created by combining existing planes, edges, and axes to define new planes, axes, or points.

Practice

1. What is the main purpose of creating reference geometry like planes, axes, and points in SolidWorks?

easy

A. To add color and texture to parts

B. To increase the file size of the model

C. To provide invisible guides for sketching and aligning parts

D. To automatically generate 3D animations

Solution

1. Step 1: Understand what reference geometry does

   Reference geometry creates invisible guides such as planes, axes, and points that help in sketching and aligning parts accurately.

2. Step 2: Eliminate unrelated options

   Adding color, increasing file size, or generating animations are unrelated to reference geometry's purpose.

3. Final Answer:

   To provide invisible guides for sketching and aligning parts -> Option C

4. Quick Check:

   Reference geometry = invisible guides [OK]

Hint: Reference geometry guides your design, not decor or animation [OK]

Common Mistakes:

• Confusing reference geometry with visual effects
• Thinking it changes part appearance
• Assuming it creates animations

2. Which of the following is the correct way to create a new reference plane offset from an existing plane in SolidWorks?

easy

A. Right-click the part and select 'Add Axis'

B. Draw a line and convert it to a plane

C. Use the Extrude tool on the existing plane

D. Select the existing plane, then specify the offset distance and direction

Solution

1. Step 1: Recall how to create an offset plane

   In SolidWorks, to create an offset plane, you select an existing plane and specify the offset distance and direction.

2. Step 2: Identify incorrect methods

   Drawing a line or using Extrude does not create planes. Adding an axis is unrelated to creating a plane.

3. Final Answer:

   Select the existing plane, then specify the offset distance and direction -> Option D

4. Quick Check:

   Offset plane = select plane + offset [OK]

Hint: Offset planes start from existing planes with distance [OK]

Common Mistakes:

• Trying to create planes from lines
• Using Extrude tool incorrectly
• Confusing axes with planes

3. Given a part with a default Front Plane and a created reference axis along an edge, what will happen if you create a new plane perpendicular to that axis and passing through a point on the part?

medium

A. A new plane will be created perpendicular to the axis and passing through the point

B. An error will occur because planes cannot be perpendicular to axes

C. The existing Front Plane will be deleted

D. The axis will be converted into a plane

Solution

1. Step 1: Understand plane creation rules

   In SolidWorks, you can create a plane perpendicular to an axis and passing through a point by selecting those references.

2. Step 2: Evaluate the options

   No error occurs; existing planes are not deleted; axes are not converted into planes automatically.

3. Final Answer:

   A new plane will be created perpendicular to the axis and passing through the point -> Option A

4. Quick Check:

   Plane perpendicular to axis + point = new plane [OK]

Hint: Planes can be perpendicular to axes through points [OK]

Common Mistakes:

• Thinking planes can't be perpendicular to axes
• Assuming existing planes get deleted
• Confusing axes and planes

4. You tried to create a reference axis by selecting two points, but SolidWorks did not create the axis. What is the most likely reason?

medium

A. The two points are coincident or the same point

B. You need to select three points to create an axis

C. Axes cannot be created from points in SolidWorks

D. You must create a plane first before creating an axis

Solution

1. Step 1: Understand axis creation from points

   To create an axis from two points, they must be distinct and not coincident.

2. Step 2: Analyze the problem

   If the points are the same or coincident, SolidWorks cannot define a direction for the axis, so it fails.

3. Final Answer:

   The two points are coincident or the same point -> Option A

4. Quick Check:

   Distinct points needed for axis [OK]

Hint: Two distinct points needed to create an axis [OK]

Common Mistakes:

• Selecting the same point twice
• Thinking three points are needed
• Believing axes can't be made from points

5. You need to create a reference plane that is angled 45 degrees to the Front Plane and passes through a specific edge of your part. Which steps should you follow?

hard

A. Draw a sketch on the Front Plane and extrude it at 45 degrees

B. Select the Front Plane, then select the edge as the rotation axis, and set the angle to 45 degrees

C. Create a new axis first, then create a plane offset 45 degrees from the Top Plane

D. Select the edge and convert it directly into a plane

Solution

1. Step 1: Use the Front Plane and edge as references

   To create an angled plane, select the Front Plane as the base and the edge as the rotation axis.

2. Step 2: Set the angle to 45 degrees

   Specify the angle of 45 degrees to create the new reference plane at the desired orientation.

3. Final Answer:

   Select the Front Plane, then select the edge as the rotation axis, and set the angle to 45 degrees -> Option B

4. Quick Check:

   Plane angled 45° = base plane + edge axis + angle [OK]

Hint: Angle planes by rotating base plane around edge axis [OK]

Common Mistakes:

• Trying to convert edges directly into planes
• Using wrong base plane for angle
• Skipping axis creation step