Sphere

In this Task 

A Sphere will be inserted onto the original construction circle.

Before you Start 

The view is set to Isometric North East.

Set the Workplane to Workplane by World.

Sphere

Ribbon : Draw | Draw 3D | Sphere

Default Menu : Draw | 3D Objects | 3D Primitives | Sphere

Palette : 3D Model | 3D Object | Sphere

Creates a sphere by indicating a center point and a radius. The radius can either be given by indicating a point in the workspace, or can be input into the radius field of the Inspector Bar.

Set the Workplane to Plane by World by right clicking in the editor and selecting this option from the local menu.

Activate a Center Right click on the SNAP tab, activate CENTER snap, or right click in the editor and select Local Snap | CENTER. snap, then Insert a Sphere using the menu options above, using the center of the construction circle, shown below.

Make the Sphere radius 155.

Always check the model from different viewpoints to check accuracy, shown below.

 

Sphere inserted onto center of construction circle.

Faceter tolerance set to 30. Go to Options | ACIS | Expert Faceter Parameters | Set the Normal Tolerance to 30.

World Plan view	Isometric view	Right side view