Here, the geometry that points the telescope into the sky is selected, but not the base, which needs to stay on the ground. With the Select tool ( ), select the geometry you want to rotate.
Here's how to use the Rotate tool to spin geometry around: For example, say you want to rotate this telescope so that it points at a different angle or a different part of the sky. With the Rotate tool, you can rotate geometry at any angle. See Selecting Geometry for tips on making complex selections. When you're modeling objects like cars (or anything that's the same on both sides), mirroring enables you to create one half of a model (1), copy it (2), and then flip the copy (3) to create a mirror that completes the model, as shown in the following figure. Tip: By combining the Copy and Flip Along commands, you can mirror geometry.
Developing Components and Dynamic Components.Adding Premade Components and Dynamic Components.Applying Colors, Photos, Materials, and Textures.Modeling Specific Shapes, Objects, and Building Features in 3D.Adding Text, Labels, and Dimensions to a Model.Modeling Complex 3D Shapes with the Solid Tools.Measuring Angles and Distances to Model Precisely.Offsetting a Line from Existing Geometry.Softening, Smoothing, and Hiding Geometry.Scaling Your Model or Parts of Your Model.Flipping, Mirroring, Rotating and Arrays.Dividing, Splitting, and Exploding Lines and Faces.Introducing Drawing Basics and Concepts.SketchUp 2021 - Frequently Asked Questions.