Why Mirror entities in sketch in Solidworks? - Purpose & Use Cases

The Big Idea

What if you could create perfect symmetry with just one click instead of redrawing everything?

The Scenario

Imagine you are designing a mechanical part and need to create symmetrical features on both sides. You try to draw each side manually, carefully matching every line and curve.

The Problem

Drawing each side by hand is slow and tiring. Small mistakes happen easily, and fixing one side means repeating the same corrections on the other. This wastes time and causes frustration.

The Solution

Using the 'Mirror entities in sketch' feature lets you draw one side and automatically create a perfect mirrored copy on the other side. This saves time and ensures exact symmetry without extra effort.

Before vs After

✗ Before

Draw left side lines and curves
Then redraw right side lines and curves

✓ After

Draw left side lines and curves
Select mirror line and mirror entities

What It Enables

You can quickly create perfectly symmetrical designs, reducing errors and speeding up your workflow.

Real Life Example

Designing a car wheel rim where one half is drawn and the other half is mirrored to ensure balance and aesthetics.

Key Takeaways

Manual drawing of symmetrical parts is slow and error-prone.

Mirror entities automates symmetry with one action.

This leads to faster, more accurate designs.