When working on game development and design in Unity, it's important to have a clear view of the grid lines in the 3D view to ensure accurate placement of game elements. Here's how to make all grid lines show in 3D view:

Step 1: Open Unity and navigate to the Scene view where you want to make all grid lines show in 3D view.

Step 2: Click on the 'Gizmos' dropdown menu located at the top right corner of the Scene view.

Step 3: Select 'Grid' from the options available in the 'Gizmos' dropdown menu. This will enable the visibility of the grid lines in the 3D view.

Step 4: If you want to customize the appearance of the grid lines, you can click on the small gear icon next to the 'Gizmos' dropdown menu. This will open the Gizmos menu where you can adjust the grid settings such as grid size, color, and opacity.

By following these steps, you can easily make all grid lines show in 3D view in Unity. This will help you align and position game objects with precision, and ensure a polished look for your game environments.

In addition to enhancing the visual clarity of your 3D view, making all grid lines show can also improve your workflow efficiency and productivity. It provides a reliable reference for object positioning, scale, and overall spatial awareness within the game environment.

In conclusion, knowing how to make all grid lines show in 3D view is a crucial skill for game developers and designers using Unity. It allows for accurate object placement and alignment, which are essential for creating immersive and visually appealing game worlds.

So, the next time you're working on a game project in Unity, remember to utilize the grid lines in the 3D view to streamline your design process and create a more polished final product.