Isometric views is a view angle that all lines on each axis are parallel to each other. In Blender, we can set isomeric view by adding a camera with orthographic view, then move and rotate the camera. Below steps are showing how to set isometric view in Blender. Happy sharing and I hope this helps. More Blender Tutorial are available here.
How to set isometric view in Blender
1. Firstly, we can add a a new camera. We can go to Add > Camera
2. Then, we can set camera. Select Camera and go to View > Cameras > Set Active Object as Camera or we can use shortcut Ctrl + Numpad 0
3. After setting camera as view, we can move camera to 10,-10,10 in Location X,Y,Z. Also, we can set Rotation X,Y,Z, to 54.736°,0°,45° , as below screenshot shown.
4. Go to object Data Properties, set Lens Type to Orthographic
5. If the object is too large or too small in camera view, we can adjust the value Orthographic Scale to fit camera view