Here’s how to rotate an object indefinitely in Blender 3D without using keyframes. We will use a driver to keep the object rotating.

A beach scene with nature assets
Geo Scatter Add-on for Blender

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Add Driver to Object Rotation

To have an object continuously rotate without keyframes, we will use a driver. As an example, we will rotate a car along its Z axis as if it was on a turntable.

Rotate an Object FOREVER in Blender 3D (Micro Tip)

The car used in our example was created using the Traffiq Add-On which creates highly realistic cars within seconds.

In Object Mode, select the object (the car) and press “N” to open the sidebar menu. Go to the “Item” tab in the sidebar where the object’s location, rotation and scale values are displayed.

Since we want to rotate the car along the Z axis, go to the “Z” value in the rotation settings. Click on the value.

The Z rotation value is selected in the sidebar of the Blender 3D viewport.

Type “#frame” into the value for the Z axis. This creates a driver and tells Blender to increase the object’s rotation in relation to the animation frame count. As the frames increase in the animation, the object will rotate – forever.

A driver is added to a rotation value in the Blender sidebar menu.

We will also notice the Z rotation setting has turned purple. This indicates it has a driver applied to it.

The Z rotation value for an object is purple in the sidebar to indicate it has a driver applied to it.

Play our animation (usually “spacebar” by default). We will likely notice the animation rotating very rapidly. We can fix this.

Decrease Speed of Driver

To delete the previously created driver, right click the Z rotation value and choose “Delete Drivers.”

The option to delete all drivers from a value is displayed in the Blender 3D viewport.

Create a new driver. This time, type “#frame/10” – This divides the rotations speed by ten (the “/” means “divide”). Now the object will rotate 1/10 as fast as it did before.

A driver's value is divided by ten in the Blender sidebar.

We could slow it down more by increasing the number by which we divide the frame speed. Typing “#frame/100” will make the rotation be 1% the speed it was originally.

Increase Speed of Driver

We can increase the speed by typing something like “#frame*2” – The * symbol represents multiplication. In this example, we would multiply the base speed by two.

A driver's value is multiplied by ten in Blender.

Conclusion

This is one of the simplest driver examples, but it obviously has many uses. There are more complex things we can achieve with drivers in Blender. Be sure to subscribe to my YouTube channel for more quick Blender tips.