Running k3d on macOS is very simple. Below is a quick and diryt recipe.
Prerequisites
Use Homebrew to install k3d
    brew install k3d
        
        Create your Kubernetes cluster
    k3d create
        
        Get the KUBECONFIG file and export it to your environment
    export KUBECONFIG="$(k3d get-kubeconfig --name='k3s-default')"
        
        Verify your cluster is running
    kubectl get pods --all-namespaces
        
        And voila that is it!
Posted April 8th, 2020