First time only.
mkdir myproject
cd myproject/
python -m venv venv
source venv/bin/activate
git clone git@github.com:username/myproject.git
Divergence-convergence model by Béla H. Bánáthy
Double Diamond by British Design Council
Install Xcode Command Line Tools.
xcode-select --install
Install Homebrew.
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"