diff --git a/Tools/environment_install/ubuntu-18.04-python3.sh b/Tools/environment_install/ubuntu-18.04-python3.sh
new file mode 100755
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+++ b/Tools/environment_install/ubuntu-18.04-python3.sh
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+#!/bin/bash
+
+set -e
+set -x
+
+# this should be install by default, but may as well:
+sudo apt install python3
+
+# add $HOME/bin into the binary search path so we can force python-is-python3:
+mkdir $HOME/bin
+rm -f $HOME/bin/python
+ln -s /usr/bin/python3 $HOME/bin/python
+
+echo 'export PATH=$HOME/bin:$PATH' >>$HOME/.profile
+
+# apt Python packages (swiped from install-prereqs-ubuntu.sh):
+sudo apt install -y python3-wxgtk4.0 python3-opencv python3-matplotlib python3-pip
+
+# pip-install python packages (also swiped from install-prereqs-ubuntu.sh):
+pip3 install future lxml pymavlink MAVProxy pexpect flake8==3.7.9 requests==2.27.1 monotonic==1.6 geocoder empy configparser==4.0.2 click==7.1.2 decorator==4.4.2 dronecan pygame intelhex empy