of course sorry for delay.

Requirements: wmctrl, xdotool

My left screen is 1440p, second screen to the right is 1080 in portrait so you will have to swap the horz/vert locations to match your layout.

#!/bin/bash

# Time in seconds to wait after launch of program and manipulation of window
timer=5

# Launch FreeCAD maximized on the main screen
freecad &
sleep $timer  # Wait for FreeCAD to launch
wmctrl -r "FreeCAD" -b add,maximized_vert,maximized_horz

# Launch Cura on the second screen, top half
cura &
sleep $timer  # Wait for Cura to launch
xdotool search --onlyvisible --name "Ultimaker Cura" windowsize 540 960 windowmove 2560 0

# Launch Firefox on the second screen, bottom half
firefox &
sleep $timer  # Wait for Firefox to launch
xdotool search --onlyvisible --name "Mozilla Firefox" windowsize 540 960 windowmove 2560 960

echo "Applications have been launched and positioned."