You can model a crossover on XSIM for your specific drivers.
https://libinst.com/Xsim/XSimSetup.exe
If you want to keep it simple then you can just use a 2way/3way crossover calculators for the getting the values and schematic.
https://www.diyaudioandvideo.com/Calculator/SpeakerCrossover/
This link is a nice place to start you have calculators for both 2 and 3 way speakers. You can play around and see.
They are very simple to build if you are handy with a soldering iron. This can also be a great first project if you want to become good with a solder iron

.