Hope this helps! Ill be posting my setup once i get the images into a collage picture to show them all on here. (still newer to reddit)
https://www.amazon.com/Management-Sleeve-JOTO-Computer-Entertainment/dp/B015HWXG4M?th=1&psc=1
While not paracord, these answer everything else. Different sizes available 19" and 40".
raceway for tv cords Cable clips Velcro cable ties Cable sleeve Cable drops Another type of raceway
Those are some things ive used. ive added pics of my setup and how ive used them. honestly the best way to find ideas is just look up Desk cable managment in youtube and watch some videos thats how i got some of these ideas! Hopes this helpds man
Seriously, it comes with four sleeves and they are a life saver.
Cable Management Sleeve, JOTO Cord Management System for TV / Computer / Home Entertainment, 19 - 20 inch Flexible Cable Sleeve Wrap Cover Organizer, 4 Piece - Black https://www.amazon.com/dp/B015HWXG4M/ref=cm_sw_r_cp_api_i_qiERDbE77DR5C