If these files are at all helpful, please give an endorsement so that others can find them.
BONUS Tricks and Help Commands
Fix for Invisible Companion
prid *character id*
disable
enable
`Console Command - type prid and companion id
Example for Cait - prid 79305
then type disable
then type enable
This should make your invisible companion visible again
Fix for Invisible Pip-Boy
`Console Command
player.additem 00021b3b
player.equipitem 00021b3b
This should make your invisible Pip-Boy visible again
Force Trade Window with NPC
`Console Command
Select NPC with left mouse click so you can see their ID # on screen
openactorcontainer 1
BONUS Tricks and Help Commands
Fix for Invisible Companion
prid *character id*
disable
enable
`Console Command - type prid and companion id
Example for Cait - prid 79305
then type disable
then type enable
This should make your invisible companion visible again
Fix for Invisible Pip-Boy
`Console Command
player.additem 00021b3b
player.equipitem 00021b3b
This should make your invisible Pip-Boy visible again
Force Trade Window with NPC
`Console Command
Select NPC with left mouse click so you can see their ID # on screen
openactorcontainer 1