Needing dimensions measurements for camper frame mounts for my truck

So my grand father is gonna make my truck camper mounts we gonna do base off torklift ,

Only problem I can't dimensions or a diagram or measurements of them

I have 2012 tundra double cab 6.6 bed with factory hitch any help be great and no I can't really afford mounts I'm on fixed income

Also your able get dimensions can u please Wright them on the image provide so we can refer to it correctly

Thank you in advance

 

Probably not a lot of people on here with those mounts, as it was pointed out in your other thread that truck campers are too much for a tundra. I’m retired so I’m also on “fixed income”, but I know better than to do stuff thats unsafe. You might want to try asking on an RV forum. Good luck.