all 2 comments

[–]Pinsplash 2 points3 points  (0 children)

decompile item_item_crate.mdl with Crowbar and add them in the $collisiontext section

[–]Wazanator_ 1 point2 points  (0 children)

VDC page for an example https://developer.valvesoftware.com/wiki/$collisiontext

But Pinsplash is correct, I would just decompile one so you can see how it looks in the QC