How to create physics collisions for props

[The_Gl!tch.exe]

If you have a prop in TF2 where players can walk straight through it even though the "Collisions" parameter is set on "Use VPhysics", it's missing a phy-file which defines the collisions of your prop.

In case, here's a guide I've made showing you how to create one:
https://steamcommunity.com/sharedfiles/filedetails/?id=1966520100

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