New, safe, and easy TNT-Door-Skip by ProtoAus:

"I don't have those BXT commands/What is BXT?

BXT is a plugin that is used for speedrunning goldsrc games and a lot of useful features like timer, speedometer and most importantly

bxt_hud_viewangle 1

You can get it here: https://github.com/YaLTeR/BunnymodXT/...

How do i lower my framerate?

Preferably by binding it to keys, here are the binds and keys i use.

bind x "fps_max 20" bind c "fps_max 250"

What are the angles for the trick again?

Have your Yaw as close to 270 (at the door) as you can and have your Pitch be between 60.100 - 61.300"