Mod «DoorAccelerator» for Rimworld (v1.2 - 1.3)

A wall-mounted door acceleration device will be added.
Speeds up the opening and closing of adjacent doors.
In order of speed:

1. Auto door(accelerated)
2. Auto door
3. Door(accelerated)
4. Door

Furthermore, it depends on the stuff.
(Wood > Metal and jade > Uranium > Stone)
Wooden door and accelerated stone door are about the same speed.
Require research: Autodoors.