the factory, get the crowbar to open the vent
in the air vent
There is no vent room on Cryptids Island. There are vents on 24 Carrot Island.
The blueprint for the vent system is in a window on the outside, near the top of the factory.
It is to the right side of the vent system. You will go there to free the drone and get the password to the computer system. (see related question)
You get a item the allows you to get out of the factory on 24 Carrot island. It"s like a carrot-like control.
If you already have the blueprints to the factory vent system, go up into the factory. Otherwise, use the transporter to go back outside, and get the plan from the window near the roof.
The wire cutters are in the vent just outside the Processing Room (far right then down in the vent system). You will use them in the Freezer room to cut all the wires of the security alarms.
In The tunnel leading the processing room (find on map ;) )
you get out of the freezer by going out the vent door!!!!!!!!!!!!!!!!!!!!!:)
If you need to go out and come back (for the vent blueprint), use the Carrot Transporter. Otherwise, completing the game provides your exit.
The wire cutters are just outside the Processing Room, in the lower left of the vent system. Once you have them, you can go into the Processing Room, where the flying robot guard will transport you to the Freezer Room. There you can cut the three wires and shut off the security system.
The blueprint is on the Factory roof in a boarded window. (see related question)