Cryopods must be crafted in an obelisk, loot crate, supply crate, or tek replicator. You will need to be level 51.
2 Metal Ingot
4 Oil 8 Polymer, or organic polymer.
Cryopond spawn command cheat gfi cryopod 1 0 0
The cryofridge is crafted in the same location as the cryopods above, but you will need to be level 88. The cryofridge must be powered by electricity and will make the cryopods last indefinitely.
225 Metal Ingots
60 Polymer or Organic Polymer
Cryofridge spawn command cheat gfi CryoFridge 1 0 0
After you release a dino from the cryopod there is a sort of buffer period that lasts 500 seconds. If you release another dino(s) during that time the creature will experience cyosickness, which puts them to sleep for a long time, making them very vulnerable to wild dinos and hostile players.