Hi there,   I'm new to minecraft modelling, not to Java though. I try to make a custom mod, that adds a helicopter. For the start I tried to basically copy a boat.    The problem: When I spawn the custom entity, it is invisible. It is definitly there, since I can kill it with the ingame comments and TNT can destroy the entity, with the explosion dropping the item. Basically i copied the minecraft boat classes, so i guess it has something to do with rendering or regi