Modular helmet mount ADDON - variable heads

This is an addon for https://makerworld.com/en/models/381759#profileId-281930 Some people asked me for other mounting heads for the modular system. Here they are!It gives you more variabilty for the head to get your helmet on.2 versions: half round - and with 4 spikes to lay helmet on. Enjoy and give feedback if you need more addons.