Version: ROS 2 Jazzy

post_quad

mounts:
  post:
    - parent: base_link
      xyz: [0.0, 0.0, 0.0]
      rpy: [0.0, 0.0, 0.0]
      model: quad
      spacing: 0.08 # distance between posts
      height: 0.075 # height of post

Attach an accessory to the post by setting the accessory's parent parameter to post_0_mount.