All necessary files required to spawn a semi transparent beaker in the gazebo environment integrated with ROS.
Model created using Blender 2.82
Simply edit the lauch file for your gazebo environment by adding a new node with the appropriate path specified.
An example for this:
<node name="spawn_box"
pkg="gazebo_ros"
type="spawn_model"
args="-sdf -file <your path here> -model box -x <x value here> -y <y value here> -z <z value here>"
respawn="false"
output="screen" />