When importing multiple parts into the slicer, before you slice you have the merge all the parts or they will be treated as separate objects and the raft will print on top of each other.
Reputation over time
It looks like this user hasn't gained any reputation yet.
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
When importing multiple parts into the slicer, before you slice you have the merge all the parts or they will be treated as separate objects and the raft will print on top of each other.