My bad - please ignore my comments.
I make the assumption all the time, I have with him in this thread.
This!!
You can go even greater than 45deg if your cooling (and a few other settings) are well dialed in. Probably get clean up to 25deg from level, which will allow you to make wider indents. I can share more settings if you want to try.
Client lost interest in the project. I’ll move on to another challenge.
Looking forward to seeing the next instalment 
You are going to leave us hanging?
Ha! 
was just thinking the same thing: you can’t leave us hanging now!
I am aware, this was an example for @BillByrd so he understood the concept.
I am known for pushing the limits on angled designs without supports.
Each of these prints flat (light side down).
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I did not mean to imply you didn’t know that! I figured you did. That was for the benefit of @BillByrd . I should’ve been clearer
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