|angled mouth with door stops|
In many of the modern brick ovens, the throat and flue sit above a deep recess between the face of the oven and the mouth. This prevents both a sight-line and working access to the front edges of the dome's interior.
|large shelf area|
|angle-iron chimney supports|
|a bit of tricky geometry|
The illustrated methods here are suited for ovens that are smaller and self-contained.