From 2019 to 2022 (Thanks Covid), I was the recovery lead of UBC rocket's whistler Blackcomb project, attempting to be the first student-built liquid rocket to reach the edge of space
At that time my team and I designed and began prototypes of a recovery system that can decelerate an extremely heavy rocket from supersonic speeds. The design used stable 3 parachute configurations with a 2-stage recovery. Three supersonic, closed canopy ballutes are used for the initial descent after apogee, and 3 ringsail parachutes are released once the rocket has entered the transonic region of its descent, around 3000m above the ground.
My time was spent designing the bay that the parachutes would rest in during the flight. The design allows for 3 parachutes to be released from side panels in the rocket simultaneously while ensuring that the bay doors remain securely locked during the flight. The bay is built to withstand the intense stresses experienced during decent, and still provide the most area possible to release our large parachutes.

A lot of the work done on this project deserves a conversation but doesn't translate well into a visual format. Feel free to reach out of you have any questions!
The videos below demonstrate the rotary locking mechanism for the bay doors
credit to Copenhagen Suborbitals for the photo of the ballute parachute