Take your 24” x 4” top rail. Glue and screw it to the top 8-degree angled cut of the side panels. Ensure the front edge overhangs the side panels by ¼” for a soft lip.

Take your two side panels. Attach the Bottom Stretcher (24” wide) flush with the bottom edge using glue and screws. Attach the Back Support Slat at the top rear edge. You now have a standing “U” shape.

Mount the entire kneeler on a 6” riser base. This allows a person in a wheelchair to roll under the armrest and sit-kneel without transferring.

For a DIY plan to "work" effectively, it must account for human proportions: Pitch and Angle: