I decided to put together some instructions for the panelled doors in my yellow castle build.

The door itself uses two 2x2x2 box pieces for the panel detail, and is inset half a stud from the frame meaning that two 1x3x3 arches can be used at the top sitting proud of the frame by half a stud to give the door a characteristic gothic pointed or ogival arch shape.

As with any of my instructions, please let me know if they are useful to you. I would love to see what you do with them!