#6 hollow to a full width shaving followed by tipping it at a more severe angle to transition it smoothly into the vertical face. This turns a circle segment into an oval segment
Flip it, #4 hollow mimicking the shape of a #3.
Take the corners off at a 45 degree angle and repeat
The picture above was supposed to be a video. I put the camera on the wrong setting.
Try this quick one. I'm making the shallow yellow rabbet illustrated above.
All of the planes I used have square irons. Work across the grain on both sides first. I saved taking the corners off until the end so that I didn't have to worry about blow out.
The next thing is the quarter columns. I've never turned before and have been putting it off for a long time. Wednesday night is guild night. You might see them on Thursday.