That one has screws holding the slide plate (which definitely is NOT the way it came). I noticed someone that had a similar and she posted a photo of her bobbin area at
https://www.quiltingboard.com/member...11-624612.html. It sure looks like it would take the 201 slide plate. The linked picture of the open 66 bobbin area shows a 'spring' at the edge of the machine. It almost looks like a 66
might work.