Slices of pool noodles make great pincushions. They will also hold your toothpick you use when appliquing. If you put it into a snug fitting cap from an aerosol can you can also used the bottom to store your thimble and some pins. Your scissors will stand up in the hole.
A small jar next to your chair for putting thread ends in. Tiny ones can be taken to classes to keep your area tidy.
Spectacle case - especially the zip up ones - for your rotary cutter.
Spice bottles with the holes in for storing your toothpicks - just shake one out.
Velcro dots under your machine pedal stops it moving on carpet.
A length of narrow red ribbon threaded through your scissors, knotted, and hung round your neck keeps them handy, and being red makes them easy to see if you put them down somewhere.
Plastic boxes that strawberries, blueberries etc come in are great for small applique pieces.