Button Sensor: Mu editor output worked with this one!
Pressure sensor: conductive thread sewing
Velostat placement: pre-finishing sewing
Finished sewn pressure sensor interacting with circuit playground!!

I was able to use felt and conductive thread to complete the pressure sensor. I used a blanket stitch with embroidery floss around the edge to contain the velostat in-between fabric pieces. Worked well without a hitch!