I have this part nearly complete. Just stuck at the red cut out.
So far I have this
I'm trying to draw out the bowtie shape (red), coincide it's center with the origin and the edges with the radius of the circle. Then extrude cut in both directions 1". Trying to figure out how to control locations in 3D coordinates (0,0,0) then extrude (-1,0,0) to (1,0,0).
Or any other techniques you might suggest?