Create bottom panel edges based on top panel projection at 10 degrees.
Delete old files; rename "Panel_top_2" to "Panel_top", since old version is opsolete.
Assign aluminum as panel materials.
Delete old joystick part, add three separate parts for body, ring, and ball.
Delete old body file; will be rebuilding with acrylic.
Change obround mount holes to ANSI M4 machine screw holes for easier assembly.
Assemble top panel of joystick.  Use bolted connections where appropriate.
Hide work planes from Joystick ball part.
Constrain top panel to be at 10 degree angle to bottom.
Delete old assembly.