finalize initial version of microphone mount, cut slots in the sides of the cylinder for the capsule holder ridges - we still need to improve the geometry of the mount as it does not exactly match the expansion of the capsules when mid_radius is changed

first_order.scad

@@ -180,6 +180,7 @@ module mount (radius, length, wall, separation) {
 	translate([0, 0, -(separation + 1)]) {
 		difference() {
 			union() {
+				// grips for the capsule holder ridge
 				for (rot = [0 : 180 : 360]) {
 					rotate([0, 0, rot - 45]) {
 						translate([-(capsule_sep_max / 2), (ridge_width / 2) + fit, -mount_height]) {
@@ -191,11 +192,14 @@ module mount (radius, length, wall, separation) {
 					cylinder(r = mount_radius + wall, h = mount_height, $fn = facets);
 				}
 			}
+			// make the hole for the mount
 			translate([0, 0, -mount_height]) {
-				cylinder(r = mount_radius, h = mount_height, $fn = facets);			}
+				cylinder(r = mount_radius, h = mount_height, $fn = facets);
+			}
+			// and cut a slot for the ridges in the wall of the cylinder
 			rotate([0, 0, -45]) {
-				translate([-(capsule_sep_max / 2), 0, -mount_height]) {
-					cube([capsule_sep_max, ridge_width / 2, mount_height]);
+				translate([-(capsule_sep_max / 2), -ridge_width + 4 * fit, -mount_height / 2]) {
+					cube([capsule_sep_max, ridge_width + 2 * fit, mount_height]);
 				}
 			}
 		}