tinysphear: adjustments to the shock mount external ring

SpHEAR_common.scad

@@ -568,12 +568,12 @@ module tetra_shock_mount_internal_ring(height, radius, band_height, corner, gap)
                                 cube([wall, 6, height]);
                         }
                         // lower slots for rubber bands
-                        rotate([0, 0, 45]) translate([2.5, radius/2, 0]) scale([1.0, 1.0, 3.0]) rotate([90, 0, 0]) {
-                            cylinder(r = 1.2, h = radius * 2, $fn = facets);
+                        rotate([0, 0, 45]) translate([2.5, radius/2, 2.0]) scale([1.0, 1.0, 2.2]) rotate([90, 0, 0]) {
+                            cylinder(r = 1.1, h = radius * 2, $fn = facets);
                         }
                         // upper slots for rubber bands
-                        rotate([0, 0, 45]) translate([2.5, radius/2, height]) scale([1.0, 1.0, 3.0]) rotate([90, 0, 0]) {
-                            cylinder(r = 1.2, h = radius * 2, $fn = facets);
+                        rotate([0, 0, 45]) translate([2.5, radius/2, height - 2.0]) scale([1.0, 1.0, 2.2]) rotate([90, 0, 0]) {
+                            cylinder(r = 1.1, h = radius * 2, $fn = facets);
                         }
                     }
                 }