button mount including bottom rubber brace

src/LiteCase/buttonmount_cherry.scad

@@ -1,40 +1,87 @@
-$fn=150;
-z=[0,0,1];
-y=[0,1,0];
-cz=1.2;
-h=15;
-cxy=13.7;
-size=[cxy,cxy,h];
-z1=-h/2;
-sizeb=[cxy+1,cxy,cz];
-z2=-cz*1.5;
-sizet=[cxy+2,cxy+2,4];
-sizef=[cxy+5,cxy+5,h];
-z4=-sizef[2]/2;
+$fn = $preview ? 20 : 60;
+z = [0, 0, 1];
+y = [0, 1, 0];
+x = [1,0,0];
+cz = 1.2;
+h = 15;
+cxy = 13.7;
+size = [cxy, cxy, h];
+z1 = -h / 2;
+sizeb = [cxy + 1, cxy, cz];
+z2 = -cz * 1.5;
+sizet = [cxy + 2, cxy + 2, 4];
+sizef = [cxy + 5, cxy + 5, h];
+z4 = -sizef[2] / 2;
 
 if ($preview) import("/home/paulg/Downloads/kailh_low.stl");
 module hole() {
-translate(z1*z)cube(size,center=true);
-translate(z2*z)cube(sizeb,center=true);
-translate(2*z)cube(sizet,center=true);
+    translate(z1 * z)cube(size, center = true);
+    translate(z2 * z)cube(sizeb, center = true);
+    translate(2 * z)cube(sizet, center = true);
 }
 
 module handlebar()
 {
-    translate((25)/2*y-18.5*z)rotate([90,0,0])cylinder(d=25.4,h=50);
-    }
-
-module cable() {hull() {
-translate([4.5,0,-5])rotate([90,0,0])cylinder(d=4,h=20);
-    translate([4.5,0,-12])rotate([90,0,0])cylinder(d=4,h=20);
+   # translate((50) / 2 * y - 18.5 * z)rotate([90, 0, 0])cylinder(d = 25.4, h = 50);
+}
 
+module cable() {
+    hull() {
+        translate([4.5, 0, -5])rotate([90, 0, 0])cylinder(d = 4, h = 20);
+        translate([4.5, 0, -12])rotate([90, 0, 0])cylinder(d = 4, h = 20);
+    }
 }
-} 
-difference() {
-translate(z4*z)cube(sizef,center=true);
-hole();
 
-handlebar();
+difference() {
+    union() {
+        translate(z4 * z)cube(sizef, center = true);
+        translate(-4*z)cube([5, cxy+16, 8],center=true);
+    }
+    hole();
+    #for (i=[-1,1]) translate((cxy + 8) / 2 * y*i) rubber_ring();
+    handlebar();
     cable();
 }
 
+module rubber_ring() {
+    translate(-18.5 * z)
+        rotate([90, 0, 0])
+            rotate_extrude()
+                translate([25.4 / 2 + 1.5 + 1, 0, 0])
+        {
+            hull() {
+                circle(d = 3);
+                translate([5, 0, 0])circle(d = 3);}
+        }
+}
+
+
+module bottom_shape(diam=5) {
+    difference() {
+        translate([0, 0, -7.5])cube([15, 15, 15], center = true);
+        translate(2 * z)handlebar();
+        for (i = [-1, 1])rotate([0, 25 * i, 0])translate([i * (diam+1.5), 0, 0])rotate_extrude() hull() {
+            translate([4, 0, 0]) circle(d = 3);
+            translate([4, 4, 0]) circle(d = 3);
+        }
+
+    }
+
+}
+
+//rotate(-x*90)linear_extrude(cxy-5*3)
+module bottom(width=cxy, diam=5) {
+    rotate(-x * 90)linear_extrude(cxy - diam)    projection(cut = true) {
+        rotate(x * 90)bottom_shape(diam);
+    }
+    difference() {
+        bottom_shape(diam);
+        translate(y * 20)cube([40, 40, 40], center = true);
+    }
+    translate(y * (width - diam))difference() {
+        bottom_shape(diam);
+        translate(-y * 20)cube([40, 40, 40], center = true);
+    }
+}
+
+translate(y*40) bottom();