Improve text, add alpha adaptor

2022-02-02 20:04:12 -08:00
parent 111b98b6b8
commit f3dc9ff472
4 changed files with 93 additions and 37 deletions
@@ -0,0 +1,85 @@
+use<juqs_collar.scad>;
+/*
+measurements
+
+total_z = 7.6
+
+upper_x = 59.6
+upper_y = 59.6
+upper_z = 4
+upper_r = 2 // ? maybe
+
+lower_x = 52.6
+lower_y = 52.6
+lower_z = 3.6
+lower_r = 13 // ? maybe
+
+screw_hole_d = 4.8
+screw_hole_bevel_d = 8.2
+screw_hole_bevel_h = 1.8
+screw_hole_padding_lower = 1.8
+*/
+
+alpha_adaptor();
+
+module alpha_adaptor() {
+  $fn = 100;
+  difference(){
+    union(){
+      lower();
+      translate([0, 0, 3.6])
+        upper();
+    }
+    screw_holes();
+    cylinder(h = 10, r = 35 / 2);
+    translate([0,0,7.6 - 2.8])
+      base(b = 0);
+  }
+}
+
+module upper(){
+  rounded_rect(h = 4, size = 59.6, r = 2);
+}
+
+module lower(){
+  rounded_rect(h=3.6, size = 52.6, r = 13);
+}
+
+module screw_holes(r = 4.8 / 2){
+  offset = 52.6 / 2 - 1.8 - r;
+  translate([offset, 0, 0]){
+    cylinder(h = 10, r = r);
+    translate([0, 0 ,7.6 - 1.8])
+      cylinder(h = 1.8, r1 = r, r2 = 8.2 / 2);
+  }
+  translate([-offset, 0, 0]){
+    cylinder(h = 10, r = r);
+    translate([0, 0 ,7.6 - 1.8])
+      cylinder(h = 1.8, r1 = r, r2 = 8.2 / 2);
+  }
+  translate([0, offset, 0]){
+    cylinder(h = 10, r = r);
+    translate([0, 0 ,7.6 - 1.8])
+      cylinder(h = 1.8, r1 = r, r2 = 8.2 / 2);
+  }
+  translate([0, -offset, 0]){
+    cylinder(h = 10, r = r);
+    translate([0, 0 ,7.6 - 1.8])
+      cylinder(h = 1.8, r1 = r, r2 = 8.2 / 2);
+  }
+}
+
+module rounded_rect(h, size, r) {
+ corner_offset = size / 2 - r;
+ hull(){
+  translate([corner_offset, corner_offset, 0])
+    cylinder(h = h, r = r);
+  translate([corner_offset, -corner_offset, 0])
+    cylinder(h = h, r = r);
+  translate([-corner_offset, corner_offset, 0])
+    cylinder(h = h, r = r);
+  translate([-corner_offset, -corner_offset, 0])
+    cylinder(h = h, r = r);
+ }
+}
+