chiark / gitweb /
tablet-case-corner-mount: reoriented
authorIan Jackson <ijackson@chiark.greenend.org.uk>
Sun, 8 Jun 2014 15:44:32 +0000 (16:44 +0100)
committerIan Jackson <ijackson@chiark.greenend.org.uk>
Sun, 8 Jun 2014 15:44:32 +0000 (16:44 +0100)
tablet-case-corner-mount.scad

index 8226180..2ea0931 100644 (file)
@@ -4,7 +4,8 @@ main_sz = 22.5;
 
 wall_th = 3;
 
-front_fullsz = 10;
+front_hook = 3;
+front_slope = 1.0;
 
 front_th = 2;
 gap_th = 9.5 + 0.5;
@@ -26,13 +27,24 @@ module MidPlan(){
           [main_sz,      0]]);
 }
 
-module FrontPlan(){
-  halfway = (front_fullsz + main_sz)/2;
-  polygon([[0,            0],
-          [0,            main_sz],
-          [front_fullsz, main_sz],
-          [main_sz,      front_fullsz],
-          [main_sz,      0]]);
+module FrontElevation(){
+  hook_z = front_hook / front_slope;
+  translate([0, back_th+gap_th]) {
+    hull(){
+      square([wall_th, hook_z + 0.01]);
+      translate([front_hook, hook_z])
+       square([wall_th, 0.01]);
+    }
+  }
+}
+
+module FrontEdge(){
+  rotate([90,0,0]) linear_extrude(height=main_sz) FrontElevation();
+}
+
+module Front(){
+  mirror([0,1,0]) FrontEdge();
+  rotate([0,0,90]) FrontEdge();
 }
 
 module BackPlan(){
@@ -51,25 +63,23 @@ module BackPlan(){
 }
 
 module Hook(){
-  rotate([90,0,0]){
-    difference(){
-      union(){
-       linear_extrude(height=back_th)
-         BackPlan();
-       linear_extrude(height=back_th+gap_th+front_th)
-         MidPlan();
-       translate([0,0, back_th+gap_th])
-         linear_extrude(height=front_th) FrontPlan();
-      }
-      rotate([0,0,-45])
-       translate([0, back_tot_l - back_hole_d, back_th/2])
-       rotate([0,90,0]) translate([0,0,-50])
-       cylinder(h=100, r=back_hole_dia/2, $fn=40);
+  difference(){
+    union(){
+      linear_extrude(height=back_th)
+       BackPlan();
+      linear_extrude(height=back_th+gap_th+front_th)
+       MidPlan();
+      Front();
     }
+    rotate([0,0,-45])
+      translate([0, back_tot_l - back_hole_d, back_th/2])
+      rotate([0,90,0]) translate([0,0,-50])
+      cylinder(h=100, r=back_hole_dia/2, $fn=40);
   }
 }
 
 //MidPlan();
 //FrontPlan();
 //BackPlan();
+//Front();
 Hook();