put sketches and 3d printables into sub-dirs

[challenge-bot] / 3d-printables / sonar-table-top-holder.scad

diff --git a/3d-printables/sonar-table-top-holder.scad b/3d-printables/sonar-table-top-holder.scad
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+// challenge-bot
+// GNU AGPLv3 (or later at your option)
+// project available at these locations:
+// https://gitorious.org/ozzloy/challenge-bot
+// https://github.com/waynegramlich/challenge-bot
+
+$fn = 60;
+
+// 3/16 inch in mm deck_depth = 4.7625;
+// 1/4 inch in mm - a little to be a squeeze fit
+deck_depth = 6.35 - 0.4;
+sonar_plate_width = 20;
+// sonar sensor measurements taken with calipers:
+//  10.82 in between, 42.33 outside, 15.82 diameter
+// measured diameter of 15.82 with calipers,
+//  but when printed ends up being too small
+sonar_sensor_radius = 15.82 / 2 + 0.3;
+sonar_sensor_height = 13.8;
+between_sensor_centers = 15.82 + 10.82;
+sonar_plate_length = 3 + between_sensor_centers + sonar_sensor_radius + 3;
+sonar_holder_length = sonar_plate_length + 10;
+sonar_holder_width = sonar_plate_width + 3;
+sonar_holder_depth = 4;
+
+deck_holder_length = 30;
+deck_holder_width = sonar_holder_width;
+
+module sensors(){
+  translate([between_sensor_centers / 2, 0, 0]){
+    cylinder(r = sonar_sensor_radius, h = sonar_sensor_height);}
+  translate([-between_sensor_centers / 2, 0, 0]){
+    cylinder(r = sonar_sensor_radius, h = sonar_sensor_height);}}
+
+module sensor_holder(){
+  difference(){
+    cube([sonar_holder_length, sonar_holder_width, sonar_holder_depth]);
+    translate([sonar_holder_length / 2, sonar_holder_width / 2, -0.05]){
+      sensors();}}
+  translate([sonar_holder_length, 0, 0]){
+    cube([sonar_holder_depth + 0.3, deck_depth - 0.3, deck_depth - 0.3]);
+    translate([sonar_holder_depth + 0.3, 0, 0]){
+      // subtract a little bit (0.3) to make it fit
+      cube([deck_depth - 0.3, sonar_holder_width, deck_depth - 0.3]);}}}
+
+module deck_holder(){
+  cube([deck_holder_length, sonar_holder_depth, sonar_holder_width]);
+  cube([sonar_holder_depth,
+        sonar_holder_depth * 2 + deck_depth,
+        sonar_holder_width]);
+  translate([0, sonar_holder_depth + deck_depth, 0]){
+    cube([deck_holder_length, sonar_holder_depth, sonar_holder_width]);}
+  translate([sonar_holder_depth + deck_depth, 0, 0]){
+    cube([sonar_holder_depth,
+          sonar_holder_depth * 2 + deck_depth,
+          sonar_holder_width]);}}
+
+module sonar_table_top_holder(){
+  difference(){
+    union(){
+      cube([sonar_holder_length, sonar_holder_width, sonar_holder_depth]);
+      translate([sonar_holder_length, 0, 0]){
+        deck_holder();}}
+    translate([between_sensor_centers / 2 + sonar_sensor_radius + 3,
+               sonar_holder_width / 2,
+               -1]){
+      sensors();}
+    // cut out a bit of the circle to make it 3d printable,
+    //  no severe overhang
+    translate([3 + sonar_sensor_radius,
+               sonar_holder_width - 3.025,
+               sonar_holder_depth / 2 - 0.025]){
+      cube([10, 6.1, sonar_holder_depth + .1], center = true);
+      translate([between_sensor_centers, 0, 0]){
+        cube([10, 6.1, sonar_holder_depth + .1], center = true);}}}}
+
+sensor_holder();