$fn = 60;
-use <oshw.scad>
-oshw_dy = 120.366;
-oshw_dx = 133.888;
+include <sonar-table-top-holder-data.scad>
-// 3/16 inch in mm deck_depth = 4.7625;
-// 1/4 inch in mm = 6.35
-// subtract a little to be a squeeze fit
-deck_depth = 4.7625 - 0.4;
-// 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, so add some
-sonar_diameter = 15.82 + 0.4;
-sonar_radius = sonar_diameter / 2;
-sonar_height = 13.8;
-between_sonar_centers = sonar_diameter + 10.82;
-// the sonar cylinders are placed on the pcb at slightly different positions
-// from one sensor to the next, so this allows for that variance.
-between_sonar_centers_variance = 2;
-// keep at least this much plastic surrounding the sonar cylinder on all sides
-buffer = 3;
-sonar_holder_length = buffer + between_sonar_centers + sonar_diameter + buffer;
-sonar_holder_width = buffer + sonar_diameter + buffer;
-// sonar_holder_depth is deck_depth minus a little bit to make arm fit
-// into deck holder
-sonar_holder_depth = deck_depth - 0.7875;
-
-deck_holder_length = sonar_holder_depth * 2 + deck_depth + 15;
-
-module sonars(){
- translate([between_sonar_centers / 2, 0, 0]){
- cylinder(r = sonar_radius, h = sonar_height);}
- // for the variance with which the physical sonar cylinders are placed
- translate([between_sonar_centers / 2 - between_sonar_centers_variance, 0, 0]){
- cylinder(r = sonar_radius, h = sonar_height);
- translate([0, -sonar_radius, 0]){
- cube([between_sonar_centers_variance, sonar_diameter, sonar_height]);}}
- translate([-between_sonar_centers / 2, 0, 0]){
- cylinder(r = sonar_radius, h = sonar_height);}}
-
-module sonar_holder(){
- elbow_length = deck_depth - 0.5;
- rounded_corner_radius = buffer;
- difference(){
- cube([sonar_holder_length, sonar_holder_width, sonar_holder_depth]);
- translate([sonar_holder_length / 2, sonar_holder_width / 2, -0.05]){
- sonars();}
- translate([sonar_holder_length - rounded_corner_radius,
- sonar_holder_width - rounded_corner_radius,
- 0]){
- corner_rounder(rounded_corner_radius, sonar_holder_depth);}}
- translate([sonar_holder_length, 0, 0]){
- cube([elbow_length, deck_depth, sonar_holder_depth]);
- translate([elbow_length, 0, 0]){
- linear_extrude(height = sonar_holder_depth){
- polygon([[ 0, 0],
- [sonar_holder_depth, 0],
- [sonar_holder_depth, sonar_holder_width / 2],
- [ 0,
- sonar_holder_width / 2 + sonar_holder_depth]]);}
- translate([0, (sonar_holder_width + sonar_holder_depth) / 2, 0]){
- cube([sonar_holder_depth / 2,
- (sonar_holder_width - sonar_holder_depth) / 2 + 0.8,
- sonar_holder_depth]);}
- translate([-1.7, sonar_holder_width + 0.8, 0]){
- linear_extrude(height = sonar_holder_depth){
- polygon([[ 0, 0],
- [sonar_holder_depth / 2 + 1.7, 4],
- [sonar_holder_depth / 2 + 1.7, 0]]);}}}}}
-
-module deck_holder(){
- deck_holder_width = sonar_holder_width - deck_depth;
- deck_holder_height = sonar_holder_depth * 2 + deck_depth;
- linear_extrude(height = deck_holder_width){
- difference(){
- square([deck_holder_length, deck_holder_height]);
- translate([sonar_holder_depth, sonar_holder_depth]){
- square(deck_depth);}
- translate([deck_holder_height, sonar_holder_depth]){
- square([deck_holder_length - (deck_holder_height), deck_depth]);}}}
- translate([deck_holder_length - oshw_dy * 0.05, 0, deck_holder_width / 2])
- scale([0.1, 1, 0.1])
- rotate(v = [1, 0, 0], a = 90)
- rotate(90)
- linear_extrude(height = 0.5)
- oshw();
- translate([deck_holder_length - oshw_dy * 0.05,
- deck_holder_height + 0.5,
- deck_holder_width / 2])
- rotate(v = [1, 0, 0], a = 90)
- rotate(90)
- scale([0.1, 0.1, 1])
- linear_extrude(height = 0.5)
- oshw();}
-
-module corner_rounder_2d(radius){
- difference (){
- square (radius);
- circle (radius);}}
-
-module corner_rounder(radius, height){
- linear_extrude(height = height){
- corner_rounder_2d(radius);}}
-
-deck_holder();
-
-translate([0, sonar_holder_depth * 2 + deck_depth + 2, 0]){
- sonar_holder();}
+sonar_holder();