Adds sensor models

sensors/sensor_40mm_x_100mm_x_0.1mm.scad

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+// Flex Sensor - units in cm
+
+width=40;
+min_width=5;
+height=0.1;
+length=100;
+gap=2;
+struts=0;
+strut_height=height;
+endcap_run_ratio=0.5; /* How large are joined sections compared to run
+                       width */
+
+term_diameter = 1.628;
+term_side = sqrt(term_diameter*term_diameter/2);
+term_distance = 5;
+term_offset = 15;
+
+nozzle_width = 0.4;
+
+sewable = 0;
+
+$fn = 100;
+
+// DNE
+leg_width = (width - gap) / 2;
+gap_span = leg_width*2+gap;
+
+module cap_model () {
+    difference () {
+        circle(width / 2);
+        translate([-width / 2, -width])
+           square(width);
+    }
+}  
+
+module Cap () {
+    translate([width / 2, length - width / 2, 0])
+    difference () {
+        linear_extrude (height)
+            cap_model();
+        translate([0, 0, 0.2])
+        difference () {
+            linear_extrude (height)
+                offset(r=-0.5)
+                    cap_model();
+            linear_extrude (height) 
+                offset(r=-1)
+                    cap_model();
+        }
+    }
+}
+
+module Leg() {
+    term1_x = abs(width - term_distance) / 2;
+    t_total_width = min_width;
+    difference () {
+    union () {
+	linear_extrude(height)
+	    polygon([[0, length - width / 2], [leg_width, length - width / 2],
+		     [term1_x + term_side / 2 + gap/2, 0],
+		     [term1_x + term_side / 2 + gap/2 - min_width, 0]]);
+	translate([term1_x + term_side / 2 - min_width + gap/2, 0, 0])
+	    cube([min_width, 2, term_side/2]);
+	linear_extrude(term_side/2)
+	polygon([[term1_x - term_side/2, -term_side * 4], [term1_x + term_side / 2 + gap/2, 0],
+		      [term1_x + term_side / 2 +gap / 2 - min_width, 0]]);
+
+    }
+    translate([0,0, 0.2])
+    difference () {
+	linear_extrude (height)
+	offset(r=-0.5)
+	polygon([[0, length - width / 2], [leg_width, length - width / 2],
+		     [term1_x + term_side / 2 + gap/2, 0],
+		     [term1_x + term_side / 2 + gap/2 - min_width, 0]]);
+
+	linear_extrude (height)
+	offset(r=-1)
+	polygon([[0, length - width / 2], [leg_width, length - width / 2],
+		     [term1_x + term_side / 2 + gap/2, 0],
+		     [term1_x + term_side / 2 + gap/2 - min_width, 0]]);
+    }
+    }
+}
+
+module Terminal() {
+    translate([-term_side/2, 0, 0])
+    cube([term_side, term_offset, term_side]);
+}
+
+module Terminals() {
+    Terminal();
+    translate([term_distance, 0, 0])
+      Terminal();
+}
+
+union() {
+    // Legs
+    union () {
+	Leg();
+	translate([width, 0, 0])
+	    mirror()
+	    Leg();
+    }
+
+    // Terminals
+    translate([-(term_distance-width)/2, -term_offset, 0])
+	Terminals();
+    
+    Cap();
+
+
+    // End Support
+    *translate([0, length-leg_width/4, 0])
+	cube([gap_span, leg_width/4, height*1.5]);
+
+    // Edge Supports
+    *cube([nozzle_width, length, height * 1.5]);
+    *translate([width - nozzle_width, 0, 0])
+	cube([nozzle_width, length, height * 1.5]);
+
+}

sensors/sensor_40mm_x_100mm_x_2mm_sewable.scad

@@ -0,0 +1,122 @@
+// Flex Sensor - units in cm
+
+width=40;
+min_width=5;
+height=2;
+length=100;
+gap=2;
+struts=0;
+strut_height=height;
+endcap_run_ratio=0.5; /* How large are joined sections compared to run
+                       width */
+
+term_diameter = 1.628;
+term_side = sqrt(term_diameter*term_diameter/2);
+term_distance = 5;
+term_offset = 15;
+
+nozzle_width = 0.4;
+
+sewable = 0;
+
+$fn = 100;
+
+// DNE
+leg_width = (width - gap) / 2;
+gap_span = leg_width*2+gap;
+
+module cap_model () {
+    difference () {
+        circle(width / 2);
+        translate([-width / 2, -width])
+           square(width);
+    }
+}  
+
+module Cap () {
+    translate([width / 2, length - width / 2, 0])
+    difference () {
+        linear_extrude (height)
+            cap_model();
+        translate([0, 0, 0.2])
+        difference () {
+            linear_extrude (height)
+                offset(r=-0.5)
+                    cap_model();
+            linear_extrude (height) 
+                offset(r=-1)
+                    cap_model();
+        }
+    }
+}
+
+module Leg() {
+    term1_x = abs(width - term_distance) / 2;
+    t_total_width = min_width;
+    difference () {
+    union () {
+	linear_extrude(height)
+	    polygon([[0, length - width / 2], [leg_width, length - width / 2],
+		     [term1_x + term_side / 2 + gap/2, 0],
+		     [term1_x + term_side / 2 + gap/2 - min_width, 0]]);
+	translate([term1_x + term_side / 2 - min_width + gap/2, 0, 0])
+	    cube([min_width, 2, term_side/2]);
+	linear_extrude(term_side/2)
+	polygon([[term1_x - term_side/2, -term_side * 4], [term1_x + term_side / 2 + gap/2, 0],
+		      [term1_x + term_side / 2 +gap / 2 - min_width, 0]]);
+
+    }
+    translate([0,0, 0.2])
+    difference () {
+	linear_extrude (height)
+	offset(r=-0.5)
+	polygon([[0, length - width / 2], [leg_width, length - width / 2],
+		     [term1_x + term_side / 2 + gap/2, 0],
+		     [term1_x + term_side / 2 + gap/2 - min_width, 0]]);
+
+	linear_extrude (height)
+	offset(r=-1)
+	polygon([[0, length - width / 2], [leg_width, length - width / 2],
+		     [term1_x + term_side / 2 + gap/2, 0],
+		     [term1_x + term_side / 2 + gap/2 - min_width, 0]]);
+    }
+    }
+}
+
+module Terminal() {
+    translate([-term_side/2, 0, 0])
+    cube([term_side, term_offset, term_side]);
+}
+
+module Terminals() {
+    Terminal();
+    translate([term_distance, 0, 0])
+      Terminal();
+}
+
+union() {
+    // Legs
+    union () {
+	Leg();
+	translate([width, 0, 0])
+	    mirror()
+	    Leg();
+    }
+
+    // Terminals
+    translate([-(term_distance-width)/2, -term_offset, 0])
+	Terminals();
+    
+    Cap();
+
+
+    // End Support
+    *translate([0, length-leg_width/4, 0])
+	cube([gap_span, leg_width/4, height*1.5]);
+
+    // Edge Supports
+    *cube([nozzle_width, length, height * 1.5]);
+    *translate([width - nozzle_width, 0, 0])
+	cube([nozzle_width, length, height * 1.5]);
+
+}