Add the 16mm sprocketed roller which is to be converted to a completely parametric model

models/16mm_sprocketed_roller/16mm_sprocketed_roller.scad

@@ -0,0 +1,69 @@
+time = 0;
+
+/**
+ * 16mm roller with parametric inputs.
+ * TODO: Make actually parametric
+ **/
+module sprocketed_roller (SPROCKETS = 8) {
+    
+    echo(SPROCKETS, "SPROCKETS");
+    if (SPROCKETS < 8) {
+        echo("WARNING: Minimum suggested number of sprockets is 8");
+    }
+    
+    SPROCKET_BASE_D = 19.05;
+    SPROCKET_BASE_H = 2.7;
+
+    INNER_D = 13.98;
+    INNER_H = 10.6;
+
+    TOP_BASE_D = 18.47;
+    TOP_BASE_H = 2.96;
+
+    LIP_D = 18.84;
+    LIP_H = 0.33;
+
+    HOLLOW_D = 4.7;
+    HOLLOW_BASE_D = 12.01;
+    HOLLOW_BASE_H = 6.09;
+
+    TOP_D = 21.66;
+    TOP_H = 1.4;
+
+    SPROCKET_H = 0.9;
+    SPROCKET_W = 0.79;
+    SPROCKET_L = 0.99;
+
+    $fn = 100;
+    //sub module
+    module sprocket () {
+        //cube([SPROCKET_L, SPROCKET_W, SPROCKET_H], center = true);
+        translate ([0, 0, -SPROCKET_H/2]) {
+            difference () {
+                translate([0, 0, 0]) scale([1, 1, 2.25]) rotate([90, 0, 90]) cylinder(r = SPROCKET_W/2, h = SPROCKET_L, center = true);
+                translate([0, 0, -1]) cube([2, 2, 2], center = true);
+                translate([1.5, 0, 0]) rotate([0, -5, 0]) cube([2, 2, 2], center = true);
+                translate([-1.5, 0, 0]) rotate([0, 5, 0]) cube([2, 2, 2], center = true);
+           }
+       }
+           
+    }
+    
+    difference () {
+        union () {
+            cylinder(r = SPROCKET_BASE_D / 2, h = SPROCKET_BASE_H, center = true);
+            translate([0, 0, (INNER_H / 2) + (SPROCKET_BASE_H / 2)]) cylinder(r = INNER_D / 2, h = INNER_H, center = true);
+            translate([0, 0, (TOP_BASE_H / 2) +INNER_H + (SPROCKET_BASE_H / 2)]) cylinder(r = TOP_BASE_D / 2, h = TOP_BASE_H, center = true);
+            translate([0, 0, (TOP_BASE_H / 2) + INNER_H + (SPROCKET_BASE_H / 2) - (TOP_BASE_H / 2) + (LIP_H / 2)]) cylinder(r = LIP_D / 2, h = LIP_H, center = true);
+            translate([0, 0, (TOP_BASE_H / 2) + INNER_H + (SPROCKET_BASE_H / 2) + (TOP_BASE_H / 2) - (LIP_H / 2)]) cylinder(r = LIP_D / 2, h = LIP_H, center = true);
+            translate([0, 0, (TOP_H / 2) + (TOP_BASE_H / 2) + INNER_H + (SPROCKET_BASE_H / 2) + (TOP_BASE_H / 2) - (LIP_H / 2)]) cylinder(r = TOP_D / 2, h = TOP_H, center = true);
+        }
+        cylinder(r = HOLLOW_D / 2, h = 100, center = true);
+        translate([0, 0, (HOLLOW_BASE_H / 2) - (SPROCKET_BASE_H / 2)]) cylinder(r = HOLLOW_BASE_D/2, h = HOLLOW_BASE_H + 0.1, center = true);
+    }
+    for (i = [0: SPROCKETS]) {
+        rotate([0, 0, i * (360 / SPROCKETS)]) translate([(SPROCKET_BASE_D / 2) + (SPROCKET_H / 2) - .15, 0, (SPROCKET_BASE_H / 2) - (SPROCKET_L / 2)]) rotate([0, 90, 0]) sprocket();
+    }
+}
+
+sprocketed_roller();