eps = 0.01;
infty = 250;
+// rod holder
+
+module rod_holder() {
+ // rod hole holder
+ hull() {
+ translate([motor_diam/2 + thick_wall + thin_wall + rod_diam/2, 0, 0])
+ cylinder(r = rod_diam/2 + thin_wall, h = thick_wall);
+ translate([motor_diam/2 + thick_wall - thin_wall - rod_diam/2, 0, 0])
+
+ cylinder(r = rod_diam/2 + thin_wall, h = 3*thick_wall);
+ }
+}
+
+module rod_hole() {
+ // rod hole
+ translate([motor_diam/2 + thick_wall + thin_wall + eps + rod_diam/2, 0, 0])
+ cylinder(r = rod_diam/2, h = infty);
+}
+
//----------------- MOTOR MODULE -----------------------------
module fin() {
fin2();
};
- // rod hole holder
- hull() {
- translate([motor_diam/2 + thick_wall - rod_diam/2 - thin_wall,
- 0, segment_overlap])
- scale([1, 1.4, 1])
- cylinder(r = rod_diam/2 + thin_wall, h = eps);
- translate([motor_diam/2 + thick_wall + thin_wall + rod_diam/2, 0, segment_overlap + rod_hole_side])
- scale([1, 1.1, 1])
- cylinder(r = rod_diam/2 + thin_wall, h = rod_hole_height);
- translate([motor_diam/2 + thick_wall - rod_diam/2 - thin_wall,
- 0, segment_overlap + 2*rod_hole_side + rod_hole_height])
- scale([1, 1.4, 1])
- cylinder(r = rod_diam/2 + thin_wall, h = eps);
- };
-
// motor clip
for (angle = [120, -120]) rotate([0, 0, angle]) intersection() {
translate([clip_inner_space, -infty/2,
rotate([0, 0, -120])
translate([-infty/2, 0, 0]) cube(infty);
};
+
+ translate([0, 0, motor_len + motor_wall])
+ scale([1, 1, -1])
+ rod_holder();
};
module motor_module() {
cylinder(r = 3, h = infty);
};
- // rod hole
- translate([motor_diam/2 + thick_wall + thin_wall + eps + rod_diam/2, 0, 0])
- cylinder(r = rod_diam/2, h = infty);
+ rod_hole();
};
};
module central_tube_solid() {
cylinder(r = motor_diam/2 + thick_wall, h = central_tube_h);
+ rod_holder();
};
module central_tube() {
translate([0, 0, -eps])
cylinder(r = motor_diam/2 + thick_wall - thin_wall,
h = infty);
+ rod_hole();
};
};