armpart_hex_thick = 8;
hingepin_dia = 3;
+hingenut_width = 6;
+hingenut_depth = 4;
headpart_main_dia = 15 - 0.3;
headpart_main_len = 14;
headpart_flatten_z = headpart_main_dia/2 * cos(headpart_flatten_angle);
headpart_stub_support_x = headpart_stub_width * cos(59) / 2;
headpart_stub_len = headpart_stub_protrude + headpart_main_dia/2;
+hingenut_depth_y =
+ sqrt(headpart_main_dia*headpart_main_dia/4 - hingenut_width*hingenut_width/4)
+ - hingenut_depth;
module ArmPart(){ ////toplevel
translate([-arm_innerwidth/2, 1, 0])
}
translate([-100,-100,-100])
cube([200,200, 100 - headpart_flatten_z]);
+ rotate([90,0,0])
+ translate([0,0, -100])
+ cylinder(r=hingepin_dia/2, h = 200, $fn=20);
+ translate([0,hingenut_depth_y,0])
+ rotate([90,0,180])
+ cylinder(r=hingenut_width/2/cos(30), h=20, $fn=6);
}
}