$fn = 32;

set_screw_dia = 3.05;
rod_size = 7.85;
rod_length = 170;
//spacing between rods
rod_distance = 0;
//diameter of race
ball_bearing_race_dia = 32.75;
//individual ball bearing size
ball_bearing_size = 6.4;
probe_shaft = 17;
//ball feet diameter
feet_dia = 12.7;
encoder_shaft_dia = 6.0;
//counter bore diameter
cb_dia = 7;
//counter bore height
cb_height = 5;
//rotary encoder bolt hold circle radius
enc_bolt_r = 15;


/*
rotate([90,90,0])
translate([0,0,-50])

cylinder( d = 60, h = 60, center = true);
*/

connector_encoder();

//translate([0,45,0])
//encoder();

test_rod_holder();


module test_rod_holder(){



difference(){
union(){
//arm side rod holder
translate([0,-1,0])
rotate([90,0,0])
cylinder(d1 = 60,  d2 = 35, h = 30, center = true);



}

//rod connection through hole
translate([0,rod_distance,46])
cylinder(d = rod_size, h = 81, center = true);

//encoder through hole
translate([0,-1,0])
rotate([90,0,0])
cylinder(d = encoder_shaft_dia + .12, h = 40, center = true);

//carbon arrow shaft hole
translate([0,-9,0])
rotate([90,0,0])
cylinder(d = rod_size, h = 20, center = true);



//side rod set screw hole 2
translate([0,0,0])
rotate([90,0,90])
cylinder(d = set_screw_dia, h = 70, center = true);

//side rod set screw hole 2
translate([0,-10,0])
rotate([90,0,90])
cylinder(d = set_screw_dia, h = 70, center = true);


//side rod set screw for encoder shaft
translate([0,8,0])
rotate([90,0,90])
cylinder(d = set_screw_dia, h = 70, center = true);

}
}








module connector_encoder(){
difference(){
union(){
//arm rotary
//translate([0,0,0])
//rotate([90,0,0])
//cylinder(d = 40, h = 35, center = true);

//arm rotary holder
translate([0,31,0])
rotate([90,0,0])
cylinder(d = 60, h = 30, center = true);


//big body 
translate([0,55,0])
rotate([90,0,0])
cylinder(d1 = 80, d2 = 60, h = 30, center = true);

//translate([0,15,-48])
//cube([38,62,50], center = true);


}

//bolt clearance
for( i = [0:2]){
    translate([0,20,0])
    rotate([90,i*120+30,0])
    translate([enc_bolt_r,0,0])
    cylinder(d = 4, h = 20, center = true);
}

//bolt counterbore
for( i = [0:2]){
    translate([0,17,0])
    rotate([90,i*120+30,0])
    translate([enc_bolt_r,0,0])
    cylinder(d = cb_dia, h = cb_height, center = true);
}
//clearance for encoder shaft
translate([0,10,0])
rotate([0,90,90])
cylinder(d = 7.5, h = 60, center = true);

//clearance for encoder small part
translate([0,23,0])
rotate([0,90,90])
cylinder(d = 22, h = 11, center = true);

//clearance for encoder body
translate([0,37,0])
rotate([0,90,90])
cylinder(d = 45, h = 26, center = true);

//clearance for encoder body
translate([0,77,0])
rotate([0,90,90])
cylinder(d1 = 45, d2 = 75,  h = 76, center = true);

//cable out
hull(){
translate([0,53,0])
cylinder(d = 18, h = 90, center = true);

translate([0,73,0])
cylinder(d = 18, h = 90, center = true);
}
}

}




//Omron Encoder
module encoder(){
difference(){
union(){
//body
color("BurlyWood", 1.0){
rotate([0,90,90])
cylinder(d = 40, h = 39, center = true);

//top of encoder (20mm)
translate([0,-22,0])
rotate([0,90,90])
cylinder(d = 20, h = 5, center = true);

//cable support
translate([0,7.5,25])
rotate([0,0,90])
cylinder(d = 10, h = 12, center = true);
}
//cable stub
color("black", 1.0){
translate([0,7.5,37])
rotate([0,0,90])
cylinder(d = 8, h = 12, center = true);
}

//shaft
color("silver", 1.0){
translate([0,-32,0])
rotate([0,90,90])
cylinder(d = 6, h = 15, center = true);
}
}
//bolt holes
for( i = [0:2]){
    translate([0,-16,0])
    rotate([90,i*120,0])
    translate([enc_bolt_r,0,0])
    cylinder(d = 3, h = 8, center = true);
}
}
}