LED_neon_frame.scad

//LED neon circle/triangle/square frame
//by BigClive.com
//Improved Version by MrMega/BizzKeryear
/*[Main adjustable variables]*/
//Mode of the program, circle, triangle, or square.
mode="c"; // [c:circle, t:triangle, s:square]
//thickness of LED neon
thick=5;  //[2:0.1:20]
//wall thickness
wall=1.2; //[0.4:0.1:10]
//depth of groove
height=6; //[1:0.1:20]

/*[Detail variables - Circular Frame]*/
//diameter of circular frame
diam=121; //[15:0.1:500]
/*[Detail variables - Triangular / Square Frame]*/
//corner outer radius
curve=20; //[14:0.1:70]
//width of frame
width=150; //[30:0.1:500]
//width=100; //[:0.1:]

/*[Hidden]*/
$fn=100;    //circle segments
//Don't change variables below here
wl=wall*2;
crv=curve*2;
thk=thick*2;
crz=(width/2)-curve;
tri=crz*1.732-crz; //peak of triangle
radius=diam/2;
if (mode=="c") {
    difference(){
        //main disk
        cylinder(h=height+1, d=diam);
        //central void
        translate([0,0,-1])
            cylinder(h=height+2, d=diam-thk-(wall*4));
        //cable hole
        translate([0,radius-wall-(thick/2),-1])
            cylinder(h=height+2, d=thick-1);
        difference(){
            //channel groove outer dimension
            translate([0,0,1])
                cylinder(h=height+1, d=diam-wl);
            //channel groove inner dimension
            translate([0,0,-1])
                cylinder(h=height+1, d=diam-wl-thk);
        }
    }
}
else if (mode=="t") {
    difference(){
        //main disk
        hull() {
            translate([-crz,crz,0])
                cylinder(h=height+1, d=crv);
            translate([crz,crz,0])
                cylinder(h=height+1, d=crv);
            translate([0,-tri,0])
                cylinder(h=height+1, d=crv);
        }
        //central void
        hull() {
            translate([-crz,crz,-1])
                cylinder(h=height+3, d=crv-wl-wl-thk);
            translate([crz,crz,-1])
                cylinder(h=height+3, d=crv-wl-wl-thk);
            translate([0,-tri,-1])
                cylinder(h=height+3, d=crv-wl-wl-thk);
        }
        //cable hole
        translate([0,(width/2)-wall-(thick/2),-1])
            cylinder(h=height+2, d=thick-1);
        difference(){
            //channel groove outer dimension
            hull() {
                translate([-crz,crz,1])
                    cylinder(h=height+1, d=crv-wl);
                translate([crz,crz,1])
                    cylinder(h=height+1, d=crv-wl);
                translate([0,-tri,1])
                    cylinder(h=height+1, d=crv-wl);
            }
            //channel groove inner dimension
            hull() {
                translate([-crz,crz,1])
                    cylinder(h=height+1, d=crv-wl-thk);
                translate([crz,crz,1])
                    cylinder(h=height+1, d=crv-wl-thk);
                translate([0,-tri,1])
                    cylinder(h=height+1, d=crv-wl-thk);
            }
        }
    }
}
else if (mode=="s") {
    difference(){
        //main frame
        hull() {
            translate([-crz,crz,0])
                cylinder(h=height+1, d=crv);
            translate([crz,crz,0])
                cylinder(h=height+1, d=crv);
            translate([-crz,-crz,0])
                cylinder(h=height+1, d=crv);
            translate([crz,-crz,0])
                cylinder(h=height+1, d=crv);
        }
        //central void
        hull() {
            translate([-crz,crz,-1])
                cylinder(h=height+3, d=crv-wl-wl-thk);
            translate([crz,crz,-1])
                cylinder(h=height+3, d=crv-wl-wl-thk);
            translate([-crz,-crz,-1])
                cylinder(h=height+3, d=crv-wl-wl-thk);
            translate([crz,-crz,-1])
                cylinder(h=height+3, d=crv-wl-wl-thk);
        }
        //cable hole
        translate([0,(width/2)-wall-(thick/2),-1])
            cylinder(h=height+2, d=thick-1);
        difference(){
            //channel groove outer
            hull() {
                translate([-crz,crz,1])
                    cylinder(h=height+1, d=crv-wl);
                translate([crz,crz,1])
                    cylinder(h=height+1, d=crv-wl);
                translate([-crz,-crz,1])
                    cylinder(h=height+1, d=crv-wl);
                translate([crz,-crz,1])
                    cylinder(h=height+1, d=crv-wl);
            }
            //channel groove inner
            hull() {
                translate([-crz,crz,1])
                    cylinder(h=height+1, d=crv-wl-thk);
                translate([crz,crz,1])
                    cylinder(h=height+1, d=crv-wl-thk);
                translate([-crz,-crz,1])
                    cylinder(h=height+1, d=crv-wl-thk);
                translate([crz,-crz,1])
                    cylinder(h=height+1, d=crv-wl-thk);
            }
        }
    }
}