rearlight.scad: yet another attempt

diff --git a/parts/rearlight.scad b/parts/rearlight.scad
index 00a3cf625caeac0028454c830f0f29212b0dc6ca..938c381e2b1620c99fd9676c0902fee1ea7851b3 100644 (file)
--- a/parts/rearlight.scad
+++ b/parts/rearlight.scad
@@ -10,17 +10,19 @@ heatsink_width = 18-3.4;
 heatsink_length = 58;
 
 module fraen_lens_pin() {
-       cylinder(r1=2, r2=6.15/2, h=23);
+       cylinder(r=4/2, h=23, $fn=32);
        translate([epsilon, 0, -5])
                cylinder(r=3.4/2, h=5+epsilon);
 };
 
 module fraen_lens() {
-       cylinder(r1=6, r2=30.51/2, h=23);
-       translate([9, 9, 0])   fraen_lens_pin();
-       translate([9, -9, 0])  fraen_lens_pin();
-       translate([-9, 9, 0])  fraen_lens_pin();
-       translate([-9, -9, 0]) fraen_lens_pin();
+       cylinder(r1=6, r2=30.9/2, h=23);
+       assign(off=10.35) {
+       translate([off, off, 0])   fraen_lens_pin();
+       translate([off, -off, 0])  fraen_lens_pin();
+       translate([-off, off, 0])  fraen_lens_pin();
+       translate([-off, -off, 0]) fraen_lens_pin();
+       };
 };
 
 module heatsink() {
@@ -162,11 +164,13 @@ module seat_clip() {
                translate([0, clip_bolt1_x, 0])
                        rotate([0, 90, 0])
                        translate([0, 0, -clip_wall-clip_space/2-epsilon])
-                       cylinder(r=1.5, h=2*clip_wall+clip_space+2*epsilon);
+                       cylinder(r=2, h=2*clip_wall+clip_space+2*epsilon,
+                               $fn = 6);
                translate([0, clip_bolt2_x, 0])
                        rotate([0, 90, 0])
                        translate([0, 0, -clip_wall-clip_space/2-epsilon])
-                       cylinder(r=1.5, h=2*clip_wall+clip_space+2*epsilon);
+                       cylinder(r=2, h=2*clip_wall+clip_space+2*epsilon,
+                               $fn=6);
        };
 
        translate([-clip_space, clip_bolt1_x, 0])
@@ -188,6 +192,7 @@ module seat_clip() {
        clip_top();
 };
 
+/*
 seat_clip();
 
 difference() {
@@ -216,15 +221,144 @@ difference() {
                        heatsink();
                };
 };
+*/
 
-/*
-if (debug == 1) {
+wall_thickness = 1.5;
+fraen_diam = 30.75;
+fraen_h = 29.8;
+pin_diam = 4;
+pin_offset = 10.35*1.4142;
+pin_len = 9.2;
+front_add = 4;
+
+side_barrier_x_offset = 13;
+side_barrier_pin_z_offset = 4.2;
+side_barrier_thickness = 2;
+
+module round_part() {
        difference() {
-               main($fn=64);
-               //translate([0, -100, 0]) cube([200, 200, 200], center=true);
-               rotate([0, 0, 40])translate([0, -100, 0]) cube([200, 200, 200], center=true);
+               cylinder(r = fraen_diam/2 + pin_diam/2 + wall_thickness,
+                       h = front_add + pin_len + wall_thickness);
+               translate([0, 0, -epsilon])
+                       cylinder(r = fraen_diam/2,
+                       h = pin_len + wall_thickness + front_add + 2*epsilon);
+               // front cone
+               translate([0, 0, pin_len + 1.5*wall_thickness - epsilon])
+                       cylinder(r1 = fraen_diam/2,
+                               r2 = (fraen_diam+pin_diam + wall_thickness)/2,
+                               h = front_add + 2*epsilon);
+               // pin holes
+               for (angle = [0, 90, 180, 270]) {
+                       rotate([0, 0, angle+45])
+                               translate([pin_offset, 0, wall_thickness-epsilon])
+                                       cylinder(r=pin_diam/2,
+                                               h=pin_len+epsilon, $fn=32);
+               };
        };
-} else {
-       main($fn=128);
+
+       // side barriers
+       for (angle = [0, 90, 180]) // omit the bottom one
+               rotate([0, 0, angle])
+                       intersection() {
+                               cylinder(r=fraen_diam/2+epsilon, h=infty);
+                               translate([-infty/2, side_barrier_x_offset,
+                                       wall_thickness + pin_len - side_barrier_pin_z_offset - side_barrier_thickness ])
+                                       cube([infty, infty, side_barrier_thickness]);
+               };
+};
+
+module square_cone() {
+       difference() {
+               hull() {
+                       translate([0, 0, fraen_h - pin_len - wall_thickness])
+                               cylinder(r = fraen_diam/2 + pin_diam/2 + wall_thickness,
+                                       h = epsilon);
+                       for (angle = [0, 90, 180, 270])
+                               rotate([0, 0, angle])
+                                       translate([9, 9, 0])
+                                               cylinder(r=wall_thickness+3.5/2, h = epsilon);
+               }
+               hull() {
+                       translate([0, 0, fraen_h - pin_len - wall_thickness+epsilon])
+                               cylinder(r = fraen_diam/2,
+                                       h = epsilon);
+                       for (angle = [0, 90, 180, 270])
+                               rotate([0, 0, angle])
+                                       translate([9, 9, -epsilon])
+                                               cylinder(r=3.5/2, h = epsilon);
+               }
+       }
 }
-*/
+
+rear_spring_w = 4;
+
+module rear_spring() {
+       translate([0, 0, wall_thickness/2])
+               cube([18+2*wall_thickness+3.5, rear_spring_w, wall_thickness], center=true);
+       difference() {
+               rotate([90, 0, 0])
+                       translate([0, 0, -rear_spring_w/2])
+                       cylinder(r=6-heatsink_thickness, h = rear_spring_w);
+               translate([0, 0, -infty/2+epsilon])
+                       cube(infty, center=true);
+       };
+};
+
+module heatsink_holder() {
+       for (angle = [0, 180]) {
+               rotate([0, 0, angle])
+                       translate([9+wall_thickness, 0, 6/2])
+                       cube([3.5/2+wall_thickness, 2*9-3.5-0.5, 6], center=true);
+       }
+}
+
+module lens_holder() {
+       difference() {
+               union() {
+                       translate([0, 0, fraen_h - pin_len - wall_thickness])
+                               round_part();
+                       square_cone();
+               };
+               
+               // 0.5mm hole in the bottom
+               // translate([side_barrier_x_offset-epsilon, -0.25, -epsilon])
+               translate([0, -0.25, (fraen_h - pin_len - wall_thickness)/2])
+                       cube([infty, 0.5, infty]);
+
+               // cable hole, 2*3mm
+               translate([9, 0, 6+3])
+                       rotate([0, 0, 60])
+                               cube([infty, 2, 3]);
+       };
+               
+       rear_spring();
+       heatsink_holder();
+};
+
+lens_holder($fn = 128);
+
+translate([20, 40, 0])
+       rotate([90, 0, -90])
+               seat_clip(, $fn=128);
+
+hull() {
+       translate([0, 9+3.5/2+epsilon, wall_thickness/2])
+               cube([2*9+3.5, epsilon, wall_thickness], center=true);
+       translate([20-clip_wall/2, 40-clip_space/2-clip_wall+epsilon, wall_thickness/2])
+               cube([clip_h1+clip_wall, epsilon/2, wall_thickness], center=true);
+};
+
+translate([7.5, 13.3, 0])
+       cube([wall_thickness, 23, fraen_h - pin_len - wall_thickness]);
+
+       // vnitrni prumer kruhu by mel byt 30.75mm
+       // vnejsi prumer aspon 35 mm
+       // pin od stredu 10.35mm na x a y
+       // prumer pinu 4 mm
+       // pin ma od cela do zabrany 4.2mm, celkove by mel mit 9.2mm
+
+       // piny by mely pokracovat jeste tak 4mm pod nulu,
+       // a pak uz muze jit konv.obal do ctverce
+       // vnitrni rozmery ctverce 21.5x21.5, zakulacene rohy prumer 3.5
+       // vrch chladice (s LEDkou) -18.5
+       // konec nozicek -24.5