chiark / gitweb /
pattress-boxes-3-cover: RailProfile, introduce lslop (nfc)
[reprap-play.git] / pattress-boxes-3-cover.scad
index 1fb88b0ef9ddb08de540bfc07102bbe04a49160b..6122f5d0e95e452db38acce12fb4698305a5c4eb 100644 (file)
@@ -16,6 +16,8 @@ lid_switches_y_slop = 3;
 total_len = 260;
 thinbox_len = 87;
 
+rail_overlap = 8;
+
 lid_top_wall = 1.5;
 lid_front_wall = 1.5;
 lid_side_wall = 1.5;
@@ -57,6 +59,10 @@ peg_main_height = peg_straight_len + (peg_max_dia - peg_main_dia)/2/peg_slope;
 
 echo(peg_main_height);
 
+thinbox_front_z = lid_fatbox_switches_h + lid_fatbox_h - lid_thinbox_h;
+
+raillen = patbox_side/2 + rail_overlap;
+
 module LidSideProfile(){
   polygon([[-lid_top_wall,     lid_inner_max_h],
           [lid_inner_kink[0], lid_inner_max_h],
@@ -66,15 +72,15 @@ module LidSideProfile(){
           [-lid_top_wall,     -lid_front_wall]]);
 }
 
-module RailProfile(){
-  yt_base = lid_seatline_h + lid_fatbox_h - lid_thinbox_h;
+module RailProfile(lslop=0.1){
+  yt_base = thinbox_front_z;
   yt = yt_base - lid_rail_behindslop;
-  pegx = (lid_inner_w - patbox_centres)/2;
+  pegx = (lid_inner_w_nom - patbox_centres)/2;
   
-  polygon([[-0.1,                  yt],
+  polygon([[-lslop,                  yt],
           [pegx - peg_main_dia/2, yt],
           [pegx - peg_main_dia/2, yt_base - peg_straight_len],
-          [-0.1,
+          [-lslop,
            yt_base - peg_straight_len - (pegx - peg_main_dia/2)/peg_slope
           -0.1]]);
 }
@@ -102,7 +108,7 @@ module LidSide(){
   // rail
   rotate([90,0,90])
     translate([0,0,-0.1])
-    linear_extrude(height=100.1) //todo
+    linear_extrude(height=raillen+0.1) //todo
     RailProfile();
 }
 
@@ -144,7 +150,7 @@ module TopPattressBox(){
 
 module Demo(){
   translate([0, -lid_inner_w/2, 0]) LidSide();
-  translate([0,0, lid_fatbox_h])
+  translate([0,0, thinbox_front_z])
     rotate([0,180,0]) translate([0, -patbox_side/2, 0])
     rotate([0,0,90]) union(){
       %TopPattressBox();