X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=ksafe-base.scad;h=9ea0ccd8e4ff62750f498d2ec359d4f9aa9a393e;hb=7d13858e272e66436e9bc132c41e7ab64e6c584a;hp=87a603180b52e77ffbfd06e307eb8839637f1e85;hpb=ffb2e0ea910eb84b2948dccf8f137be58d3d3846;p=reprap-play.git

diff --git a/ksafe-base.scad b/ksafe-base.scad
index 87a6031..9ea0ccd 100644
--- a/ksafe-base.scad
+++ b/ksafe-base.scad
@@ -9,6 +9,10 @@ main_sz = 150.56 + 0.75;
 cnr_rad = 13.5; // approx
 lidinner_thick_allow = 20.78 + 0.50;
 
+dpp3 = [ -5.5, 8.5 ];
+dpp2 = [ -11.0, 7.0 ];
+dpp1 = [ -34.0, 14.0 ];
+
 // other parameters
 web_thick = 4;
 web_height = 20; // excluding wall and base thick
@@ -21,6 +25,19 @@ space = 25;
 anchor_thick = 4;
 anchor_rad = 4;
 bevel = 8;
+string_slot = 3.0;
+string_depth = 6.0;
+thumbslot_depth = 5.0;
+thumbslot_width = 15.0;
+thumbslot_between = 10;
+ksafecover_lip = 4.62;
+display_width = 69.81 - 0.50;
+dcover_endthick = 3.0;
+dcover_mainthick = 5.0;
+dcover_slop_height = 0.35;
+dcover_slop_depth = 0.25;
+dcover_slop_inside = 1.50;
+dcover_commonvertoff = 0.00; // slop_height or slop_inside is added too
 
 // ----- calculated -----
 
@@ -43,6 +60,19 @@ yw11 = yw2 + anchor_wall_space;
 yw12 = yw11 + wall_thick;
 yw13 = -yw6;
 
+cpp1 = dpp1 + [  dcover_slop_depth, dcover_slop_height ];
+cpp2 = dpp2 + [ -dcover_slop_depth, dcover_slop_height ];
+cppH = cpp1 + [ 0, dcover_endthick ];
+cppA = [ cpp2[0], dpp3[1] + dcover_slop_inside ];
+cppK = cppA + [ 0, dcover_mainthick ];
+cppZ = [ -ksafecover_lip, -dcover_commonvertoff ];
+cppD = cppZ + [ 0, -dcover_slop_inside ];
+cppE = cppD + [ 0, -dcover_mainthick ];
+cppC = [ dcover_slop_inside, cppD[1] ];
+cppF = cppC + dcover_mainthick * [1,-1];
+cppB = [ cppC[0], cppA[1] ];
+cppG = [ cppF[0], cppK[1] ];
+
 // anchor
 
 anchor_b = anchor_thick + anchor_rad;
@@ -162,6 +192,27 @@ module BaseProfile(){
   SomeBaseProfile($xppI, $xppF);
 }
 
+module DCoverProfileRaw(){
+  polygon([ cpp1,
+	    cpp2,
+	    cppA,
+	    cppB,
+	    cppC,
+	    cppD,
+	    cppE,
+	    cppF,
+	    cppG,
+	    cppK,
+	    cppH ],
+	  convexity = 10);
+}
+
+module DCoverProfile(){
+  mirror([1,0])
+    translate(-cppZ)
+    DCoverProfileRaw();
+}
+
 module SWalls(ymin, ymax, t_bevel) {
   upp_app_Vars(t_bevel) {
     translate([0,ymin,0])
@@ -219,24 +270,64 @@ module Box(){
   rotate([0,0,90]) SWalls(yw6, yw13, bevel) UsualProfile();
 }
 
-module KsafeBase(){
+module KsafeBase(){ ////toplevel
+  cut = main_sz + 20;
+
   difference(){
     Box();
 
     // bolt holes
     translate([0,0, -bolt_above -0.5 * bolthole_height])
-      cube(center=true, [ main_sz + 20, bolthole_width, bolthole_height ]);
+      cube(center=true, [ cut, bolthole_width, bolthole_height ]);
+
+    // string slot
+    translate([ -cut,
+	        -(bolthole_width/2 + bolthole_rhs),
+	        1 ])
+      mirror([0,1,0]) mirror([0,0,1])
+      cube([ cut*2,
+	     string_slot,
+	     lidinner_thick_allow + string_depth + 1 ]);
+
+    // thumb slots
+    for (mx=[0,1]) mirror([mx,0,0]) {
+      translate([ thumbslot_between/2,
+		  0,
+		  -thumbslot_depth ])
+	cube([ thumbslot_width,
+	       cut,
+	       thumbslot_depth+1 ]);
+    }
   }
 }
 
-module DemoProfiles(){
+module DemoProfiles(){ ////toplevel
   translate([0,0,-2]) color("yellow") AnchorWallProfile();
   color("red") AnchorProfile();
   translate([0,0,2]) color("black") NearAnchorProfile();
   translate([0,0,4]) color("blue") UsualProfile();
   translate([0,0,-4]) color("pink") WebProfile();
+  translate([0,0,6]) color("purple") DCoverProfile();
+}
+
+module RimTest(){ ////toplevel
+  intersection(){
+    Box();
+    cube(center=true, [ main_sz*2, main_sz*2,
+			2.5 ]);
+  }
+}
+
+module BoltTest(){ ////toplevel
+  dy = 0.5 * (bolthole_width+4);
+  intersection(){
+    KsafeBase();
+    translate([ 0, -dy, -(bolt_above + bolthole_height + 1) ])
+      cube([ main_sz, dy*2, 50 ]);
+  }
 }
 
 //DemoProfiles();
 //Box();
-KsafeBase();
+//KsafeBase();
+//RimTest();