X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=belt-slot-cut-jig.scad;h=a89a071f34c1a9d1375ede5c003f723aa8a8a48e;hb=2800433b2a3dc1ab3b5db543e0889126a248b834;hp=c613c8f45358e0445cd82391a0ea63ea5415c517;hpb=d5cf035b7812e1b7f90c0efe0d93d076ae620395;p=reprap-play.git

diff --git a/belt-slot-cut-jig.scad b/belt-slot-cut-jig.scad
index c613c8f..a89a071 100644
--- a/belt-slot-cut-jig.scad
+++ b/belt-slot-cut-jig.scad
@@ -50,17 +50,15 @@ crewpunch_shape =
    [ 26, [3.3, 7.2], [3.5, 13.6] ], 
    ];
 
-crewpunch_shaft_max_y = 7.5;
+crewpunch_shaft_max_y = 3.5;
 
 crewpunch_systematic_size_error = +0.36;
 
-crewpunch_min_y = 4.7 - crewpunch_systematic_size_error;
-
 crewpunch_smallest_shape = crewpunch_shape[0];
 crewpunch_biggest_shape = crewpunch_shape[len(crewpunch_shape)-1];
 
-crewpunch_skew_angle = 2.0; //degrees
-crewpunch_skew_yoff = 0.6; //mm
+crewpunch_skew_angle = 3.5; //degrees
+crewpunch_skew_yoff = -1.1; //mm
 
 // computed
 
@@ -70,13 +68,16 @@ holder_block_zsz = crewpunch_biggest_shape[0] - crewpunch_smallest_shape[0];
 holder_xsz = crewpunch_biggest_shape[2][0] + crewpunch_biggest_shape[2][1] +
   holder_min_wall*2;
 
-holder_front_all = crewpunch_shaft_max_y - crewpunch_biggest_shape[1][1]
+holder_skewangle_yextra = holder_xsz/2 * sin(abs(crewpunch_skew_angle));
+
+holder_front_all = crewpunch_shaft_max_y - crewpunch_biggest_shape[1][0]
   + attach_ysz + crewpunch_systematic_size_error + crewpunch_skew_yoff
-  + holder_xsz/2 * sin(abs(crewpunch_skew_angle));
+  + holder_skewangle_yextra;
 
 crewpunch_biggest_y =
   crewpunch_biggest_shape[1][0] + crewpunch_biggest_shape[1][1];
-holder_ysz = crewpunch_biggest_y + holder_min_wall + holder_front_all;
+holder_ysz = crewpunch_biggest_y + holder_min_wall + holder_front_all
+  + max(0, -crewpunch_skew_yoff);
 
 attach_offset = 0.5 * (holder_front_all - holder_attach_near_wall);
 
@@ -100,7 +101,7 @@ module CrewPunch(){
 	    mirror([xind?1:0,0,0]) mirror([0,yind?0:1,0]){
 	      translate([-0.1,-0.1,-0.1])
 		cube([0.1 + layer[2][xind] + ourslop,
-		      0.1 + layer[1][yind] + ourslop,
+		      0.1 + layer[1][1-yind] + ourslop,
 		      0.2]);
 	    }
       }
@@ -122,7 +123,7 @@ module PunchHolder(cutouts=true){
 	rotate([0,0,-crewpunch_skew_angle])
 	translate(translations)
 	translate([crewpunch_biggest_shape[2][1] + holder_min_wall,
-		   crewpunch_biggest_shape[1][0] + holder_front_all,
+		   crewpunch_biggest_shape[1][1] + holder_front_all,
 		   -crewpunch_smallest_shape[0]])
 	  CrewPunch();
     }
@@ -223,7 +224,7 @@ module PunchHolderT(){ ////toplevel
   PunchHolder(true);
 }
 
-module Demo(){
+module Demo(){ ////toplevel
   %PunchHolder();
   Jig();
 }
@@ -243,7 +244,7 @@ module Kit(){ ////toplevel
 //PunchHolder(false);
 //OneJig();
 //Jig();
-//Demo();
+Demo();
 //JigT();
 //RegistrationProtrusion();
 //PunchHolderT();