X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=belt-slot-cut-jig.scad;h=15d9cf61e4aee6c093988f53e54bece285431709;hb=e12a7acc5bf49df2a2c355365598a3083ee91ba2;hp=408ed235466d86196d964957ded8a278da720d6f;hpb=b5c3f52029b2db29e620ea3f5d4ee1700e4e4d8c;p=reprap-play.git

diff --git a/belt-slot-cut-jig.scad b/belt-slot-cut-jig.scad
index 408ed23..15d9cf6 100644
--- a/belt-slot-cut-jig.scad
+++ b/belt-slot-cut-jig.scad
@@ -59,15 +59,21 @@ 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
+
 // computed
 
 attach_ysz = holder_attach_walls*2 + holder_ctie_width;
-holder_front_all = crewpunch_shaft_max_y - crewpunch_biggest_shape[1][1]
-  + attach_ysz;
 
 holder_block_zsz = crewpunch_biggest_shape[0] - crewpunch_smallest_shape[0];
 holder_xsz = crewpunch_biggest_shape[2][1] + crewpunch_biggest_shape[2][0] +
   holder_min_wall*2;
+
+holder_front_all = crewpunch_shaft_max_y - crewpunch_biggest_shape[1][1]
+  + attach_ysz + crewpunch_systematic_size_error + crewpunch_skew_yoff
+  + holder_xsz/2 * sin(abs(crewpunch_skew_angle));
+
 crewpunch_biggest_y =
   crewpunch_biggest_shape[1][0] + crewpunch_biggest_shape[1][1];
 holder_ysz = crewpunch_biggest_y + holder_min_wall + holder_front_all;
@@ -103,13 +109,18 @@ module CrewPunch(){
 }
 
 module PunchHolder(cutouts=true){
-  translate([-holder_xsz/2,
-	     -holder_ysz + holder_min_wall + crewpunch_biggest_y/2,
-	     0]){
+  translations=[-holder_xsz/2,
+		-holder_ysz + holder_min_wall + crewpunch_biggest_y/2,
+		0];
+  translate(translations){
     difference(){
       translate([0,attach_offset,0])
 	cube([holder_xsz, holder_ysz - attach_offset, holder_block_zsz]);
       if (cutouts)
+	translate([0,-crewpunch_skew_yoff])
+	translate(-translations)
+	rotate([0,0,-crewpunch_skew_angle])
+	translate(translations)
 	translate([crewpunch_biggest_shape[2][0] + holder_min_wall,
 		   crewpunch_biggest_shape[1][0] + holder_front_all,
 		   -crewpunch_smallest_shape[0]])