X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=belt-slot-cut-jig.scad;h=543a53f4d804711136c73d6a25ff79466014c0e7;hp=cd935bd14108a6ccd1a33d9743e37a5ab999a056;hb=14f86b26435802ec6292652fc167799e1122ec21;hpb=c41c09aa5ed0cbecf95dcdd4f0271dd5196a032b

diff --git a/belt-slot-cut-jig.scad b/belt-slot-cut-jig.scad
index cd935bd..543a53f 100644
--- a/belt-slot-cut-jig.scad
+++ b/belt-slot-cut-jig.scad
@@ -5,7 +5,14 @@
 //   protrustions at ends at strap width and middle
 //   grooves on top face at 1/4,1/2,3/4 length and 1/2 width
 
+strap_thick = 3;
+strap_width = 26.75 + 0.7;
+
+jig_interval = 25;
+
+edgewall_width = 3;
 crewpunch_slop = 0.3;
+main_slop = 0.25;
 
 holder_min_wall = 2;
 holder_attach_near_wall = 5;
@@ -18,26 +25,8 @@ holder_attach_roof = 2.5;
 
 holder_corner_round = 2.0;
 
-jig_interval = 25;
-strap_width = 26.75 + 0.7;
-strap_thick = 3;
-edgewall_width = 3;
-
 punch_travel = 8;
 
-main_slop = 0.25;
-
-jig_max_len = 160; // print diagonally
-//jig_max_len = 30;
-
-registrationgroove_width = 0.8;
-registrationgroove_depth = 1.2;
-
-registrationprotrusion_poke = 3;
-registrationprotrusion_slope = 0.75;
-
-jig_overlap = 1;
-
 // from careful measurement
 
 crewpunch_shape =
@@ -95,11 +84,9 @@ jig_min_y = min(holder_all_min_y - main_slop, -strap_width/2) - edgewall_width;
 
 jig_main_zsz = holder_block_zsz + punch_travel;
 
-jig_ends_extra = 2;
+// common stuff
 
-//jig_iters = (jig_max_len - jig_ends_extra) / jig_interval;
-jig_iters=2;
-echo(jig_iters);
+include <belt-cut-jig-common.scad>
 
 // objects
 
@@ -166,83 +153,15 @@ module PunchHolder(cutouts=true){
     }
 }
 
-module RegistrationGroove(l){
-  // runs along the +ve X axis for length l but at correct z pos
-  translate([0, 0, jig_main_zsz + 0.1]) {
-    rotate([90,0,90])
-      linear_extrude(height=l)
-      polygon([[-registrationgroove_width/2, 0],
-	       [ +registrationgroove_width/2, 0],
-	       [ 0, -registrationgroove_depth ]]);
-  }
-}
-
-module OneJig(){
-  difference(){
-    translate([-(jig_interval/2 + jig_overlap),
-	       jig_min_y,
-	       -strap_thick])
-      cube([jig_interval + 2,
-	    jig_max_y - jig_min_y,
-	    jig_main_zsz + strap_thick]);
-    minkowski(){
-      cube([main_slop*2, main_slop*2, 50], center=true);
-      PunchHolder(false);
-    }
-    translate([-100, -strap_width/2, -10])
-      cube([200, strap_width, 10]);
-   translate([-100,0,0])
-     RegistrationGroove(200);
-   for (xfrac=[-1/4,0,+1/4])
-     translate([jig_interval * xfrac, -100, 0])
-       rotate([0,0,90])
-       RegistrationGroove(200);
-  }
-}
-
-module RegistrationProtrusion(){
-  // points towards the positive x axis
-  xsz = registrationprotrusion_poke;
-  ysz = registrationprotrusion_poke;
-  diag_sz = xsz * sqrt(2);
-  zsz = diag_sz / registrationprotrusion_slope;
-  hull(){
-    translate([0, 0, 0.1]){
-      linear_extrude(height=0.1)
-	polygon([[   0, -ysz ],
-		 [ xsz,    0 ],
-		 [   0,  ysz ]]);
-      translate([-0.1, 0, zsz ])
-	rotate([0,0,45])
-	cube(0.1);
-    }
-  }
-}
-
-module Jig(){
-  for(end=[0,1]){
-    for(yfrac=[-1/2, 0, 1/2]){
-      translate([ end
-		  ? jig_interval * (jig_iters - 0.5)
-		  : -jig_interval/2,
-		 yfrac * strap_width,
-		 0])
-	rotate([0,0, end ? 0 : 180])
-	translate([ jig_overlap, 0, 0 ])
-	RegistrationProtrusion();
-    }
-  }
-  for (i=[0:jig_iters-1]) {
-    translate([jig_interval * i, 0, 0])
-      OneJig();
+module OneJigCutout(){
+  minkowski(){
+    cube([main_slop*2, main_slop*2, 50], center=true);
+    PunchHolder(false);
   }
 }
 
 module JigT(){ ////toplevel
-  rotate([0,0,-45])
-    translate([0,0,jig_main_zsz])
-    rotate([180,0,0])
-    Jig();
+  JigPrint();
 }
 
 module PunchHolderT(){ ////toplevel
@@ -269,7 +188,7 @@ module Kit(){ ////toplevel
 //PunchHolder(false);
 //OneJig();
 //Jig();
-//Demo();
+Demo();
 //JigT();
 //RegistrationProtrusion();
 //PunchHolderT();