X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=belt-slot-cut-jig.scad;h=e5731c63c6c92e8708c6c6aa3e6bae9c701f0ca0;hb=0099c9fe4e3a9e15dc9372db5c4c7a0c7a25d5e4;hp=c7efa51a96fed1362b9c64f6bc23600936f457f1;hpb=2053a1e81c21e67791b5351638651cd970742095;p=reprap-play.git

diff --git a/belt-slot-cut-jig.scad b/belt-slot-cut-jig.scad
index c7efa51..e5731c6 100644
--- a/belt-slot-cut-jig.scad
+++ b/belt-slot-cut-jig.scad
@@ -16,6 +16,8 @@ holder_ctie_thick = 3.0 + 0.5;
 holder_attach_walls = 3;
 holder_attach_roof = 2.5;
 
+holder_corner_round = 2.0;
+
 jig_interval = 25;
 strap_width = 26.75 + 0.7;
 strap_thick = 3;
@@ -23,7 +25,7 @@ edgewall_width = 3;
 
 punch_travel = 8;
 
-main_slop = 0.5;
+main_slop = 0.25;
 
 jig_max_len = 160; // print diagonally
 //jig_max_len = 30;
@@ -95,8 +97,8 @@ jig_main_zsz = holder_block_zsz + punch_travel;
 
 jig_ends_extra = 2;
 
-//jig_iters = (jig_max_len - jig_ends_extra) / jig_interval;
-jig_iters=2;
+jig_iters = floor((jig_max_len - jig_ends_extra) / jig_interval);
+//jig_iters=2;
 echo(jig_iters);
 
 // objects
@@ -119,12 +121,29 @@ module CrewPunch(){
   }
 }
 
+module MaybeRoundedCube(sizes, roundedness){
+  if (roundedness > 0) {
+    translate([roundedness, roundedness, 0]){
+      minkowski(){
+	cube([sizes[0] - roundedness*2,
+	      sizes[1] - roundedness*2,
+	      sizes[2]]);
+	cylinder(h=0.05, r=roundedness, $fn=20);
+      }
+    }
+  } else {
+    cube(sizes);
+  }
+}
+
 module PunchHolder(cutouts=true){
+  roundedness = cutouts ? holder_corner_round : 0;
     difference(){
       translate([-holder_xsz/2, holder_block_min_y, 0])
-	cube([holder_xsz,
-	      holder_max_y - holder_block_min_y,
-	      holder_block_zsz]);
+	MaybeRoundedCube([holder_xsz,
+			  holder_max_y - holder_block_min_y,
+			  holder_block_zsz],
+			 roundedness);
       if (cutouts)
 	rotate([0,0,-crewpunch_skew_angle])
 	translate([punch_dx,
@@ -134,13 +153,14 @@ module PunchHolder(cutouts=true){
     }
     difference(){
       translate([-holder_attach_xsz/2, holder_all_min_y, 0])
-	cube([holder_attach_xsz,
-	      attach_ysz,
-	      holder_block_zsz + punch_travel
-	      + holder_ctie_thick + holder_attach_roof + 1]);
+	MaybeRoundedCube([holder_attach_xsz,
+			  attach_ysz,
+			  holder_block_zsz + punch_travel
+			  + holder_ctie_thick + holder_attach_roof + 1],
+			 roundedness);
       if (cutouts)
 	translate([-30,
-		   holder_attach_walls,
+		   holder_all_min_y + holder_attach_walls,
 		   holder_block_zsz + punch_travel])
 	  cube([60, holder_ctie_width, holder_ctie_thick]);
     }
@@ -238,7 +258,7 @@ module Kit(){ ////toplevel
   JigT();
   rotate([0,0,-45]){
     translate([(jig_iters-1)*jig_interval/2,
-	       -strap_width,
+	       jig_min_y - holder_max_y - 5,
 	       0])
       PunchHolder();
   }