pushfittery: more epsilony epsilon

1 files changed, 2 insertions, 2 deletions

diff --git a/pushfittery.scad b/pushfittery.scad
index ee3bbd0..6b6ec2e 100644
--- a/pushfittery.scad
+++ b/pushfittery.scad
@@ -1,44 +1,44 @@
-layer_height=.2;
+layer_height=.2; epsilon=.01;
 draft = true;
 
 use <threads.scad>;
 
 function pf_(d,k) = d[search([k],d)[0]][1];
 function pf_d(pf) = pf_(pf,"d");
 function pf_h(pf) = pf_(pf,"h");
 module pushfit(pf,draft=draft) {
  fnd = 2*PI; epsilon=.01;
  type = pf_(pf,"type");
  h = pf_h(pf);
  if(type=="threaded") {
   minch = 25.4;
   d = (pf_d(pf) + pf_(pf,"d_tolerance"))/minch;
   tpi = pf_(pf,"tpi");
   if(draft) cylinder(d=d*minch,h=h+epsilon);
-  else english_thread(diameter=d,threads_per_inch=tpi,length=h/minch+epsilon,internal=true);
+  else english_thread(diameter=d,threads_per_inch=tpi,length=(h+epsilon)/minch,internal=true);
   slitl = d*minch+layer_height;
   slitw = 0.8*d*minch/2;
   echo(slitw,slitl);
   translate([-slitw/2,-slitl/2,0]) cube([slitw,slitl,h+epsilon]);
  }else if(type=="embedded") {
   d = pf_d(pf);
   h_ring = pf_(pf,"h_ring");
   d_insert = pf_(pf,"d_insert");
   $fn = d*fnd;
   translate([0,0,h-h_ring]) cylinder(d=d,h=h_ring+epsilon);
   cylinder(d=d_insert,h=h);
  }else if(type=="embeddest") {
   d = pf_d(pf);
   id = pf_(pf,"id");
   h_legspace = pf_(pf,"h_legspace");
   ch = pf_(pf,"ch");
   $fn = d*fnd;
   cylinder(d=id,h=h+1);
   cylinder(d=d,h=h_legspace);
   dd = (d-id)/2;
   translate([0,0,h_legspace-epsilon])
   cylinder(d1=d,d2=id-2*epsilon,h=dd+epsilon);
   translate([0,0,h-ch-epsilon])
   cylinder(d1=id-2*epsilon,d2=id+2*ch+2,h=ch+epsilon+1);
  }
 }//pushfit module