add some layer_height value to pushfittery

1 files changed, 1 insertions, 0 deletions

diff --git a/pushfittery.scad b/pushfittery.scad
index adebec2..ee3bbd0 100644
--- a/pushfittery.scad
+++ b/pushfittery.scad
@@ -1,24 +1,25 @@
+layer_height=.2;
 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);
   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");