1 files changed, 1 insertions, 0 deletions

diff --git a/x-carriage-adapter.scad b/x-carriage-adapter.scad
index f3ebb09..9cf6c08 100644
--- a/x-carriage-adapter.scad
+++ b/x-carriage-adapter.scad
@@ -108,38 +108,39 @@ module base() {
    translate([-hs_size[0]/2,-thread_h/2-slide_tolerance,-us-slide_tolerance])
    mirror([0,1,0]) cube(size=[hs_size[0],back_thickness,us+slide_tolerance+thread_h]);
   } // union
   translate([0,0,thread_h/2])
   rotate([0,90,0]) cylinder(d=3+screw_tolerance,h=hs_size[0]+2,center=true,$fn=12);
   for(smx=[0,1]) mirror([smx,0,0])
    translate([hs_size[0]/2+1,0,thread_h/2]) rotate([0,-90,0]) cylinder(d=screwhead_d+slide_tolerance,h=screwhead_h+1,$fn=30);
   /* changed my mind; for(srx=[-1,1]) rotate([srx*15,0,0])
    translate([0,0,thread_h/2-slide_tolerance])
    cube(size=[hs_size[0]-2*hinge_s,thread_h*sqrt(2)+2,thread_h],center=true); */
   // switch mount
   for(sx=[-1,1]) translate([sx*ms_screws_apart/2+ms_switch_offset,thread_h/2,-ms_size[2]])
    rotate([90,0,0])
    cylinder(d=2.5,h=ms_size[1]*2,center=true,$fn=12);
   // thing mount
   translate([0,-thread_h/2-back_thickness,lower_by])
   for(mhft = mounting_holes_from_top) translate([mhft[0],0,-mhft[1]]) {
    rotate([-90,0,0])
    translate([0,0,-1])
    cylinder(d=3,h=back_thickness+1);
    translate([0,back_thickness/2,0])
    cube(size=[2*hs_size[0],nut_thickness+slide_tolerance,nut_width+slide_tolerance],center=true);
   } // translate for
   mirror([0,0,1]) translate([0,ps_offset,-1]) cylinder(d=3,h=hs_size[2]+1);
+  mirror([0,0,1]) translate([0,-thread_h/2+3/2,-1]) cylinder(d=3,h=us+2);
  } // difference
 }
 
 view="*";
 
 if(view=="holder") {
  holder();
 }else if(view=="base") {
  base();
 }else {
  % translate([0,0,-assembly_height]) chimera_assembly();
  color("lightgreen",0.7) holder();
  color("darkgreen",0.7) base();
 }