z-axis: remove built-in support for leadscrew bearing holder

Was still difficult to remove consistently in last revision, built in
slicer support should be used instead.

diff --git a/box_frame/z-axis.scad b/box_frame/z-axis.scad
index a77534b..c1de637 100644 (file)
--- a/box_frame/z-axis.scad
+++ b/box_frame/z-axis.scad
@@ -184,8 +184,7 @@ module zrodholder(thickness=(frame_type == frame_single ? 14 : 15), bottom_thick
                               union () {
                                    translate ([0, 0, 1]) cylinder (d = 10.8, h = bearing_608[2]*2);
                                    translate ([0, 0, -1]) cylinder (d = 23, h = bearing_608[2]+1);
-                              }
-                              translate ([0, 0, bearing_608[2]-layer_height*2]) cylinder (d = 23 - single_wall_width/2, h = layer_height);
+                              }                               
                          }
                     }
                }