bracket: adjust motormounthole default diameter

1 files changed, 1 insertions, 1 deletions

diff --git a/titan-bracket.scad b/titan-bracket.scad
index 48858bb..924214a 100644
--- a/titan-bracket.scad
+++ b/titan-bracket.scad
@@ -1,88 +1,88 @@
 // The thickness of the mount plate (in mm)
 mountplate_thickness = 5 ; // [0:10]
 // The thickness of the motor mount plate (in mm)
 motormountplate_thickness = 2 ; // [2:7]
 
 /* [Hidden] */
 layer_height=.25; extrusion_width=.5;
 epsilon=.01;
 
 module smoothen(r) {
  offset(r=+r,$fn=r*PI*6) offset(delta=-r) children();
 }
 
 module the_bracket(
  mountplate_size=[62,40],
  mountplate_r = 3,
  mounthole_d = 3.5,
  mountholes_span=[54,30],
  motor_side=42.3,
  motor_protrusion_hole_d = 23.5,
  motormountholes_span = 31,
  thickness = 2,
  motormountplate_thickness = 2.5,
  mountplate_thickness = 2,
- motormounthole_d = 3,
+ motormounthole_d = 3.1,
  motorconnector_width = 16.5,
  motorconnector_hole_r = 2.5,
  motorconnector_distance = 16.5,
  mountscrew_l = 10, mountscrewhead_d = 6, mountscrewhead_h = 3,
  mounthole_depth = 5,
  motormounthole_depth = 4,
  extra_spacer = 0
 ) {
  titan_h = 25; titan_bowdenmount_h = 4;
  echo("max longscrew",titan_h+motormountplate_thickness+extra_spacer+motormounthole_depth);
  echo("max shortscrew",titan_bowdenmount_h+motormountplate_thickness+extra_spacer+motormounthole_depth);
  difference() {
   union() {
    // mount plate
    linear_extrude(height=mountplate_thickness)
    smoothen(r=mountplate_r)
    translate([-mountplate_size.x/2,0])
    square(size=mountplate_size);
    // motor mount plate
    hull() for(sx=[-1,1])
    translate([sx*(motor_side/2+thickness-motormountplate_thickness/2),motormountplate_thickness/2,0])
    cylinder(d=motormountplate_thickness,h=motor_side+mountplate_thickness,$fn=motormountplate_thickness*PI*2);
    // sides
    for(sx=[-1,1]) translate([sx*(motor_side+thickness)/2,0,0])
    hull() {
     translate([-thickness/2,motormountplate_thickness/2,0])
     cube(size=[thickness,mountplate_size.y-motormountplate_thickness/2,mountplate_thickness]);
     translate([-thickness/2,motormountplate_thickness/2,0])
     cube(size=[thickness,motormountplate_thickness/2,mountplate_thickness+motor_side]);
    }
   }
   // mount holes
   for(sx=[-1,1]) for(sy=[-1,0,1])
    translate([sx*mountholes_span.x/2,sy*mountholes_span.y/2,0])
    translate([0,mountplate_size.y/2,0]) {
     translate([0,0,-1])
     cylinder(d=mounthole_d,h=mountplate_thickness+2,$fn=mounthole_d*PI*2);
     translate([0,0,mountscrew_l-mounthole_depth])
     cylinder(d=mountscrewhead_d,h=mountplate_thickness+1,$fn=mountscrewhead_d*PI*2);
    }
   // motor protrusion cutout
   translate([0,0,mountplate_thickness+motor_side/2])
   rotate([-90,0,0]) translate([0,0,-1])
   cylinder(d=motor_protrusion_hole_d,h=motormountplate_thickness+2,$fn=motor_protrusion_hole_d*PI*2);
   // motor mount holes
   for(sx=[-1,1]) for(sz=[-1,1])
    translate([sx*motormountholes_span/2,0,sz*motormountholes_span/2])
    translate([0,0,mountplate_thickness+motor_side/2])
    rotate([-90,0,0]) translate([0,0,-1])
    cylinder(d=motormounthole_d,h=motormountplate_thickness+2,$fn=motormounthole_d*PI*2);
   // motor connector cutout
   translate([mountplate_size.x/2,
              motormountplate_thickness+extra_spacer+motorconnector_distance-motorconnector_hole_r,
              mountplate_thickness+motor_side/2-motorconnector_width/2])
   rotate([0,-90,0])
   linear_extrude(height=mountplate_size.x)
   smoothen(r=motorconnector_hole_r)
   square([motor_side+mountplate_thickness+1,mountplate_size.y]);
  }//difference
 }//the_bracket module
 
 // mountplate_thickness = 5.1
 the_bracket(mountplate_thickness=mountplate_thickness,motormountplate_thickness=motormountplate_thickness);