mudguard-bracket: wip

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/mudguard-bracket.scad b/mudguard-bracket.scad
index f663f605b009063357159f84b72ef4eb9410bd14..b9b0a909f911015f4afa3f5e1b4c1ce4c6a17a51 100644 (file)
--- a/mudguard-bracket.scad
+++ b/mudguard-bracket.scad
@@ -39,14 +39,16 @@ function tubeswidth_at_z(z) =
 
 bracket_bot_z = screw_hole_z - beam_h/2;
 bracket_top_z = screw_hole_z + beam_h/2;
-bracket_bot_xsz = tubeswidth_at_z(bracket_bot_z) + tube_dia * 1.5;
-bracket_top_xsz = tubeswidth_at_z(bracket_top_z) + tube_dia * 1.5;
+bracket_bot_xsz = tubeswidth_at_z(bracket_bot_z) + tube_dia * 2.5;
+bracket_top_xsz = tubeswidth_at_z(bracket_top_z) + tube_dia * 2.5;
 
 wing_top_ea_x = -tubeswidth_top/2 - wings_main_th/2;
 
 retainer_ea_x = wing_top_ea_x + wings_main_th/2 + retainer_x_gap;
 retainer_z_ctr = retainer_z - retainer_radius;
 
+tube_angle = atan2((tubeswidth_bot - tubeswidth_top)/2, tubeswidth_dz);
+
 wing_corners = [
 //             [ -wings_dist_x/2, wings_cup_z/2 ],
                [ wing_top_ea_x, 0 ],
@@ -184,6 +186,21 @@ module Retainer(){ ////toplevel
   }
 }
 
+module Tube(){ ////toplevel
+  translate([ -tubeswidth_bot/2 - tube_dia/2, tube_dia/2, 0 ])
+    rotate([ 0, tube_angle, 0])
+    linextr(-50, 100)
+    circle(r = tube_dia/2);
+}
+
+module Clamp(){ ////toplevel
+  difference(){
+    hull(){
+      
+    }
+  }
+}
+
 module ElevationDemo(){ ////toplevel
   translate([0,0,2]) color("red") WingCupElevationNegative();
   translate([0,0,1]) color("blue") WingElevation();
@@ -205,4 +222,5 @@ module Demo(){ ////toplevel
     rotate([90,0,0])
     translate([ 0, 0, beam_th + 1 ])
     Retainer();
+  %for (m=[0,1]) mirror([m,0,0]) Tube();
 }