pump-inframe-bracket.scad

   1 // -*- C -*-
   2
   3 tube_dia = 27.5 + 0.5;
   4 pump_w = 42.5 + 0.5;
   5 pump_d = 28.0 + 0.5;
   6 main_h = 45.0;
   7 backflange_d = 12;
   8
   9 back_gap = 7;
  10 main_th = 2.5;
  11
  12 // calculated
  13
  14 tube_or = tube_dia/2 + main_th;
  15 back_ohw = back_gap/2 + main_th;
  16 backflange_ymin = tube_or+backflange_d;
  17
  18 module MainPlan(){
  19   difference(){
  20     union(){
  21       circle(r = tube_or);
  22       translate([-back_ohw,0]) mirror([0,1])
  23         square([back_ohw*2, backflange_ymin]);
  24     }
  25     circle(r = tube_dia/2);
  26     translate([-back_gap/2,1]) mirror([0,1])
  27       square([back_gap, backflange_ymin+2]);
  28   }
  29 }
  30
  31 MainPlan();