OpenScad - Support Half Moon

MiddleMoon.png

SupportHalfMoon.scad

h=100;
r_cylinder=62.5;
r_hole=[2,3,4];
r_bighole=10;
distances=[32,40,50];
n=24; 
$fn=120;

    
module repeatInCircle(n,di){
    for(i=[0:n-1])
        rotate([0,0,(i+di)*360/n]) children();
}

difference(){    
  cylinder(h, r=r_cylinder,center=true);
  translate([0,23,0]) cylinder(h+1,r=r_bighole,center=true); 
    
  //color("green") 
  translate([-70,10,-40]) cube([150,150,80],false);  // inner

  //color("red") 
  translate([-70,-200,-55]) cube([150,200,110],false);  //outer

    
  for(j=[2:2])
     repeatInCircle(n,j/4) translate([distances[j],0,0]) cylinder(h+1, r=r_hole[j], center=true);
  
  
}