| Line 3... | Line 3... | 
      
        | 3 |   | 3 |   | 
      
        | 4 | x_size = 20;           // horizontal outer size of the aquarium pedestal.  | 4 | x_size = 20;           // horizontal outer size of the aquarium pedestal.  | 
      
        | 5 | y_size = 20;           //  | 5 | y_size = 20;           //  | 
      
        | 6 | mount_hole = 3.5; | 6 | mount_hole = 3.5; | 
      
        | 7 | nut_size = 6.8; | 7 | nut_size = 6.8; | 
      
        | 8 | SMA_dia = 6.5; | 8 | SMA_dia = 7.1; | 
      
        | 9 | thickness = 10;         // | 9 | thickness = 10;         // | 
      
        | 10 | wall_thickness = 3; | 10 | wall_thickness = 3; | 
      
        | 11 | height = 55; | 11 | height = 55; | 
      
        | 12 |   | 12 |   | 
      
        | 13 | mount_hole = 3.7; | 13 | mount_hole = 3.7; | 
      
        | Line 48... | Line 48... | 
      
        | 48 |   | 48 |   | 
      
        | 49 |         translate ([ x_size/2, wall_thickness/2, (height - thickness)/3  + thickness - SMA_dia/2])     | 49 |         translate ([ x_size/2, wall_thickness/2, (height - thickness)/3  + thickness - SMA_dia/2])     | 
      
        | 50 |             rotate([90,0,0]) { | 50 |             rotate([90,0,0]) { | 
      
        | 51 |                 translate([ 0, -11, wall_thickness/2 + wall_thickness ])  | 51 |                 translate([ 0, -11, wall_thickness/2 + wall_thickness ])  | 
      
        | 52 |                     rotate([0,0,180]) | 52 |                     rotate([0,0,180]) | 
      
        | 53 |                         write("GPS",h=3,t=1,center=true); | 53 |                         write("GPS",h=5,t=2,space= 1.1, font = "Letters.dxf", center=true); | 
      
        | - |  | 54 |                 difference  () { | 
      
        | 54 |                 cylinder (h = 2*wall_thickness, r= SMA_dia/2, $fn=50); | 55 |                     cylinder (h = 2*wall_thickness, r= SMA_dia/2, $fn=50); | 
      
        | - |  | 56 |                         translate([ 0, -SMA_dia/2 , wall_thickness/2 + wall_thickness ])  | 
      
        | - |  | 57 |                             cube([SMA_dia, 1 , thickness ], center=true); | 
      
        | - |  | 58 |                 } | 
      
        | 55 |             } | 59 |             } | 
      
        | 56 |   | 60 |   | 
      
        | 57 |         translate ([ x_size/2, wall_thickness/2, 2*(height - thickness)/3  + thickness  + SMA_dia/2 ])     | 61 |         translate ([ x_size/2, wall_thickness/2, 2*(height - thickness)/3  + thickness  + SMA_dia/2 ])     | 
      
        | 58 |             rotate([90,0,0]){ | 62 |             rotate([90,0,0]){ | 
      
        | 59 |                 translate([ 0, -11, wall_thickness/2 + wall_thickness])  | 63 |                 translate([ 0, -11, wall_thickness/2 + wall_thickness])  | 
      
        | 60 |                     rotate([0,0,180]) | 64 |                     rotate([0,0,180]) | 
      
        | 61 |                         write("ANT",h=3,t=1,center=true); | 65 |                         write("ANT",h=5,t=2, space= 1.1, font = "Letters.dxf",center=true); | 
      
        | - |  | 66 |                 difference  () { | 
      
        | 62 |                 cylinder (h = 2*wall_thickness, r= SMA_dia/2, $fn=50); | 67 |                     cylinder (h = 2*wall_thickness, r= SMA_dia/2, $fn=50); | 
      
        | - |  | 68 |                         translate([ 0, -SMA_dia/2 , wall_thickness/2 + wall_thickness ])  | 
      
        | - |  | 69 |                             cube([SMA_dia, 1 , thickness ], center=true); | 
      
        | - |  | 70 |                 } | 
      
        | 63 |             } | 71 |             } | 
      
        | 64 |     } | 72 |     } | 
      
        | 65 | } | 73 | } | 
      
        | 66 |   | 74 |   | 
      
        | 67 |   | 75 |   |