Rev 4045 Rev 4051
Line 1... Line 1...
1 x_size = 20; // horizontal outer size of the aquarium pedestal. 1 x_size = 23; // horizontal outer size of the aquarium pedestal.
2 y_size = 20; // 2 y_size = 20; //
3 thickness = 10; // thickness of the pad bellow aquarium. hairs lenght is 12mm. 3 thickness = 10; // thickness of the pad bellow aquarium. hairs lenght is 12mm.
4 rim_height = 7; // height of upper rim for fixing the aquarium in position. 4 rim_height = 7; // height of upper rim for fixing the aquarium in position.
5   5  
6 mount_hole = 3.7; 6 mount_hole = 3.7;
7 clear = 0.175; 7 clear = 0.175;
8   -  
-   8 axis_offset = -1.5;
9   9  
10 // aquarium pad 10 // aquarium pad
11   11  
12 difference () { 12 difference () {
13 intersection() { 13 intersection() {
14 union(){ // bottom part with rim/fixing pin 14 union(){ // bottom part with rim/fixing pin
15 rotate([0,0,45]) 15 rotate([0,0,45])
-   16 translate ([ axis_offset, 0, 0])
16 cube([x_size, y_size ,thickness], center = true); 17 cube([x_size, y_size ,thickness], center = true);
17 translate ([sqrt(pow(x_size,2) + pow(x_size,2))/4, sqrt(pow(x_size,2) + pow(x_size,2))/4, thickness/2 + rim_height/2]) 18 translate ([sqrt(pow(x_size,2) + pow(x_size,2))/4, sqrt(pow(x_size,2) + pow(x_size,2))/4, thickness/2 + rim_height/2])
18 cube([sqrt(pow(x_size,2) + pow(x_size,2))/2, sqrt(pow(x_size,2) + pow(x_size,2))/2, rim_height], center = true); 19 cube([sqrt(pow(x_size,2) + pow(x_size,2))/2, sqrt(pow(x_size,2) + pow(x_size,2))/2, rim_height], center = true);
19   20  
20 }; 21 };
21   22  
22 rotate([0,0,45]) 23 rotate([0,0,45])
-   24 translate ([ axis_offset, 0, 0])
23 cube([x_size, y_size ,4*thickness], center = true); // cut out half of top tip 25 cube([x_size, y_size ,4*thickness], center = true); // cut out half of top tip
24 } 26 }
25 cylinder (h = thickness + rim_height, r= mount_hole, $fn=20); // hole for screw head 27 cylinder (h = thickness + rim_height, r= mount_hole, $fn=20); // hole for screw head
26 translate ([0, 0, -thickness]) // hole for the screw 28 translate ([0, 0, -thickness]) // hole for the screw
27 cylinder (h = thickness + rim_height, r= mount_hole/2, $fn=20); 29 cylinder (h = thickness + rim_height, r= mount_hole/2, $fn=20);
28 30
29 31
30 rotate([0,0,-45]) // hole for top part mounting nut 32 rotate([0,0,-45]) // hole for top part mounting nut
31 translate ([ 0, -x_size/3, thickness/3]) 33 translate ([ 0, -y_size/3, thickness/3])
32 cube([6, 3, thickness], center = true); 34 cube([6, 3, thickness], center = true);
33   35  
34 rotate([90,0,-45]) // hole for top part mounting screw. 36 rotate([90,0,-45]) // hole for top part mounting screw.
35 translate ([ 0, 1.8, 0]) 37 translate ([ 0, 1.8, 0])
36 cylinder (h = thickness + rim_height, r= mount_hole/2, $fn=20); 38 cylinder (h = thickness + rim_height, r= mount_hole/2, $fn=20);
37   39  
38 } 40 }
39   41  
40   42  
41   43  
42   -  
43 //translate ([0, 0, thickness]) // separate two parts 44 //translate ([0, 0, thickness]) // separate two parts
44   45  
45 /*rotate([180,0,0]) // hole for top part mounting nut 46 /*rotate([180,0,0]) // hole for top part mounting nut
46   47  
47   48