Recreate mesh of Instruments

anim.sh

#!/bin/bash -x 

for j in `seq 0 144`;do
    i=`printf "%04d" $j`
    r=`expr 5 \* $j`
    openscad -o logo_anim-$i.png app_icon_model.scad --preview --camera=0,0,0,90,0,$r,415 --colorscheme="Tomorrow Night" --projection=o
done

app_icon_model.scad

size = 100;

// https://openscadsnippetpad.blogspot.com/2017/06/figure-eight-path.html

function figure8(m=size)=[for(t=[0:1:360])
let(scale = 2 / (3 - cos(2*t)),x =m* scale * cos(t),y =m* scale * sin(2*t) / 2)
[x,y]];

function close(p)= concat(p,[p[0]]);

module polyline(p) {for(i=[0:max(0,len(p)-2)])line(p[i],p[i+1]);}
module line(p1, p2, width=(size/7)/2.0)
{
    hull() {
        translate(p1) sphere(width);
        translate(p2) sphere(width);
    }
}

module one_symbol() {
       polyline(close(figure8(size/2)));
}

module assembly2 () {
    x_off = 16.5;
    z_off = 23;

    translate([-x_off,0,0])
        //rotate([45/2 , 90 + 30, 45/2])
        rotate([0 , 90 + 30, 0])
        rotate([0 , 0, -15])
        one_symbol();

    translate([x_off,0,0])
        rotate([0, -(90 + 30), 0])
        rotate([0 , 0, -15])
        one_symbol();

    translate([0,0,-z_off])
        rotate([0 , 0, -15])
        rotate([0 , 0, 0])
        one_symbol();
}

show_assembly = true;

// $preview requires version 2019.05
fn = $preview ? 30 : 100;

if (show_assembly) {
    scale ([1.0,1.0,1.0])
        translate([0,0,0])
        rotate([0,0,0])
        assembly2();
} else {
    scale ([1.0,1.0,1.0])
        translate([0,0,0])
        rotate([0,0,0])
        one_symbol();
}

convert_to_gif.sh

#!/bin/bash -x

convert 'logo_anim-*.png' -set delay 1x24 animated.gif

convert_to_mp4.sh

#!/bin/bash -x

ffmpeg -f image2 -i logo_anim-%04d.png -vcodec libx264 -b 1M -pix_fmt yuv420p -y -r 12 logo_anim.mp4

z_animated.gif

z_static.png