Tên Thẻ (Name Tag) - In 3D

else use openSCAD v2023 with ub.scad library and activate “textmetrics” feature

(to be able to rate this model you need to download any file first)

use <ub.scad>; 
//https://openscad.org/libraries.html

$fs=.5;
$fa=1;
text="Jack";
font="ArialBlack";
size=35;
spacing= - size*+0.10;
// thickness
hMinMax=[2,5];

//random height seed
seed=42; // rands(0,9999,1)[0]; 
h=rands(hMinMax[0],hMinMax[1],len(text),seed); // [5,2] will alternate the height 5,2,5,2… mm

//%T(0,-20)text(text,.72*pt(size),font,spacing=+0.7);

TextExtrude(text,font,size,spacing,h);


// DEMO
if ($preview)T(0,10) for(i=[0:10]){
randStr= 
function (len=5,seed=42) 
len>0?
str (
  chr( rands(65,65+25,1,seed+len)[0] ),
  randStr(len-1,seed=seed) 
)
:
"" ;
T(0,i*pt(size))TextExtrude(randStr(round(rands(4,10,1,i)[0]), i) ,font,size,spacing,rands(size/10,size/4,len(text),i));
}




module TextExtrude(
text="TESTABC",
font="ArialBlack",
size=35,
spacing=size*-0.10,
h=[size/10,size/2],
){
 rSize=.72*pt(size);
// you need textmetrics enabled


halign="left";
charWidth=[for(i=[0:len(text)-1])textmetrics(text[i],size,font,halign=halign).size.x];
charOffset=[for(i=[0:len(text)-1])textmetrics(text[i],size,font,halign=halign).offset.x];
charPos=[for(i=[0:len(text)-1])textmetrics(text[i],size,font,halign=halign).position.x];
charAdv=[0,for(i=[0:len(text)-2])textmetrics(text[i],size,font,halign=halign).advance.x];

//echo (textmetrics("A",size,font,"center").advance);


for(i=[0:len(text)-1]) translate([

    vSum(charWidth,end:i)*0
    +vSum(charOffset,end:i)
    +vSum(charPos,end:i)
    +vSum(charAdv,end:i)
    +i*spacing
,0])
Color(i/len(text),rands(0,1,1)[0])
linear_extrude(h[i%len(h)]) text(text[i],rSize,font,halign=halign);
}