Saatbomben

Die Datei cylinder_form.scad:

/*
CC0 BY (Public Domain)
by bernhard (3d.bit-field.de) is licensed under the Creative Commons - Attribution license.
*/



durchmesser = 35;
wand = 4;
hoehe = 30;

ring_h = 3;
ring_w = durchmesser + 5;

$fn = $preview?24:96;

eps = 0.1;

difference()
{
    union()
    {
        cylinder(d=durchmesser, h= hoehe);
        cylinder(d = ring_w, h=ring_h);
    }
    cylinder(d = durchmesser - 2*wand, h=hoehe + eps);
}

Die Datei heart_form.scad:

// $Revision: 1024 $  
// $Id: heart_form.scad 1024 2026-01-01 13:28:38Z bernhard $ 
// $Author: bernhard $ 
// $Date: 2026-01-01 14:28:38 +0100 (Do, 01. Jan 2026) $
// $LastChangedDate: 2026-01-01 14:28:38 +0100 (Do, 01. Jan 2026) $


/*
CC0 BY (Public Domain)
2025 by bernhard (3d.bit-field.de) is licensed under the Creative Commons - Attribution license.
*/

use <BOSL2/std.scad>
//use <BOSL2/rounding.scad>

$fn = $preview ? 32 : 96 ;

// 
eps = 0.1;

// Seitenlänge Quadrat (Herz unten und HalbkreisDurchmesser)
s = 26; 

// Höhe
hh = 30;            
// Höhe Rand 
hh_rand = 4;            
// Wandstärke
wall     = 4;                   


module heart_2d()
{
  square(s);
  translate([s,s/2]) circle(d=s);
  translate([s/2,s]) circle(d=s);
}

module heart_2d_line_back(wall=wall, hh=hh)
{
  linear_extrude(height=hh) {
    difference()
    {
      offset(wall) heart_2d();
      heart_2d();
    }
  }
}


module heart_2d_line(wall=wall, hh=hh)
{
    difference()
    {
      linear_extrude(height=hh) 
        offset(1.5*wall) heart_2d();
      down(1) linear_extrude(height=hh + 1 + 2*eps) 
        heart_2d();
    }

}




module cutter()
{
  rotate([0,0,45]) 
  {
    difference()
    {
      convex_offset_extrude(height=hh_rand, top=os_circle(r=1), bottom=os_circle(r=1) )
        offset(2*wall) heart_2d();
      down(1) linear_extrude(height=hh + 1 + 2*eps) 
        heart_2d();
    }
    heart_2d_line(wall=wall/2);
  }
}


cutter();

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Titelbildquelle: eigenes Bild

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