3D object schetch

--bg: #f3eee4;
--hatch(d, s): smoothstep(
  .06, -.06, abs(fract(90dot(p, d)) - .3) - min(s - light, .4)
);

@grid: 1 / 800px 600px / @p(--bg);

@content: @scene(
  view: 28 16;
  light: -1 .95 .7;
  shadow: 1;
  ambient: .12 .4;
  perspective: none;

  ink: min(1, 
    $hatch(vec3(.8, 2, .45), .88) + 
    $hatch(vec3(1, -.7, 1), .66) + 
    $hatch(vec3(.15, 1, -.9), .5)
  );

  fill: mix(@p(--bg), #f60, ink);

  /* Objects */
  box { size: 1.6 .04 1; move: 0 -.12 0 }
  lathe { vase; points: 80; scale: .28; move: -.32 .18 -.1 }
  sphere { r: .15; move: .1 .05 .12 }
  box { size: .26; round: .01; rotate: y 30; move: .45 .03 -.12 }
);