The file 'Voronoi Heart 3D Printer Model' is (stl) file type, size is 4.4MB.
Based on the beautiful design (http://www.thingiverse.com/thing:246864) by Roman Hegglin (http://www.thingiverse.com/roman_hegglin); modified to add supports for printing, and added letters inside the heart.
You can modify further (e.g. to change the letters) with Tinkercad: https://tinkercad.com/things/agFA9z9Gj6D
voronoi_heart_L+V.stl | 8.9MB |