It's based on '3d print toolbox' by campbell barton.
View Blender 3D Printing Toolbox PNG. 3d printing from blender is going to get sooooo much easier with the new '3d printing toolbox' in 2.67. Blender addon with utilities for 3d printing.
3d Toolbox Intersect Faces On Cap Topper Basics Interface Blender Artists Community from blenderartists.org
If you're using blender for 3d printing, you will want to remember to install the 3d printing toolbox or you will get all kinds of errors about nonmanifold objects. 3d reconstruction, photo scanning & printing. There isn't much blender can't the first thing we'll need to do is enable the 3d printing toolbox.
It'll include all kinds of calculations and visualisations including my favorite:
December 10, 2018, 12:13pm #1. 3d models drawn in blender work great in a computer animated virtual world but don't always when brought into a slicer for 3d printing. The '3d printing toolbox' enables you to check your model before 3d printing. By default, the plugin is disabled but is included with the download of newer.