The picture above was made with this demo POV file and this Lego object POV file . This lego block has a complete underside, which is useful. ... The lego block has one corner at the origin, and rises up in Y, four lego units in positive X, and 2 lego units in the postive Z direction (as shown by the blue block in the above image). A lego unit is 5/16 of an inch in the real world, and 5/16 POV units here. The height of the block is 1.2 lego units, or 3/8 POV units. ...