Anonymous ID: 159119 Aug. 11, 2018, 11:28 p.m. No.2565772   ๐Ÿ—„๏ธ.is ๐Ÿ”—kun

Thus pothagโ€ฆ figured out that each line is 3D and put the grid behind the line and then figured that if the angle was 90 then the grids added up and broke them down again.