About Micro 3D engine for ATMEL and STM32 Function Plot(Sx0, Sy0, Sz0 : Real; Dx0, Dy0, Dz0 : Real) : Byte; Draw a 3D line between 2 3D coordinates When this function has calculated the cordinates for you they are all in an array called points[] The function Plot answers with amount of cordinates you got. Procedure ClearPrimitive; Procedure Globe; Procedure Cube;