corners_start=[(x0+offset,y0+offset,z0),(x0+offset,y1-offset,z0),(x1-offset,y0+offset,z0),(x0+offset,y0+offset,z0)]# temporary workaround to fix holes in the stl boundary
corners_end=[(x0+offset,y1-offset,z0),(x1-offset,y1-offset,z0),(x1-offset,y1-offset,z0),(x1-offset,y0+offset,z0)]# temporary workaround to fix holes in the stl boundary
corners_top_start=[(x0+offset,y0+offset,z_max),(x0+offset,y1-offset,z_max),(x1-offset,y0+offset,z_max),(x0+offset,y0+offset,z_max)]# temporary workaround to fix holes in the stl boundary
corners_top_end=[(x0+offset,y1-offset,z_max),(x1-offset,y1-offset,z_max),(x1-offset,y1-offset,z_max),(x1-offset,y0+offset,z_max)]# temporary workaround to fix holes in the stl boundary