At Hatching Style ​. ​. ​.

OLSTYLE integer/line_pattern, OLCOLOUR integer/colour_name

Set different style and colour for drawing outline of selected faces.

OLSTYLE OFF

Selected faces are not outlined.

FSTYLE integer/hatch_pattern, FCOLOUR integer/colour_name

Set style and colour for hatching selected faces.

FSTYLE SOLidfilled

Selected faces are filled with solid colour.

FSTYLE OFF

Selected faces are not hatched.

PIPESYM TRUE

PIPESYM FALSE

Pipe end symbols (or HVAC duct end symbols) are drawn instead of hatching.

PIPESYM TRUE

PIPESYM FALSE

Pipe ends (or HVAC duct ends) are hatched.