Dimension arcs

Routine to change color and linetype of any object

Irrigation

Autolisp routine – calculates the area –

Z=0

spirals three dimensions

Lisp routine – coordinate grids

Lisp for surveying is activated with the rxy command

lisp routine – 3d grid window

butterfly curve

Lisp split words

import coordinates

Calculate dimensions

Lisp for hip roof in fps system

Calculate slope

Draw with a single command: mr

Roofs – roofs 2 d

autolisp routine – autocad

Lisp drawn and labeled

Router to obtain topographic points

detail chateau deau in beton armee