MACRO DRAW CASTELLETED BEAM

This macro, beams IPE HEA HEB HEM HLS ILS IPE

Cellular steel beams with circular openings

Castellated beams with hexagonal openings

 Castellated beams with octogonal openings

AND MACRO PROSTEEL END PROSTRUCTURES DRAW PARAMETRIC CASTELLED BEAM WITH SINUSOIDAL OPENINGS ANGELINA ACELOR MITTAL

see video https://sites.google.com/site/mclisp/alveolari