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HVAC Lisp commands in metric

HVAC Lisp commands in metric

HVAC Lisp commands in metric

(OP)
Does anyone know of any good metric lisp routines for the following;

Flexible connections
Flexible ducting
Ductwork

I draft up my own designs and would like to speed up the drafting process where possible.

I need to have it all in metric if possible.

Thanks.

RE: HVAC Lisp commands in metric

(OP)
Oh, I should clarify that I only need this in 2D.

Thanks again

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