Draftsight is a cad program that is compatible to autocad in linux but is only available in 32-bit but we can make it run in 64 bit by following these commands.
Dependency to be satisfied first:
Dependency to be satisfied first:
now open terminal become root
dpkg -i --force-architecture DraftSight.deb
it will install draftsight
after installation it will be available in Applications--->Graphics menu
and should be activated within 30 days.It is free though :) .
Thanks to: http://courira.ca/en/2011/03/draftsight-for-linux-how-to-install-on-ubuntu-64-bit
Also look out for Brics-cad pro and Ares commander edition both offer cad for linux
in both 32-bit architecture full version is available for a price though.