designing (
http://definr.com/designing)
adj : concealing crafty designs for advancing your own interest;
"a selfish and designing nation obsessed with the dark
schemes of European intrigue"- W.Churchill; "a scheming
wife"; "a scheming gold digger" [syn:
scheming]
n : the act of working out the form of something (as by making a
sketch or outline or plan); "he contributed to the design
of a new instrument" [syn:
design]