Simple Replacement Pusher for Cuisinart Prep 7

I borrowed a Cuisinart food processor from a friend, whose mother had somehow managed to throw away the pusher. After intensive investigation (i.e. 30 seconds of Googling), I found that I could order a replacement from Amazon for about $12 USD. But where's the fun in that?

So, I spent $*mumblemumble* USD in materials, and probably $500 USD in time, in order to produce something which, objectively speaking, will almost certainly work less well and be less robust than an injection-molded OEM re