Referenece Images

It is always good to have more reference images when you are building a prop.  Here are some I stumbled on from RPF, post up by Dano.

Source: http://www.therpf.com/f9/doctor-who-k-9-tin-dog-build-119847/index2.html

Notice the bumpers have been changed by Matt Irvine to square ones.

Matt Irvine has replaced the screws in the head with rivets.