mareg,i haven't done a lab,but i did do two bichon dogs for a grooms cake topper. they were about 5 inches high. they were not all gumpaste though,i molded the body from RKT's,then covered with modeling choc and then added fondant where needed.the couple really liked them,and said they looked like little porcelain figurines. i didn't post them,because i didn't think they would allow me to,since the base or inside was made from rkt's.
Heres a site I found with lots of examples of dogs in fondant (think theres a lab there too)
http://bigfatcook.com/tipsntricks/fondantmagic/fondant-animals-dog/
Also...I know Ive seen several tutorials on youtube about making dogs, hope this helps cuz Im planning on going there if I ever get a request for one!
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