What is the manner of dividing the meat, innards, and skin of sacrificial animals?

Sacrificing animals is a confirmed sunnah from our master the Prophet . He said:
On the Day of Slaughtering, the sons of Adam perform no action more beloved to Allah than sacrificing animals. On the Day of Judgement the sacrificed animal shall come with its horns, hair, and hooves [to be weighed]. The sacrifice is accepted by Allah before the blood reaches the ground, so sacrifice with an open and happy heart.

The person offering a voluntary sacrifice is permitted to eat from his sacrifice or take benefit from it – from its meat, innards, and skin – in part or in whole; he may give it as charity – in part or in whole – or as a gift – in part or in whole. However, it is impermissible to give the skin as a fee to the slaughterer, just as it is impermissible to sell it. It is best to divide the sacrifice into three parts: a third for the person offering the sacrifice and his family, a third to his relatives, and a third to the poor and needy.

Allah the Almighty and Majestic knows best.