And by distributing the video the day after attack showed "particular cruelty on your part" and callousness.
It was, in effect, a hate crime against the Muslim community, the judge said.
Arp's lawyer Anselm Williams this afternoon confirmed he has filed an appeal against the sentence at the High Court in Christchurch.
Judge O'Driscoll this morning said it was clear that Arps holds "strong and unrepentant views towards the Muslim community".
"Religion on a whole, Sir," Arps said from the dock.
A pre-sentence report showed he has no empathy or remorse other than for himself and his own family, the judge said.
Judge O'Driscoll said there were other matters in the pre-sentence report which gave him real concern and he didn't want to mention them all publicly as it might be seen by Arps as "a badge of honour" to him and others with similar beliefs.