But he denied that he had intended to hurt anyone with the nail bombs, arguing in court that he had only assembled them to give himself something to do.
When asked why he made the devices, he said: "I'd had a couple of cans. I was just sat around bored."
The jury, however, decided that he had more sinister purposes in mind.
After the raid on Wednesday 31 October 2007, Gilleard fled to the home of his half-brother in Dundee, Tayside. Police caught up with him after a three-day manhunt.
He said Nazism appealed because of the way the Nazis "rebuilt" Germany
Detectives who interviewed his work colleagues were told that he had expressed racist views to them. The police also recovered a high-visibility jacket belonging to Gilleard that had been daubed with a hand-drawn swastika.
Born on 15 July 1976 in York, Martyn Paul Gilleard had a complicated upbringing. At the time of his birth his mother had two older children by her ex-husband. He became the adopted son of his mother's new partner after she remarried in 1978.
He left school at 16 with GCSEs in history, English language and literature, but failed to complete a course at Northallerton College. In 2000 he began working for Howarth Timber in Breighton, East Yorkshire, as a forklift truck driver.
In 2002 - the same year he was fined £25 for possession of an offensive weapon - his partner gave birth to a son, but the couple split in 2006.
A prison cell, not the racial conflict of which he dreamed, now awaits him.