Not too many pictures for the actual spraying but it is important to apply a decent, suitable undercoat. I have previously read about etch priming aluminium so thought it prudent to research what base coat should be applied. I chose the correct and recommended hammerite undercoat for aluminium, it went on fine:
Its fairly cold outside at the moment and the recommended minimum temperature is 5 deg, borderline achievable. To aid the process I kept the frame warm in the house whilst warming the garage up using a heater. Its a fine balance between warmth and obviously fumes; even with a mask I didn't want to spent too much time in the garage whilst spraying even with the doors open.
I knew it was going to take a long time for each coat to dry so I knocked up a couple of stands out of some offcut tile edging I had laying around. Worked well and it meant I could transfer the piece into the dining room whilst drying:
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