This is a custom model designed for AmeraLabs by SK'Avius: https://www.patreon.com/skavius
This cannon was inspired by the historical war equipment from the beginning of XIX century.
We used this model to test various supporting techniques for resin printing and documented them in our blog: http://bit.ly/2ladDAZ
AmeraLabs AMD-3 LED Resin
Exposure: 6s for normal layers, 120s for bottom layers.