Planetary Macro Cannon

A big Planetary Macro Cannon for your wargame terrain.

It's a part of the Gothic Sector : Fortress campaign you can find here : 

The Macro Cannon can be animated with an Arduino UNO R3 and Servo Motor, powered by a 9V Battery. A PDF guide with list of part and code is provided.

Every parts can be printed on FDM printer (18x18 cm or higher) and SLA printer (IMPORTANT NOTE : for SLA printer, you will need at least a medium size printer (9inch screen))
For FDM printer : no support needed, it's print-in-place
For SLA printer : Pre-supported version provided.

FDM printer recommanded parameters :
Nozzle : 0,4mm
Layer : 0,2mm
Infill : 5%
Infill pattern : Adaptive Cubic
Brim type : Outer Brim Only