This is a remix of the Origin-Zero Mecha created by @Kit Crafters.

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It's the Dreadnought Siege-Integrator*! 

This Mech includes 

• a new version of fixed joints 
• Compatibility with several mechs (links below) made by @Kit Crafters 

The following mechs are compatible with the DSI*: 

• Mortar (head+artillery as the left hand for the DSI*): makerworld.com/en/models/741739-mortar-mech-model-kit#profileId-759647 
• Sentry (the Head as the Head for the DSI*, the rest of the body as the right Hand of the DSI*): makerworld.com/en/models/991501-sentry-mech-model-kit#profileId-967101 
• Wall Walker (all the downer body including legs as the right foot for the DSI*): makerworld.com/en/models/890508-wall-walker-mech-model-kit#profileId-846877 
• Flamethrower (same as for the Wall Walker, but as the left foot): makerworld.com/en/models/1279191-flamethrower-mech-dual-model-kit#profileId-1306797 
• Rocket Launcher (artilleries as a rocket weapon for the DSI*): makerworld.com/en/models/711290-rocket-launcher-tank-model-kit#profileId-641712 

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Since the beginning, when I first saw @Kit Crafters Models, I have really enjoyed their structure, function, and uniqueness.