Mad Cat MKII BattleMech

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Published on January 23, 2013

Description

The Mad Cat MK II is a badass robot with a boatload of guns and missiles. Now you don't need a giant garage to keep it because you can 3D print this cute 8" version at home.

Features:
- modular snap-fit design, mostly no glue required*
- articulated torso, hips, knees, toes, main guns, and missile pods
- slide-out canopy contains a secret compartment to hide keys, jewelry, and USB memory sticks
- ultra-realistic detail
- mech stands 8" tall

* the two machine guns actually need some glue to hold

Background Information:
The Mad Cat MK II is a 90-ton assault BattleMech. It uses its speed and firepower to engage an enemy at the range of its choosing. The default configuration of the Mad Cat MK II features hard-hitting ballistics and a well-blended mix of energy and missile weaponry. The Mad Cat MK II's primary weapons are a pair of Gauss Rifles, each of which can strip off a ton of armor at six hundred and thirty meters. The rifles are supported by two LRM-10s which give the Mech indirect fire capability. For short range combat, four ER Medium Lasers can chew up what's left of the opposition. The Mech's primary role is long to medium range combat, with best performance within 450 meters where all of its weapons can reach the opponent.

Credits:
This model is based on an original design from the MechWarrior franchise, and is engineered for additive manufacturing by Riki Lam. MechWarrior is a profession in the fictional universe of BattleTech, a wargaming and science fiction franchise created by FASA Corporation and currently owned by Topps. MechWarriors are individuals who pilot BattleMechs, large robotic war machines that are central to the BattleTech series.

Instructions

Easy parts can be printed with the given orientation. Harder parts require you to fine tune the orientation depending on your printer. Because 3D prints are weak along their seams, the most apparent orientation may not always be the best orientation. Post below if things aren't working out for you.

-=Difficulty: Easy=-

- Cockpit: print as given
- Instruments: print as given
- Seat: print as given
- Waist-Joint-Down: print as given
- Foot-L, Foot-R: print as given
- Ankle-L, Ankle-R: print as given
- Arm-L, Arm-R: print as given

-=Difficulty: Medium=-

- Engine: print sideways
- Gun-L, Gun-R: print upside down
- Number: print sideways
- Pod-Insert-L, Pod-Insert-L: print sideways
- Waist-Joint-Up: print sideways
- Missiles: print vertical

-=Difficulty: Hard=-

- MG-L.stl, MG-R.stl: print with flat part on the ground plane
- Hip-L.stl, Hip-R.stl: print as given, if possible

-=Difficulty: Very Hard=-

- Canopy: print as given, if possible
- Torso-Top: print upside down
- Torso-Bottom: print vertical (thank you BrickSimple)
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We're currently printing one of these at 125%. Looking forward to posting the pictures of it assembled. I went with different orientations to address weaknesses when printing it. I also highly recommend printing the Torso-Bottom rotated 90 degrees (vertical). It's a demanding z-axis part and the quality difference is night/day.

Thanks for the shout out on the torso orientation! :)

My classmate had the toy of this in 3rd grade. Man was I jealous. Not anymore!

I've noticed whenever I open the stl's in makerware, it wants to convert the scale from inches to mm. It would also be helpful if there was a diagram for how to put it all together. I tried putting the waist_up/waist_down into the engine because I thought that was where it went but it wouldn't fit at all.

I'm getting a bunch of error messages for both the GunL and Gun R when I try to generate the GCode. Any idea what would be wrong? I can post the errors later if needed.

Try printing Gun L and Gun R upside down. The cutout where ammo casings are expelled could be a reason of the problem. Please update me with the errors you are seeing.

This looks great but is there a possibility of separating out the parts so that they can be printed separately for cool colour combinations?

I know it's possible to download the STL and split it up ourselves but I'm sure that I'm not the only one thinking of this!

Thanks for the suggestion. All parts, except for the toes and the missiles, are now in individual STLs.

This is amazing. Thank you!

Print with or without support?
Slice with Slic3r or else?

Try skeinforge. It is powerful and it gives you the option to print with support.