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Mad Cat MKII BattleMech

by rikkilambo, published

Mad Cat MKII BattleMech by rikkilambo Jan 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, no glue required except for the two machine guns
* 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

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 the design by farscape1 (http://www.thingiverse.com/farscape1) and original concept 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.

Recent Comments

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Heh, try my improved hip remix! :)

http://www.thingiverse.com/thi...

Heh, but all 6 toes are in one file. I virtually never print multiple plated objects; too many problems with a failure yielding no usable parts. I actually split that file so I had one file for a single toe, and printed 6 of them.

If you scale up that 6-toe plate large enough, it won't fit on the print bed. (dang, he must be printing a BIG one)

Yes, they rotate, and have enough friction to "hold a pose". :)

I either measured a printed one of the original, or loaded it into netfabb to measure it. Then, loading them both into Repitier simultaneously, verified they were the same size.

It was easy to install the first one, since I could hold it in place (preventing it from getting pressed in past the rotation groove) from the other side. Inserting the center into the second hip was a little trickier, since the outer pieces want to slant inwards somewhat, allowing them to get pushed in past the rotation groove. But with some persistence I was able to get the second one in.

The waist wound up being a bit loose, I think I scraped a bit too much out of the engine's square recess when I was cleaning out the support material. Since I didn't really want to glue it in, I just wound up wrapping some blue tape around the waist joint part so it jammed tightly into the engine; so far my son hasn't had it come apart on him.

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License

Give a Shout Out

If you print this Thing and display it in public proudly give attribution by printing and displaying this tag. Print Thing Tag

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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Comments

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Zuesacoatl on Mar 17, 2014 said:

Is there a way to get the toes separated into 3s. I am printing it at a much higher scale than the original, but I only have an 8" bed, and the sale factor i have boosted all the other parts pushes one set of toes off my print area. Any help would be so very much appreciated.

rikkilambo on Mar 19, 2014 said:

Each toe is already a separate piece. Can you explain further how you would like to split it?

TimeFramed on Feb 11, 2014 said:

After getting frustrated with the "tabs" on the hip and waist joints snapping off, I did a redesign. These will *not* break.
http://www.thingiverse.com/thi...

rikkilambo on Mar 19, 2014 said:

Incredibly smart design. Did you get the clearance just right so the joint actually rotates?

farscape1 on Dec 6, 2013 said:

@rikkilambo.....PLEASE give credit to the engineer / site where you found the original model . THIS is a modification of MY model that was originally posted on 3D Content Central AND Grabcad! (There is detail points you left in the model that only I know about)

rikkilambo on Dec 6, 2013 said:

farscape1 Thanks for the note, and awesome model. I have been trying to find you for the longest time. You absolutely deserve this credit.

flintols on Jun 20, 2013 said:

Just finished the initial print. Noticed the hip joints need improving if i want to keep them movable. Have you tried using as ball/socket approach? The canopy did print with a gap between the inside and outside layer. that shold print at higher infill. The Ankles broke the first time I installed them, so I printed at 100% infill, which solved that.Overall a beautiful project! Are you planning on doing more?

TimeFramed on Mar 22, 2014 said:

Heh, try my improved hip remix! :)

http://www.thingiverse.com/thi...

rikkilambo on Mar 19, 2014 said:

Yes, absolutely. I am working on a Cataphract. These things take forever to do and test fit, and I am beginning to think whether we should crowdsource the designs.

nlancaster on Jun 4, 2013 said:

Been trying to print the canopy and have failed 3 times times. Any chance of getting a Solid canopy with inset windows that could be painted?

rikkilambo on Jun 11, 2013 said:

Oh gee. How is the canopy failing? I am having a bit of trouble closing the canopy windows due to its complicated geometry. I'd like to see if anyone is willing to give that a shot.

BrickSimple on Apr 16, 2013 said:

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.

BrickSimple on Apr 18, 2013 said:

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

ComradeQuiche on Apr 5, 2013 said:

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

RidleytheRed on Mar 21, 2013 said:

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.

Albinodrow409 on Feb 12, 2013 said:

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.

rikkilambo on Feb 18, 2013 said:

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.

GeraldO on Jan 23, 2013 said:

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!

rikkilambo on Jan 24, 2013 said:

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

7777773 on Jan 23, 2013 said:

This is amazing. Thank you!

Cos on Jan 23, 2013 said:

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

rikkilambo on Jan 23, 2013 said:

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

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