The Ultimate Cannon (full working Stone Thrower) - Free 3D Print Model

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H2Jack Concepts

Toys & Games>Other Toys & Games

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Print Profile(7)

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A1 mini

P1S

P1P

X1 Carbon

X1E

H2D

H2D Pro

H2S

P2S

H2C

X2D

A2L

(optional) Bunch of big Stones - 0.4mm nozzle

Designer

1.2 h

1 plate

4.7(6)

Big Version, 0.4 mm nozzle (all printer)

Designer

4.2 h

1 plate

4.2(38)

Small "cute" Version, 0.2 mm nozzle

Designer

3.4 h

1 plate

4.0(30)

Big Cannon only, 0.4mm nozzle / AMS (3 Colors)

Designer

5.6 h

1 plate

4.0(1)

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Open in Bambu Studio

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Description

The Ultimate Cannon

This project was inspired by other historical 3d-models of cannon's which were nice to look at but has no real functions.
I changed that and it took a lot of effort to play around with filament and modelling to create an own full working version of a shooting trigger.

Load the cannon with your finger and put a rock (two of them will be also automatically printed for you) into it. Pressing the trigger will release the tension and the rock will be catapulted out. and.. BOOM ;)

Initially there are 2 Versions for diff. Nozzel Types (0.4 mm and 0.2 mm) which will print the model in different sizes:

-→ The Big one (0,4 er Nozzle) will shoot ca. 5 meter
-→ The cute Version (0,2 er Nozzle) has a range of 3 meter (this is my favorite one)

Both versions will be printable on one pate < 4h, no glue is necessary and the wheels are easy attachable to the cannon via a splint.

IMPORTANT HINT: Please use the "BASIC" PLA Filament from BambuLab, the range is much better than using the "MATT" version, experiments with filament of other companies was also successful.. but I will definitely recommend the Basic Bambulab.
==> Please write in the comments which type of filament works best for you.. thank you

–- also look at my other print releases --
Robot Hand
https://makerworld.com/de/models/1079951

"Feel free to leave a comment. Feedback, suggestions, and even pictures are also very welcome.”

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Enjoy and happy printing ;)

Comment & Rating (115)

@cosmicramen

Boosted

Print Profile

Small "cute" Version, 0.2 mm nozzle

Cute/neat concept, but the cannon fires itself and intermittently jams. I used Basic PLA from BambuLab to print this model. Upon pushing the piston back, it didn't return when the button was pressed, like it was stuck on something. After pressing the piston in further a few times, it dislodged and now has trouble snapping (and staying snapped) into place to hold the cannon when pushed in. If I don't press the button within a couple of seconds, assuming it isn't jammed, it now shoots on its own.

(Edited)

The profile uploader has replied

@micmey78

hmm, sounds for me if there was something broken from the trigger mechanism inside the cannon. not easy to fix, if you try to reprint use the "slow" setting for cleaner results. would be interesting if other have the same problems. my small versions still work after lots of shoots..

(Edited)

@cosmicramen

Boosted

Thank you for the response! I will give it another print and see if it works. :) PS- I updated my comment, as I accidentally rated 3 stars instead of 4. Also, I was limited by word count in the initial rating, but this is an amazing concept!

@cosmicramen

Boosted

@micmey78 hey, sorry but can you clarify what the slow setting is? I've looked through Bambu studio settings and tried googling but wasn't sure. (I'm pretty new to 3d printing still) I noticed the piston seems to be stuck on the plate after printing, so it may just be that more caution is needed during removal..? I did try a 2nd time and had the same issue.

(Edited)

@user_4126576588

Print Profile

Big Version, 0.4 mm nozzle (all printer)

Great print. Shoots really far :)

Show original

@user_1030210053

Boosted

Print Profile

Small "cute" Version, 0.2 mm nozzle

the print turned out great and the rocks really fly. a bit finicky to get it to prime sometimes though. 4.5/5.

@user_2858158815

this is the second time

@JJM68

Boosted

Print Profile

Small "cute" Version, 0.2 mm nozzle

Perfect, functioning print. Excellent design!

@user_177478958

Boosted

Print Profile

Big Version, 0.4 mm nozzle (all printer)

EZ Print, easy assembly. So much fun. Great family fun. Set up a few red solo cups to either knock over or try to land in. It looks great too! Thanks for a lot of fun.

@user_34639325

Print Profile

(optional) Bunch of big Stones - 0.4mm nozzle

Strength Issue:It's a bit fragile and the inner parts might fall out

Show original

@CapitalChap

Unfortunately, it didn't work even after two prints. Either it doesn't lock or the shot doesn't release. It unfortunately didn't work a single time for me. The model otherwise looks very high-quality and cool

The designer has replied

Show original

@micmey78

did you use my print profile, there are some special settings which are important to use? (which printer and filament are you using?)

@CapitalChap

Replying to @micmey78 :

@micmey78 I used your large 0.4 profile and I used a P1S printer with a BambuLab Basic filament. Model looks great, but either it wont stay in if I press it in or it wont release once I have finally gotten it in. Tried twice and failed. One reason might be that the model has a lot of wriggle room in this guiding part where the moving part slides back and forth in this little triangle shape space. Would be great to improve this since the model itself is great an my 7-year old couldn't wait to try it.

@micmey78

Replying to @CapitalChap :

ok it was the big one.. I will reprint and try to figure out what I can do to improve..

@user_1829089802

Print Profile

Big Version, 0.4 mm nozzle (all printer)

@nadaadsforme

I just printed the model and must say it is very nicely done. Except… the trigger just doesn’t work properly. The piston will not catch on the sear, period. If I hold the trigger in and make it become the sear, it shoots when releasing the trigger and works well with 1.5” fuzzy cat toy balls. They love it. I heated the trigger and bent it out so I could see the cocking mechanism. It appears that the sear is a two piece design, with one half in the barrel and the other half on the piston. The trigger actually pushes them apart, right? So, I think that if you would extend the sear surface in the barrel, by maybe 1mm it might actually work. There just isn’t enough engagement. The angles can be quite steep for a firm hold, since we aren’t worried about ‘trigger pull’. I’m 78, an amateur gunsmith in past years and really like your design. But, I don’t have the cad skills to play with changing the design myself. If you could modify the sear surfaces I would try printing another one.

@nadaadsforme

There wasn’t room to say, I printed the big version. I haven’t tried the cute version.

@nadaadsforme

Replying to @nadaadsforme :

I managed to fix my big version. I bent the trigger out and reshaped the barrel sear with a heated screwdriver. The plunger sear had a taper so that was cleaned up and both made more aggressive. It works great now.

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You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.

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