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Bottle Opener and Cap GUN!

by 3Deddy Oct 15, 2019
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Hi, just wondering, where does the block go in the assembly? Also, would it be okay to scale it up in size a bit? My slicer program is saying it's too small to print.

Please look closely at the assembly instruction by scrolling down the main thing page. No its not possible to enlarge the block sorry. If would mean a redesign. But it's not that small... Every printer should be able to print this and that's not up to you slicer to decide. ;-)

What slicer do you use and maybe others can help you finding the right settings?

Success and have fun with it!

I just accidentaly prined the shell solid!

Oops.... try again!

Great idea and beautifully designed. Thank you for sharing it.
Unfortunately seems not to fit for german beer caps. I printed and assembled it but the cap does not fit trough the front of the barrel.
I may have some overextrusion, but not that much. What is the intended size of the front opening?


Really? I modeled based on the international standard for this caps. But there are always exotics. The German beer caps we have here the Netherlands all fit! Could you measure the cap? Hight and with? I'm happy to adjust the model for you... no problem.
Are you willing to test the new model I made for 32mm caps? I can upload the 2 body halfs here for you?

Comments deleted.

Oh wauw! Thank you so much for this feedback! Great great fun!
If it’s not to much trouble please post your make.

Briljant film!

I used 5 4x2mm magnets and glued them in because otherwise I would have to order one 12x2mm magnet and that is like 20 cents for the magnet and 8 euro for the shipping... DOH!!!

Great work around. Works just as well and nobody knows. Happy shooting! Oh and uncorking!

€ 1,27 | 10 pieces.


Free shipping.

Great design, thanks!! Got one question, what is the preferred diameter for the magnet?

Your right, that’s not mentioned in the BOQ! I’ll change that. It’s 2mm thick and 12mm round. But you can use smaller ones perfectly as long as they fit in the slot.

Good luck and can’t wait to see your make!

Thanks for sharing the project, it is wonderful, I am from Brazil and the coins have sizes outside the American or European standard, could pass the dimension (radius or diameter) and thickness to find something that can replace the coin or an old coin of Brazil that has these specifications?

Thank you very much


thank you for the compliments. I hope you will have lots of fun making and shooting. Cheers!

About your question. It's in the Post printing section. In the instructions... The 10 Euro cents is 20mm round and 2mm think. 1 dollar cent is about the same... If you found the Brazilian equivalent let me know!

Can't wait to see your make!

bonjour l’élastique ce fixe ou?


Can't read French but if you want to know how to fix the rubber band please read the assemble instructions... foto's included!

to make caps fly it needs something on one inside edge to put a spin on it as it goes out. thats how the old Italian game "Bottle cap" was done pitchers used side of finger to spin caps and had to ware bandage to keep finger from getting cut up. it was a type of poor boys ball game played in the streets long ago with the metal bottle caps an old broom stick and a couple make shift bases with at least 2 players on each team. if pitcher sent cap by batter and catcher caught cap without it being hit by bat (broomstick) its an out. once cap is hit batter ran to a base then next batter could hit a cap and man on base could run back to home base. etc. My old boss played this with our maintenance dept after we saved a bucket of caps up. we switched to plastic caps when they came out to save on finger cuts lol. took practice pitching.

Wow. haven't heard someone bring up bottle caps in a while. When I was a kid the guys at the corner bar would play bottlecaps in the alley.

Wow... what a story. So nice to know that there is even history involved in cap shooting! If I ever got caught in a competition I will drastically update this design. For now it easily reaches the maximum distance I have, that's across the living room! ;-)