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Bottle Opener (without metal)

by leemes, published

Bottle Opener (without metal) by leemes Aug 13, 2013
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19730Views 5885Downloads Found in Kitchen & Dining

Summary

This design is a prototype of a purely printed bottle opener design, which means you don't need to add a coin or other metal parts for stability. It's designed to require minimum force and has maximum stability at the critical point (where the cap is lifted).

My printed prototype withstood about 15 bottles of my favorite German beer until it broke. So the current version can only be seen as an "emergency" bottle opener but nothing which lasts long.

An optimization to this as well as an alternative design (also without metal) is under development.

Please read print instructions for good results!

The model is designed in Blender with bezier spline curves, the Blender source file is also available for download.

Instructions

Print this with some extra shells, solid top and bottom layers as well as with not too low infill to reach a good stability. I used 0.3mm layer height, 3 shells and 5 full layers at top and bottom as well as 30% infill. I filed the surface after printing, which removes ~1 layer.

I used ABS, but PLA might be even better (but I don't have any experience with PLA).

You might want to file a bit off from the (in the picture) left part if you can't open a bottle with it. It's designed to perfectly fit the bottle cap, but if it is too tight it might not pass the glass once the cap is lifted a bit (see second picture).

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Tip Designer Report Thing

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19730Views 5885Downloads Found in Kitchen & Dining

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Printed a couple out of polycarbonate and asked a friend who works as a waiter to test them. They are indestructible. Congratulations on the simple and great design!

I used this as a test print and I still dont have one because everyone in the office keeps taking them. Great design!

I've made a couple of these and must say they work better than the coin versions.

Hey!

Thank you for this bottle opener! i have used this as my test print, because it is small and you can never have too many bottle openers. I have probably printed 20-30 of them in all kinds of materials and they all work perfectly. Cheers

Love this bottle opener. My first print and I love it

am i allowed to sell printed openers? :)

Yes, the license (CC BY-SA 3.0)http://creativecommons.org/lic... allows this. If I understand the license correctly, if you make a derivative you have to make it public under the same license and give me credit (i.e. mark as remix in thingiverse).

I am going to try larger and see if it will work on the lids on 5gal plastic buckets i store filament in. Nice opener

I printed one of these in PLA at about 60% infill. It's opened quite a few bottles without any signs of wear. Definitely recommend it!

Thanks for your feedback! Yeah, I guess I'll soon print another one with almost full infill to check if this helps. I don't have PLA available but I guess PLA is better than ABS for things like this.

Just printed one with 100% infill, and it works pretty well :)

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