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But if you wish to obtain the smooth corners – you can put the string into boiling water for a 1-2 seconds – corners will become smooth, but pay attention to general deformation it can be very surprizing! Actually we are looking how to make corners smoother without hot water.
We advise to use four segments at once, but you can cut bottles with three or even two.
Here you can see how to install the blade (put the sharp side inside):https://youtu.be/JMbT4DOi21U…
Because of flexible position of the blade – you can use it for very-very long time.
As it is fixed in optimal cutting position – deformation of the blade is minimal. But if the blade becomes blunt – you have just to move it one millimeter left or right – so it will use sharp part of the blade again.
Because of constant angle of cut and minimal point of contact four segments of standard 9mm blade can be used for months. We were very surprised cutting more than 100 of bottles with the same blade during our tests!
Actually we are planning shipment in june as it was indicated on product page (Delivery notice – Please pay attention – we will start delivery in June 2016). We have a large production queue after kickstarter campaign.
We will deliver your bottle cutter as soon as possible. Thank you for understanding and sorry for delays.
Gently heating do not modify the quality of plastic, just flatterns the bottle iregularity( for exemple you can making round bottle from any square bottle just by heating it, as all the bottles are made from round billet. Take a look on this nice video: https://youtu.be/ZfyPCujUPms… )
For common flat-surface bottles you don’t have to heat them, and you can cut them at any temperature (device was tested on bottle cooled to +5 celsius).
The bottle must remain closed during the heating so hot air inside “blows” bottle to its billet state, but pay attention, do not overheat it or approach the bottle close to heat source, in theory may cause damage to bottle or the bottle owner.
Brenda Goi has given a nice answer to this question:
Some people are saying “but it’s still plastic, it’s not good for the environment” blablabla Where do you want it to go exactly? It’s already been done. Plastic bottle EXISTS NOW and we can’t stop that completely so might as well think smart and accept it instead of just throwing it away. This is a good way to reuse plastic bottles besides making it into a flower pot or pencil holder. Do YOU have any bright ideas?
The idea of cutting the PET bottles to strings is very old, I have seen a man attaching his tent with hand cut bottle almost twenty years ago in 1997, since that date you can find many different ways to cut PET bottles. Now it’s absolutely impossible to define the first “inventor” of idea of cutting the bottles.
Just to be clear – we have never said that we invented idea of bottle strings, but we are offering device which can cut bottles AND can be carried in pocket.
Plastic bottle cutter allows you to work in easiest way without special table, reel, fixation, big pin of 30cms to fix the bottle and other troublesome parts.
If you have some patience – you could find some brasilian videos of various factory cutters which can cut 10 bottles per minute, some of them are are more than 10 years old. All of them are different.
But there is one nice, handy, made from natural materials, 100% recyclable, carried in a pocket with adjusted width of string – it’s plastic bottle cutter your one and only.
Plastic Bottle Cutter was designed by us, as unique, handy, simple and reliable device from sketches to final version. Here is the full evolution of our project from raw prototype to release version:
But it was possible to pledge it for USA on KickStarter?
Yes this was possible because at the moment of KickStarter campaign patent was expired, now its renewed.
If you wish to be informed about Plastic Bottle Cutter in USA, or you have any feedback concerning this case – please fill this webform: