Arrow in a Bottle Puzzle
Choosing a tree for an arrow.
There are special requirements for a tree. I took a piece of pine from the old bed. Before you cut the arrow you need to pay attention to where the layers of the tree go. Arrow in length should be cut parallel to these layers. Otherwise, in the future, the wooden arrow will be pressed unevenly or even exfoliate. See the photo.
Drawing of the arrow.
Print in the scale you need. Take the wood and attach the printout to the bar and glue some water-soluble terminals. Better with starch.
We saw out on a belt machine or with the help of others,the tools you have.
Our arrow turned out.
Remove all burrs and drawing paper.
It is desirable to make several such arrows, because squeezing an arrow can not always happen the first time. So we are insured in advance. style="text-align: center;">
Time to boil our arrows.
Take the arrows, fix them in the fixture. And we boil for 45 minutes. After that, the wood will become soft and will be pressed well.
We clamp in the cages and quietly begin to squeeze the arrowhead.Here is the first failure: the arrow is cracked. We make another attempt until the arrow is compressed to the minimum possible size. Measure the distance between the cups vise and remember. Leave the boom in this condition for 72 hours to dry. You can try it in 24 hours, but if the boom starts to recover after decompression, clamps it back and lets it dry further.
Prepare a bottle.
Take acetone or another solvent and remove the label at the neck. Remove the label you decide. I decided not to remove it. Preparing the bottle for drilling.
Before we start drilling the bottle, we need to make a fixture,in which the bottle will firmly hold and not vibrate. Otherwise, it may crack when drilling. I made tools from unwanted pieces of wood. Simply, I think, I don’t need an explanation, see the photo. Also, we need a container, because we will carry out all manipulations with glass in water. Here is a form I made friends on a 3D printer. Of course, it's not the best use of a 3D printer, but still. Before you start drilling the bottle, it's time to remember the safety precautions. Be careful when working with glass. Use mandatory safety glasses and gloves.
Getting Started. Install the bottle in the fixture. We mark the place of drilling on both sides with a permanent marker. Pour cold water into a mold. style="max-width: 100%;" alt="Puzzle Arrow in the Bottle">
Drill a diamond head, carefully, at a speed of about 1000 rpm. Drilled on one side - turn over the other and drill.
Next, without removing the bottle from the water with a diamond file, we cut a rectangular hole under our boom from under the press. On both sides. After completing all the manipulations, drain the water and rinse the bottle again, removing all the glass crumbs. Especially from the inside of the bottle.
Insert our arrow into the sawn holes. Place the compressed end of the arrow in boiling water. Minutes to 10. This should be enough, since the arrow will quickly take on its original state.
Everything,take out and let dry.
Now you can show off to friends and acquaintances. There is another option to make a puzzle with two arrows. To do this, you need to do an intermediate version with boiling the first boom in the bottle. And so everything is simple. Truth is the difficulty of cutting a hole in the arrow and a high probability that the arrow will crack when pressed. But the result will be simply amazing. For this you can get stuck and work hard for more.
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