Fix typos
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README.txt
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README.txt
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@ -7,7 +7,7 @@ cutting out boxes or other structures from plywood using a laser cutter.
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While there are a couple of other box generators they are all very
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While there are a couple of other box generators they are all very
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limited in what they can do. This library aims for supporting
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limited in what they can do. This library aims for supporting
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complicated shapes while offering easy way to do simple things. To
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complicated shapes while offering easy way to do simple things. To
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achieve this there are several levels of abstactions.
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achieve this there are several levels of abstactions.
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Basic Concepts
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Basic Concepts
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==============
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==============
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@ -24,23 +24,23 @@ Building blocks and coordinates
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To avoid too much coordinate calculations the coordinate system is
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To avoid too much coordinate calculations the coordinate system is
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continuously moved to the current point. The most basic functions just
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continuously moved to the current point. The most basic functions just
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do drawings relative to the current coordinate system - withou
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do drawings relative to the current coordinate system - without
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changing the coordinate system. Those are found in the Builing block section.
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changing the coordinate system. Those are found in the Builing Blocks section.
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Turtle graphics commands
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Turtle graphics commands
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------------------------
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------------------------
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These start at the current positions and move the coordinate system to
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These start at the current positions and move the coordinate system to
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their end. It is assumed that you are always drawing into the
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their end. It is assumed that you are (roughly) drawing into the
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direction of the x axis, with the inside of the part being above the
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direction of the x axis, with the inside of the part being above the
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line. You need to turn counter clockwise (mathematically positive) to
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line. You need to turn counter clockwise (mathematically positive) to
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get a closed shape. These are typically some sort of edges.
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get a closed shape. These commands typically procude some sort of edges.
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Finger joints
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Finger joints
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.............
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.............
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Finger joints are a smple way of joining two sheets of plywood. They
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Finger joints are a simple way of joining two sheets of plywood. They
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wor best at an 90° angle. There are two different sides matching each
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work best at an 90° angle. There are two different sides matching each
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other. As a third alternative there are holes that the fingers of one
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other. As a third alternative there are holes that the fingers of one
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sheet can plug into. This allows stable T connections especially
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sheet can plug into. This allows stable T connections especially
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useful for inner walls.
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useful for inner walls.
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