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LibreCAD Tutorial – Building and Using a Library of Parts.

Finally we are to a point of building a library of parts to use over and over in different drawings. In this video I show one way of using a library of those parts in your actual drawings. I call this the cut and paste method. In the next video I will show you

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Graphical Construction: Drawing a circle tangent to other circles

An actual problem solved. The build of wire making a coil

Tonight’s post is a graphical construction that does not have a built-in function in CAD. Drawing circles tangent to other circles was an actual problem I had to “go back to the books” to solve a problem. The picture to the left is

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Graphical Construction – A line crossing the center line and tangent to two circles.

Tangent to two circles but on opposite sides.

Tonight’s post is again graphical construction and is very similar to the last post. The major difference is the line between the two circles goes to opposite sides of the circles. At first glance this “cross belt” configuration sounds unusual so I included in the video

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Graphical Construction – A line tangent to two circles.

A scene from tonight’s video

Very often it is necessary to draw a line that is tangent to two circles. A pulley going around two pulleys, or a rope tied around a cylinder and pulled around a pulley are but two examples. It was something I had to draw when I was determining the

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Graphical Construction – A Circle Tangent to two lines.

A scene from the Video

A new graphical construction video was posted tonight. This shows how to make a circle that is tangent to two lines. Things are starting to get a little more complicated now and we will be using some of the techniques we have already learned to be able to draw

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Graphical Construction? I don’t need no stinkin’ Graphical Construction.

Some Initial fitting of circles to copy the hair brush

“Why?” As adults we have all been been around a pain-in-the-neck child that continued to ask that question. As children we may have been that child. Some of us might have even been that pain-in-the-neck as adults. All of us realize time is limited

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Graphical Construction – A parallel line through a point and equal divisions on a line.

Dividing a line into equal divisions.

A new graphical construction video was posted tonight. This shows how to make parallel lines through points and that procedure is used to divide a line into equal parts.

These procedures are published in several books and were taught back in the days when hand drafting was taught.

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Graphical construction – A line through a point and tangent to a circle.

Scene from the video.

This is another post in the series of solving graphical problems. I have yet to talk about why these skills are important and that will be in an post soon. However, if you look around at man-made things around you, you will notice very few are simple “boxes”. Almost everything

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Graphical Construction – Bisecting an Angle

Bisecting an Angle.

In the last post I bisected a line, so in this post we will bisect an angle. Again this is trivial in CAD, but a little more complicated in”real life”. Basically all that is being done is to: First, make the two legs of the angle the same length and then

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Graphical Construction – Bisecting a Line

The third step: Drawing a line perpendicular to the edge of the paper

This is the first of a new series of videos showing how to solve special drawing problems in CAD but more importantly also manually while laying out a project in sheet metal or some other material. Today’s example is really three

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