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Mechanical Drawing |
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Circle Triangle Tangents Six equal circles tangent to each other and to the sides of the triangle... |
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Compasses, Beam For larger circles beam compasses are used. The two parts called channels which carry the pen and the needle point are clamped to a wooden beam at a distance equal to the radius of the circle. The t... |
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Drawing 15 and 75 degree lines It is possible to draw lines forming angles of 15 and 75 degrees by arranging two triangles. ... |
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Drawing Board A drawing board is usually made of well-seasoned and straight-grained soft pine, the grain running lengthwise of the board. ... |
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Drawing Board Setup This is the standard layout for plates. ... |
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Drawing Board Setup Lettering This is a sample lettering plate. ... |
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Drawing Lines 1 Dotted lines can indicate a relationship among figures, such as one inside another.... |
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Drawing Lines 2 Shading of the right and lower sides gives dimension to drawings.... |
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Drawing Lines 3 Top and side views of a hexagonal pyramid shaded with dimension lines.... |
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Drawing Lines 4 Circles should be unshaded or shaded evenly with thick and thin lines, changing at about 45 degrees.... |
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Drawing Parallel Lines T-squares can be used in conjunction with a drawing board to draw parallel lines. ... |
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Drawing Rectangles A triangle and a T-square can be used in conjunction to draw a rectangle. ... |
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Drawing Sections Different surfaces can be indicated by changing the pattern or direction of lines.... |
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Drawing Vertical Parallel Lines Triangles are used in drawing lines at right angles to the T-square. ... |
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Erasing shield, shapes This erasing shield can erase multiple sizes and shapes. ... |
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Erasing shield, straight line An erasing shield of thin metal is convenient in erasing desired shapes. ... |
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Exercise, arc Arc pattern exercise ... |
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Exercise, box Box pattern exercise ... |
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Exercise, circles Circle pattern exercise: Draw diagonals A C and D B, and with the T-square draw the line E H. Now mark off on E H distances of 1.4 inch, and with H as a center describe, by means of the compasses, ci... |
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Exercise, Diamond Diamond pattern exercise: Divide A D and A B into 4 equal parts, then draw horizontal lines through E, F, and G and vertical lines through L, M, and N. Draw lines from A and B to the intersection O o... |
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Exercise, squares Square pattern exercise: Divide A D and A B into 4 equal parts and draw horizontal and vertical lines. Now divide these dimensions, A L, M N, etc., and E F, G B, etc., into 4 equal parts- each 1/4 in... |
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Exercise, weave Weave pattern exercise: Divide A D and A B into 8 equal parts, and through the points O, P, Q, H, I, J, etc., draw horizontal and vertical lines. Now draw lines connecting O and H, P and I, Q and J, ... |
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Hyperbola First Method Draftsman's first method to draw a parabola... |
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Hyperbola Second Method Draftsman's second method for drawing a hyperbola... |
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Orthographic Pyramid Projection An orthographic projection of a pyramid from three dimensional space into two dimensional space... |
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Clipart ETC is a part of the Educational Technology Clearinghouse and is funded by various grants. Produced by the Florida Center for Instructional Technology, College of Education, University of South Florida. Email the project manager.