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The top documents tagged [correct grades of lead]
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correct grades of lead
HB (#2) or other medium grade pencil 6H or other hard grade pencil Engineering markers 8.5 x 11 white paper Fade-out grid sketch paper Grid.
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Sketching Technique ETP 2005 – Dan Houston This material is based upon work supported by the National Science Foundation under Grant No. 0402616. Any opinions,
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Sketching Technique
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