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Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails34jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=35Page 35button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=35 data-page=35 class=ts-thumb lazyload alt=Page 35: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails35jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=36Page 36button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=36 data-page=36 class=ts-thumb lazyload alt=Page 36: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails36jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=37Page 37button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=37 data-page=37 class=ts-thumb lazyload alt=Page 37: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails37jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=38Page 38button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=38 data-page=38 class=ts-thumb lazyload alt=Page 38: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails38jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=39Page 39button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=39 data-page=39 class=ts-thumb lazyload alt=Page 39: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails39jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=40Page 40button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=40 data-page=40 class=ts-thumb lazyload alt=Page 40: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails40jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=41Page 41button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=41 data-page=41 class=ts-thumb lazyload alt=Page 41: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails41jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=42Page 42button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=42 data-page=42 class=ts-thumb lazyload alt=Page 42: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails42jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=43Page 43button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=43 data-page=43 class=ts-thumb lazyload alt=Page 43: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails43jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=44Page 44button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=44 data-page=44 class=ts-thumb lazyload alt=Page 44: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails44jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=45Page 45button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=45 data-page=45 class=ts-thumb lazyload alt=Page 45: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails45jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=46Page 46button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=46 data-page=46 class=ts-thumb lazyload alt=Page 46: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails46jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=47Page 47button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=47 data-page=47 class=ts-thumb lazyload alt=Page 47: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails47jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=48Page 48button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=48 data-page=48 class=ts-thumb lazyload alt=Page 48: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails48jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=49Page 49button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=49 data-page=49 class=ts-thumb lazyload alt=Page 49: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails49jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=50Page 50button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=50 data-page=50 class=ts-thumb lazyload alt=Page 50: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails50jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=51Page 51button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=51 data-page=51 class=ts-thumb lazyload alt=Page 51: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails51jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=52Page 52button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=52 data-page=52 class=ts-thumb lazyload alt=Page 52: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails52jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=53Page 53button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=53 data-page=53 class=ts-thumb lazyload alt=Page 53: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails53jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=54Page 54button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=54 data-page=54 class=ts-thumb lazyload alt=Page 54: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails54jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=55Page 55button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=55 data-page=55 class=ts-thumb lazyload alt=Page 55: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails55jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=56Page 56button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=56 data-page=56 class=ts-thumb lazyload alt=Page 56: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails56jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=57Page 57button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=57 data-page=57 class=ts-thumb lazyload alt=Page 57: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails57jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=58Page 58button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=58 data-page=58 class=ts-thumb lazyload alt=Page 58: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - 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Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails66jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=67Page 67button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=67 data-page=67 class=ts-thumb lazyload alt=Page 67: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - Jon Allen_Author loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer202204270055720ff8497959fc0b8ca2adhtml5thumbnails67jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=68Page 68button div class=ts-imageimg data-url=drawing-geometry-a-primer-of-basic-forms-for-artists-designers-and-architectskeith-critchlow-foreword-jon-allenauthorhtmlpage=68 data-page=68 class=ts-thumb lazyload alt=Page 68: Drawing Geometry a Primer of Basic Forms for Artists Designers and Architects_Keith Critchlow_ Foreword - 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