1.0.4 (235,Windows NT) 1.000 %8 %1 doc_settings 113 265 document_window 0 629 492 -29 -4 2 document_toolbar 3d_geometry_toolbar O_point (0,0,0,1) sphere_point_style normal_point_size red hidden_layer plane3_base_point_size I_vector (0,0,0,1) (2,0,0) sphere_point_style very_small_point_size tomato hidden_layer solid_curve_style small_curve_radius orange_red plane3_base_point_size plane3_base_curve_radius J_vector (0,0,0,1) (0,2,0) sphere_point_style very_small_point_size tomato hidden_layer solid_curve_style small_curve_radius lawn_green plane3_base_point_size plane3_base_curve_radius K_vector (0,0,0,1) (0,0,2) sphere_point_style very_small_point_size tomato hidden_layer solid_curve_style small_curve_radius steel_blue plane3_base_point_size plane3_base_curve_radius Z0_Plane (0,0,1,0) normal_surface_thickness solid_surface_style ivory default_layer solid_curve_style small_curve_radius light_steel_blue plane3_base_surface_thickness plane3_base_curve_radius %1 1 29.700 21.000 %8 %161 %6 32.500 272.500 %7 origin3 %7 ((0.9990482215818578,-0.023436679747723271,0.036788218175522795,0),(0.043619387365335702,0.53678821817552314,-0.84258872403671525,0),(0,0.84339144581288572,0.53729960834682389,0),(0,0,0,1)) %8 2.500 1.500 17.000 18.000 default_surface_clipping_transfo3 %7 central_medium_lens default_layer default_clipping_transfo3 no_auto_rotate %12 (5.6765437005576764,-5.6221538219199516,0,1) sphere_point_style very_small_point_size red default_layer point3_base_point_size %13 (0.70500155213787863,-0.69824657043018568,0.12419556499998717) %12 Z0_Plane %14 %15 J_vector %12 %15 (5.6765437005576773,-3.6221538219199516,0,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %16 %17 %15 %12 %17 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %18 (5.6765437005576773,-1.9422173517604147,0,1) sphere_point_style normal_point_size red default_layer point3_base_point_size %19 (0.87862105087230946,0.47751968437336567) %18 %17 %20 %21 %12 %18 %21 (5.6765437005576764,-5.6221538219199516,0,1) (6.7965382337801265e-16,3.6799364701595372,0) sphere_point_style very_small_point_size tomato default_layer solid_curve_style small_curve_radius red vector3_base_point_size vector3_base_curve_radius %22 (4.7695276716409794,-6.7625715550565122,0,1) sphere_point_style very_small_point_size magenta hidden_layer point3_base_point_size %23 (0.57219369355172667,-0.81129643486570002,0.11996862854028911) %22 Z0_Plane %24 %25 %21 %22 %25 (4.7695276716409802,-3.0826350848969755,0,1) sphere_point_style very_small_point_size red hidden_layer point3_base_point_size %26 %27 %22 Z0_Plane %27 (0,0,-0.11996862854028911,0.81129643486570002,0.57219369355172667,0) hidden_layer solid_curve_style normal_curve_radius medium_aquamarine line3_base_curve_radius %28 %29 %25 Z0_Plane %29 (0,0,-0.17341929933619771,0.53458841653201383,0.82712814698058534,0) hidden_layer solid_curve_style normal_curve_radius medium_aquamarine line3_base_curve_radius %30 %31 %25 %27 %31 hidden_layer solid_curve_style normal_curve_radius orange conic3_base_curve_radius %32 %33 %22 %29 %33 hidden_layer solid_curve_style normal_curve_radius orange conic3_base_curve_radius %34 %36 %35 %33 %31 %35 (1.5826092041699795,-4.9226033199767381,1.4520917353842181e-16,1) sphere_point_style very_small_point_size red default_layer point3_base_point_size %36 (7.9564461391119838,-4.9226033199767461,-1.4520917353842225e-16,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %37 %38 %22 %25 %38 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style very_small_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %39 %40 %25 %35 %40 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style very_small_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %41 %42 %35 %22 %42 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style very_small_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %43 %44 %38 %44 (4.7695276716409802,-4.9226033199767443,0,1) sphere_point_style very_small_point_size red default_layer point3_base_point_size %45 %46 %44 %38 %46 (7.4392246085408784e-17,0.20520260763287487,0,1.0101310376014747) normal_surface_thickness solid_surface_style cornflower_blue hidden_layer solid_curve_style small_curve_radius dim_gray plane3_base_surface_thickness plane3_base_curve_radius %47 %48 %36 %25 %48 normal_surface_thickness solid_surface_style medium_turquoise hidden_layer solid_curve_style small_curve_radius dim_gray quadric3_base_surface_thickness quadric3_base_curve_radius %49 %50 %48 %46 %50 hidden_layer solid_curve_style normal_curve_radius orange conic3_base_curve_radius %51 %52 %35 %46 %52 (-1.9365216308343759e-16,-0.53416761731922346,0,7.7566038241912398e-17,-2.8120070555273645e-32,-0.84537858773895125) hidden_layer solid_curve_style normal_curve_radius medium_aquamarine line3_base_curve_radius %53 %54 %35 Z0_Plane %54 (0,0,-0.18987719109633508,0.93469009127867653,0.30050139029100198,0) hidden_layer solid_curve_style normal_curve_radius medium_aquamarine line3_base_curve_radius %55 %56 %25 %54 %56 hidden_layer solid_curve_style normal_curve_radius orange conic3_base_curve_radius %57 %58 %59 %46 %56 %58 (-2.0973272659895601,-4.9226033199767425,0,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %59 (5.2625456743295187,-4.9226033199767434,0,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %60 %61 %59 %52 %61 hidden_layer solid_curve_style normal_curve_radius orange conic3_base_curve_radius %62 %63 %64 %61 %33 %63 sphere_point_style normal_point_size red default_layer point3_base_point_size %64 sphere_point_style normal_point_size red default_layer point3_base_point_size %65 %66 %59 %35 %66 normal_surface_thickness solid_surface_style medium_turquoise hidden_layer solid_curve_style small_curve_radius dim_gray quadric3_base_surface_thickness quadric3_base_curve_radius %67 %69 %68 Z0_Plane %50 %68 (7.9564461391119847,-4.9226033199767452,-9.5357594791422894e-33,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %69 (1.582609204169976,-4.9226033199767452,-1.8967489324481282e-33,1) sphere_point_style very_small_point_size red default_layer point3_base_point_size %70 %71 %36 %38 %71 hidden_layer solid_curve_style normal_curve_radius orange conic3_base_curve_radius %72 %73 %74 %61 %71 %73 (3.7072215158173063,-4.9226033199767425,-3.0046555459165103,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %74 (3.7072215158173094,-4.9226033199767425,3.004655545916509,1) sphere_point_style very_small_point_size red default_layer point3_base_point_size %75 %76 %74 %35 %76 sphere_point_style normal_point_size tomato default_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %77 %78 %74 %25 %78 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style very_small_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %79 %80 %74 %22 %80 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style very_small_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %81 %82 %74 %44 %82 sphere_point_style normal_point_size tomato default_layer solid_curve_style very_small_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %83 %84 %44 %35 %84 sphere_point_style normal_point_size tomato default_layer solid_curve_style very_small_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %85 %86 %74 %35 %44 %86 normal_surface_thickness solid_surface_style light_sky_blue sphere_point_style normal_point_size tomato default_layer solid_curve_style small_curve_radius purple subplane3_base_surface_thickness subplane3_base_point_size subplane3_base_curve_radius %87 (2.1602756653268109,-4.9226033199767381,0.81694374389606261,1) sphere_point_style normal_point_size red default_layer point3_base_point_size %88 (0.58861291707645769,0.8084150133753969) %87 %76 %89 %90 %44 %87 %90 sphere_point_style normal_point_size tomato default_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %91 (0.056505690133144,-1.8923322928207835,0,1) sphere_point_style normal_point_size magenta default_layer point3_base_point_size %92 (0.026391523412252548,-0.88383190953095758,0.46705957134699827) %91 Z0_Plane %93 %94 %21 %91 %94 (0.05650569013314468,1.7876041773387534,0,1) sphere_point_style very_small_point_size red default_layer point3_base_point_size %95 %96 %91 %94 %96 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %97 %98 %22 %91 %98 (4.7695276716409794,-6.7625715550565122,0,1) (-4.7130219815078354,4.8702392622357289,0) sphere_point_style very_small_point_size tomato hidden_layer solid_curve_style small_curve_radius green_yellow vector3_base_point_size vector3_base_curve_radius %99 %100 %98 %35 %100 (-3.1304127773378565,-0.052364057741008607,1.4520917353842181e-16,1) sphere_point_style very_small_point_size red default_layer point3_base_point_size %101 %102 %98 %40 %102 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %103 %104 %98 %42 %104 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %105 %106 %98 %87 %106 (-2.5527463161810244,-0.052364057741009572,0.8169437438960625,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %107 %108 %96 %100 %108 (3.2434241576041454,-0.05236405774100978,-1.4520917353842181e-16,1) sphere_point_style very_small_point_size red default_layer point3_base_point_size %109 %110 %98 %74 %110 (-1.005800465690526,-0.052364057741013707,3.004655545916509,1) sphere_point_style small_point_size red default_layer point3_base_point_size %111 %112 %96 %112 (0.05650569013314434,-0.052364057741015047,0,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %113 %114 %112 %110 %114 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %115 %116 %112 %106 %116 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %117 %118 %112 %108 %118 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %119 %120 %110 %100 %120 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %121 %122 %110 %108 %122 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %123 %124 %106 %118 %124 (-0.77379101309527121,-1.2805411334424272e-15,3.5257115815764083e-17,1.0442838621190056e-15,-0.63214372723117784,-0.040518837289191804) hidden_layer solid_curve_style normal_curve_radius medium_aquamarine line3_base_curve_radius %125 %126 %122 %124 %126 (2.0880912352904799,-0.05236405774100189,0.81694374389606228,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %127 %128 %91 %94 %100 %128 normal_surface_thickness solid_surface_style light_sky_blue sphere_point_style normal_point_size tomato default_layer solid_curve_style small_curve_radius purple subplane3_base_surface_thickness subplane3_base_point_size subplane3_base_curve_radius %129 %130 %102 %128 %130 normal_surface_thickness solid_surface_style lime sphere_point_style normal_point_size tomato default_layer solid_curve_style small_curve_radius purple subplane3_base_surface_thickness subplane3_base_point_size subplane3_base_curve_radius %131 %132 %104 %128 %132 normal_surface_thickness solid_surface_style blue sphere_point_style normal_point_size tomato default_layer solid_curve_style small_curve_radius purple subplane3_base_surface_thickness subplane3_base_point_size subplane3_base_curve_radius %133 %134 %96 %128 %134 normal_surface_thickness solid_surface_style red sphere_point_style normal_point_size tomato default_layer solid_curve_style small_curve_radius purple subplane3_base_surface_thickness subplane3_base_point_size subplane3_base_curve_radius %135 %136 %108 %126 %96 %134 %136 normal_surface_thickness solid_surface_style red sphere_point_style normal_point_size tomato default_layer solid_curve_style small_curve_radius purple subplane3_base_surface_thickness subplane3_base_point_size subplane3_base_curve_radius %137 %138 %102 %138 (-1.5369535436023556,0.86762005979887269,7.2604586769210917e-17,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %139 %140 %104 %140 (-1.5369535436023558,-0.97234817528089579,7.2604586769210904e-17,1) sphere_point_style normal_point_size red hidden_layer point3_base_point_size %141 %142 %138 %102 %142 (-0.47601293561616376,-0.27482619651573464,2.1689116204241294e-17,-0.49316504714054443) normal_surface_thickness solid_surface_style cornflower_blue hidden_layer solid_curve_style small_curve_radius dim_gray plane3_base_surface_thickness plane3_base_curve_radius %143 %144 %142 %136 %144 normal_surface_thickness solid_surface_style blue sphere_point_style normal_point_size tomato default_layer solid_curve_style small_curve_radius purple subplane3_base_surface_thickness subplane3_base_point_size subplane3_base_curve_radius %145 %146 %140 %104 %146 (0.45682346072381364,-0.26374714802103061,-2.0814764438359541e-17,0.44566237864636754) normal_surface_thickness solid_surface_style cornflower_blue hidden_layer solid_curve_style small_curve_radius dim_gray plane3_base_surface_thickness plane3_base_curve_radius %147 %148 %146 %136 %148 normal_surface_thickness solid_surface_style lime sphere_point_style normal_point_size tomato default_layer solid_curve_style small_curve_radius purple subplane3_base_surface_thickness subplane3_base_point_size subplane3_base_curve_radius %149 %150 %112 %100 %150 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %151 %152 %138 %91 %152 sphere_point_style normal_point_size tomato hidden_layer solid_curve_style normal_curve_radius indian_red subline3_base_point_size subline3_base_curve_radius %153 %154 %152 %150 %154 (-1.0058004656905224,-0.052364057741012889,4.8403057846140603e-17,1) sphere_point_style very_small_point_size red default_layer point3_base_point_size %155 %156 %154 %110 %156 sphere_point_style normal_point_size tomato default_layer solid_curve_style very_small_curve_radius gray16 subline3_base_point_size subline3_base_curve_radius %157 %158 %87 %158 italic 16 Helvetica 0.132 -0.542 P dark_blue default_layer %159 %160 %18 %160 italic 16 Helvetica -0.011 0.010 Q dark_blue default_layer %161 0.500 1.500 1.500 18.000 %162 %162 <html><head><meta name="qrichtext" content="1" /></head><body style="font-size:12pt;font-family:Helvetica"> <p></p> <p>Drag <span style="font-style:italic">P</span> to fold the faces of the tetrahedron up and down. 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