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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi all<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have a very practical problem – a failed 3D print which is over 10 DAYS in with as many to go, and as it stopped cleanly, perfectly recoverable IF I can re-register the X and Y axis, which I want to try to do by re-playing just a section of the diamond pattern infill, and jogging in x and Y until everything lines up perfectly.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The attached, hacked down GCODE file is one attempt to do this, by isolating just a few lines of the infill.  This would work.  Even better would be just to print the square at the intersection of these lines.<o:p></o:p></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'><img width=375 height=360 id="Picture_x0020_1" src="cid:image004.jpg@01D53F62.6BAAACB0"></span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Using the following lines of OpenSCAD I have been able to draw a square which perfectly corresponds to the intersection:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=FR>intersection()<o:p></o:p></span></p><p class=MsoNormal><span lang=FR>                {<o:p></o:p></span></p><p class=MsoNormal><span lang=FR>                polygon(points=[[378.546,352.217],[458.698,272.065],[384.642,252.783],[324.204,313.221]]);<o:p></o:p></span></p><p class=MsoNormal><span lang=FR>                polygon(points=[[379.141,252.143],[470.219,343.221],[403.88,370.221],[301.294,267.635]]);<o:p></o:p></span></p><p class=MsoNormal><span lang=FR>                </span>}<o:p></o:p></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'><img width=442 height=353 id="Picture_x0020_2" src="cid:image003.png@01D53F61.8C38ADC0"></span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is anybody able to point me to either <o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>1)<span style='font:7.0pt "Times New Roman"'>      </span></span><![endif]>Suitable mathematical equations to find the corner co=ordinates of this polygon?<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>2)<span style='font:7.0pt "Times New Roman"'>      </span></span><![endif]>A way to get OpenSCAD to output the corner co-ordinates?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks!!!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#7030A0;mso-fareast-language:EN-GB'>Alex Gibson<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#1F497D;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#7030A0;mso-fareast-language:EN-GB'>admg</span><span style='font-family:"Arial","sans-serif";color:#1F497D;mso-fareast-language:EN-GB'> </span><span style='font-family:"Arial","sans-serif";color:gray;mso-fareast-language:EN-GB'>consulting<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:gray;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#7030A0;mso-fareast-language:EN-GB'>edu</span><span style='font-family:"Arial","sans-serif";color:gray;mso-fareast-language:EN-GB'>maker limited</span><span style='font-family:"Arial","sans-serif";color:#1F497D;mso-fareast-language:EN-GB'><o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:gray;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol;color:#604A7B;mso-style-textfill-fill-color:#604A7B;mso-style-textfill-fill-alpha:100.0%;mso-fareast-language:EN-GB'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray;mso-fareast-language:EN-GB'>Project management<o:p></o:p></span></p><p class=MsoNormal style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol;color:#604A7B;mso-style-textfill-fill-color:#604A7B;mso-style-textfill-fill-alpha:100.0%;mso-fareast-language:EN-GB'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray;mso-fareast-language:EN-GB'>Operations & Process improvement <o:p></o:p></span></p><p class=MsoNormal style='margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol;color:#604A7B;mso-style-textfill-fill-color:#604A7B;mso-style-textfill-fill-alpha:100.0%;mso-fareast-language:EN-GB'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray;mso-fareast-language:EN-GB'>3D Printing<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>