<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><br><br>Sent from my iPad<div>David Fletcher</div><div><br></div></div><div><br>Begin forwarded message:<br><br></div><blockquote type="cite"><div><b>From:</b> "Tony Pugatschew" <<a href="mailto:support@intellecta.net">support@intellecta.net</a>><br><b>Date:</b> 12 June 2014 1:59:40 PM AEST<br><b>To:</b> "ESNET @ iiate" <<a href="mailto:esnet@iiate.asn.au">esnet@iiate.asn.au</a>><br><b>Subject:</b> <b>[esnet] UP! Printers and removal of print lines - another realSTEM activity</b><br><b>Reply-To:</b> "ESNET @ iiate" <<a href="mailto:esnet@iiate.asn.au">esnet@iiate.asn.au</a>><br><br></div></blockquote><div><span></span></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 14 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal">Dear Esnetters,<o:p></o:p></p><p class="MsoNormal">Just a quick one to get amazing quality from your UP1 ABS 3D prints. Sometimes the print lines are objectionable and you want a gloss finish.<o:p></o:p></p><p class="MsoNormal">Rubbing with acetone is messy. I was at a school today and blown away by the following process.<o:p></o:p></p><p class="MsoNormal">Hang the part over a warm bath of acetone, The vapour does the job. Don’t use a flame but a water bath on a hot plate. I tried with an old beaker and it works a treat.<o:p></o:p></p><p class="MsoNormal"><span style="mso-fareast-language:EN-AU"><img width="574" height="462" id="Picture_x0020_3" src="cid:image001.png@01CF8642.5CAD52A0"></span><o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">Looks like there may be visits to the chem labs or maybe the kitchen!<o:p></o:p></p><p class="MsoNormal">Apparently there is an increase in strength also ( OOP!s I can see a STEM activity – print 10 identical bars of material, Acetone treat 5, do a destructive bend test by adding mass to the end, plot the data and examine the errors, print a I beam and repeat the process, print a hollow beam with tubes to simulate bone structure), Remember a good STEM activity should have contributions from all the S, T, E and M.<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">Tony Pugatschew<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"><o:p> </o:p></p></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>esnet mailing list</span><br><span><a href="mailto:esnet@iiate.asn.au">esnet@iiate.asn.au</a></span><br><span><a href="http://mail.iiate.asn.au/mailman/listinfo/esnet_iiate.asn.au">http://mail.iiate.asn.au/mailman/listinfo/esnet_iiate.asn.au</a></span><br></div></blockquote></body></html>