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    <p>Hi Brian,</p>
    <p>tomorrow I will give a look.<br>
    </p>
    <p>Many thanks,</p>
    <p>Sandro</p>
    <p><br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Il 26-Jan-22 0:32, Brian Eng ha
      scritto:<br>
    </div>
    <blockquote type="cite"
cite="mid:MN2PR09MB55152764E69F62E2F22BB473A55F9@MN2PR09MB5515.namprd09.prod.outlook.com">
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        Hi Sandro,</div>
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        font-size: 12pt; color: rgb(0, 0, 0);">
        I put the part on the round table in EEL 121/C.</div>
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        <br>
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        font-size: 12pt; color: rgb(0, 0, 0);">
        I left the supports on the part (they just need to be cut off
        with flush cutters) so you could see what they look like. I also
        purposely printed it at a slight angle so you could see the
        layer thickness, it's especially noticeable on the flange edge.</div>
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        font-size: 12pt; color: rgb(0, 0, 0);">
        <br>
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        font-size: 12pt; color: rgb(0, 0, 0);">
        The part was printed with a 100 micron layer thickness, it can
        go down to 25 microns, but that's usually not needed.</div>
      <div>
        <div style="font-family:Calibri,Arial,Helvetica,sans-serif;
          font-size:12pt; color:rgb(0,0,0)">
          <br>
        </div>
        <hr tabindex="-1" style="display:inline-block; width:98%">
        <div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt"
            face="Calibri, sans-serif" color="#000000"><b>From:</b>
            Sandro Tomassini <a class="moz-txt-link-rfc2396E" href="mailto:sandro.tomassini@lnf.infn.it"><sandro.tomassini@lnf.infn.it></a><br>
            <b>Sent:</b> Monday, January 24, 2022 8:24 PM<br>
            <b>To:</b> Brian Eng <a class="moz-txt-link-rfc2396E" href="mailto:beng@jlab.org"><beng@jlab.org></a>;
            <a class="moz-txt-link-abbreviated" href="mailto:dsg-hallb_rich@jlab.org">dsg-hallb_rich@jlab.org</a> <a class="moz-txt-link-rfc2396E" href="mailto:dsg-hallb_rich@jlab.org"><dsg-hallb_rich@jlab.org></a><br>
            <b>Subject:</b> Re: [dsg-hallb_rich] [EXTERNAL] Re: Parts
            for RICH mirrors to 3D print</font>
          <div> </div>
        </div>
        <div>
          <p style="margin-top: 0px; margin-bottom: 0px;">Hi Brian,</p>
          <p style="margin-top: 0px; margin-bottom: 0px;">I have
            produced one attached this email.
            <br>
          </p>
          <p style="margin-top: 0px; margin-bottom: 0px;">I think it is
            ok what you  have already  done. We do not need a very high
            resolution.</p>
          <p style="margin-top: 0px; margin-bottom: 0px;">I would like
            to test how stiff it is.</p>
          <p style="margin-top: 0px; margin-bottom: 0px;">Clear resin is
            ok as well.</p>
          <p style="margin-top: 0px; margin-bottom: 0px;">Many thanks</p>
          <p style="margin-top: 0px; margin-bottom: 0px;">Sandro</p>
          <p style="margin-top: 0px; margin-bottom: 0px;"><br>
          </p>
          <p style="margin-top: 0px; margin-bottom: 0px;"><br>
          </p>
          <div class="x_moz-cite-prefix">Il 25-Jan-22 1:37, Brian Eng ha
            scritto:<br>
          </div>
          <blockquote type="cite">
            <div style="font-family:Calibri,Arial,Helvetica,sans-serif;
              font-size:12pt; color:rgb(0,0,0)">
              Hi Sandro,</div>
            <div style="font-family:Calibri,Arial,Helvetica,sans-serif;
              font-size:12pt; color:rgb(0,0,0)">
              <br>
            </div>
            <div style="font-family:Calibri,Arial,Helvetica,sans-serif;
              font-size:12pt; color:rgb(0,0,0)">
              Do you already have .stl files for that part? I can
              generate those just fine but wasn't sure if you already
              had one if you wanted to compare something more directly
              as those settings will determine how fine the circles on
              the part are.</div>
            <div style="font-family:Calibri,Arial,Helvetica,sans-serif;
              font-size:12pt; color:rgb(0,0,0)">
              <br>
            </div>
            <div style="font-family:Calibri,Arial,Helvetica,sans-serif;
              font-size:12pt; color:rgb(0,0,0)">
              Also we only have clear resin currently, is that's okay?</div>
            <div style="font-family:Calibri,Arial,Helvetica,sans-serif;
              font-size:12pt; color:rgb(0,0,0)">
              <br>
            </div>
            <div style="font-family:Calibri,Arial,Helvetica,sans-serif;
              font-size:12pt; color:rgb(0,0,0)">
              I attached a screenshot of what the software put as the
              suggested orientation and supports for the part.</div>
            <div>
              <div
                style="font-family:Calibri,Arial,Helvetica,sans-serif;
                font-size:12pt; color:rgb(0,0,0)">
                <br>
              </div>
              <hr tabindex="-1" style="display:inline-block; width:98%">
              <div id="x_divRplyFwdMsg" dir="ltr"><font
                  style="font-size:11pt" face="Calibri, sans-serif"
                  color="#000000"><b>From:</b> dsg-hallb_rich
                  <a class="x_moz-txt-link-rfc2396E"
                    href="mailto:dsg-hallb_rich-bounces@jlab.org"
                    moz-do-not-send="true">
                    <dsg-hallb_rich-bounces@jlab.org></a> on
                  behalf of Sandro Tomassini <a
                    class="x_moz-txt-link-rfc2396E"
                    href="mailto:sandro.tomassini@lnf.infn.it"
                    moz-do-not-send="true">
                    <sandro.tomassini@lnf.infn.it></a><br>
                  <b>Sent:</b> Monday, January 24, 2022 6:48 PM<br>
                  <b>To:</b> <a class="x_moz-txt-link-abbreviated
                    moz-txt-link-freetext"
                    href="mailto:dsg-hallb_rich@jlab.org"
                    moz-do-not-send="true">
                    dsg-hallb_rich@jlab.org</a> <a
                    class="x_moz-txt-link-rfc2396E"
                    href="mailto:dsg-hallb_rich@jlab.org"
                    moz-do-not-send="true">
                    <dsg-hallb_rich@jlab.org></a><br>
                  <b>Subject:</b> [dsg-hallb_rich] [EXTERNAL] Re: Parts
                  for RICH mirrors to 3D print</font>
                <div> </div>
              </div>
              <div>
                <p style="margin-top: 0px; margin-bottom:
                  0px;margin-top:0px; margin-bottom:0px">
                  Hi Tyler,</p>
                <p style="margin-top: 0px; margin-bottom:
                  0px;margin-top:0px; margin-bottom:0px">
                  can you try to print three of them with the SLA 3D
                  printer?</p>
                <p style="margin-top: 0px; margin-bottom:
                  0px;margin-top:0px; margin-bottom:0px">
                  I am interested to see the result.</p>
                <p style="margin-top: 0px; margin-bottom:
                  0px;margin-top:0px; margin-bottom:0px">
                  Many thanks <br>
                </p>
                <p style="margin-top: 0px; margin-bottom:
                  0px;margin-top:0px; margin-bottom:0px">
                  Sandro</p>
                <p style="margin-top: 0px; margin-bottom:
                  0px;margin-top:0px; margin-bottom:0px">
                  <br>
                </p>
                <p style="margin-top: 0px; margin-bottom:
                  0px;margin-top:0px; margin-bottom:0px">
                  <br>
                </p>
                <p style="margin-top: 0px; margin-bottom:
                  0px;margin-top:0px; margin-bottom:0px">
                  <br>
                </p>
                <div class="x_x_moz-cite-prefix">Il 24-Jan-22 20:12,
                  Tyler Lemon ha scritto:<br>
                </div>
                <blockquote type="cite">
                  <div
                    style="font-family:Calibri,Arial,Helvetica,sans-serif;
                    font-size:12pt; color:rgb(0,0,0)">
                    Hi Marco,</div>
                  <div
                    style="font-family:Calibri,Arial,Helvetica,sans-serif;
                    font-size:12pt; color:rgb(0,0,0)">
                    <br>
                  </div>
                  <div
                    style="font-family:Calibri,Arial,Helvetica,sans-serif;
                    font-size:12pt; color:rgb(0,0,0)">
                    We talked today about having some items 3D printed
                    at JLab for the RICH spherical mirror support
                    system.</div>
                  <div
                    style="font-family:Calibri,Arial,Helvetica,sans-serif;
                    font-size:12pt; color:rgb(0,0,0)">
                    <br>
                  </div>
                  <div
                    style="font-family:Calibri,Arial,Helvetica,sans-serif;
                    font-size:12pt; color:rgb(0,0,0)">
                    If you have it, could you send us the model for what
                    needs to be printed?</div>
                  <div
                    style="font-family:Calibri,Arial,Helvetica,sans-serif;
                    font-size:12pt; color:rgb(0,0,0)">
                    <br>
                  </div>
                  <div
                    style="font-family:Calibri,Arial,Helvetica,sans-serif;
                    font-size:12pt; color:rgb(0,0,0)">
                    DSG has an SLA 3D printer that could be used or if
                    an extrusion 3D printer is preferred, we can look
                    into one of JLab's other 3D printers.<br>
                  </div>
                  <br>
                  <fieldset class="x_x_moz-mime-attachment-header"></fieldset>
                  <pre class="x_x_moz-quote-pre">_______________________________________________
dsg-hallb_rich mailing list
<a class="x_x_moz-txt-link-abbreviated x_moz-txt-link-freetext moz-txt-link-freetext" href="mailto:dsg-hallb_rich@jlab.org" moz-do-not-send="true">dsg-hallb_rich@jlab.org</a>
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</pre>
                </blockquote>
                <pre class="x_x_moz-signature" cols="72">-- 
-----------------------------------------
Dr. Eng. Sandro Tomassini
Istituto Nazionale di Fisica Nucleare
Laboratori Nazionali di Frascati
---Research Division---
P.O.Box 13 00044 Frascati (RM) Italy
Tel. office: +39 06 9403 2919/8089
Fax: +39 06 94032256
e-mail: <a class="x_x_moz-txt-link-abbreviated x_moz-txt-link-freetext moz-txt-link-freetext" href="mailto:sandro.tomassini@lnf.infn.it" moz-do-not-send="true">sandro.tomassini@lnf.infn.it</a>
e-mail: <a class="x_x_moz-txt-link-abbreviated x_moz-txt-link-freetext moz-txt-link-freetext" href="mailto:sandro.tomassini@cern.ch" moz-do-not-send="true">sandro.tomassini@cern.ch</a>
<a class="x_x_moz-txt-link-freetext" href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.lnf.infn.it_&d=DwMCaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ry65GV1L9CI4W-wouYF1Yh0O9PuhLc4ZWUkBi_Op2h8&m=UyKN76GnvwY4no4m70H2t9_EVOsNnnEsGrSnmmSxEWlN5SN4JdlSGY4TcBSD2kk5&s=-NTt-AZHZbfTFs-75Kb1nlbfbfKy8aFlXPXHJyIeBoY&e=" moz-do-not-send="true">http://www.lnf.infn.it/</a>
<a class="x_x_moz-txt-link-freetext" href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.cern.ch_&d=DwMCaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ry65GV1L9CI4W-wouYF1Yh0O9PuhLc4ZWUkBi_Op2h8&m=UyKN76GnvwY4no4m70H2t9_EVOsNnnEsGrSnmmSxEWlN5SN4JdlSGY4TcBSD2kk5&s=oRUUWQotsr9olpZWs7KvCNj642fRN2Ldq_CEA6_nF2k&e=" moz-do-not-send="true">http://www.cern.ch/</a></pre>
              </div>
            </div>
          </blockquote>
          <pre class="x_moz-signature" cols="72">-- 
-----------------------------------------
Dr. Eng. Sandro Tomassini
Istituto Nazionale di Fisica Nucleare
Laboratori Nazionali di Frascati
---Research Division---
P.O.Box 13 00044 Frascati (RM) Italy
Tel. office: +39 06 9403 2919/8089
Fax: +39 06 94032256
e-mail: <a class="x_moz-txt-link-abbreviated moz-txt-link-freetext" href="mailto:sandro.tomassini@lnf.infn.it" moz-do-not-send="true">sandro.tomassini@lnf.infn.it</a>
e-mail: <a class="x_moz-txt-link-abbreviated moz-txt-link-freetext" href="mailto:sandro.tomassini@cern.ch" moz-do-not-send="true">sandro.tomassini@cern.ch</a>
<a class="x_moz-txt-link-freetext" href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.lnf.infn.it_&d=DwMDaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=vRrieMgp4FbexQ5kgKImwA&m=T-nUsll5n5c5s1ClF9FiVp4OWiYOsmnuX7zUyreexLVVz33nm-8c2dTjee74PxBS&s=rl_zseqgDb93u38qvUZOPjUhazEPVTTpvvKlnzRJyHY&e=" moz-do-not-send="true">http://www.lnf.infn.it/</a>
<a class="x_moz-txt-link-freetext" href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.cern.ch_&d=DwMDaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=vRrieMgp4FbexQ5kgKImwA&m=T-nUsll5n5c5s1ClF9FiVp4OWiYOsmnuX7zUyreexLVVz33nm-8c2dTjee74PxBS&s=85dk0yFHkcbpZ78JH0tw0MGLEzfKS2qwzZcx_DQFC_I&e=" moz-do-not-send="true">http://www.cern.ch/</a></pre>
        </div>
      </div>
    </blockquote>
    <pre class="moz-signature" cols="72">-- 
-----------------------------------------
Dr. Eng. Sandro Tomassini
Istituto Nazionale di Fisica Nucleare
Laboratori Nazionali di Frascati
---Research Division---
P.O.Box 13 00044 Frascati (RM) Italy
Tel. office: +39 06 9403 2919/8089
Fax: +39 06 94032256
e-mail: <a class="moz-txt-link-abbreviated" href="mailto:sandro.tomassini@lnf.infn.it">sandro.tomassini@lnf.infn.it</a>
e-mail: <a class="moz-txt-link-abbreviated" href="mailto:sandro.tomassini@cern.ch">sandro.tomassini@cern.ch</a>
<a class="moz-txt-link-freetext" href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.lnf.infn.it_&d=DwMDaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ry65GV1L9CI4W-wouYF1Yh0O9PuhLc4ZWUkBi_Op2h8&m=4aD-zS07X_fwLhmRXtmXUZgqpF_Zam4I4MJFp2dn50zinFZHWMi1K8vJ5HKtiYfd&s=pzx4Xc41zcHqqbVoKX5Tq5Cl0zUT_vyQe8M2fNxD4eI&e=">http://www.lnf.infn.it/</a>
<a class="moz-txt-link-freetext" href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.cern.ch_&d=DwMDaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ry65GV1L9CI4W-wouYF1Yh0O9PuhLc4ZWUkBi_Op2h8&m=4aD-zS07X_fwLhmRXtmXUZgqpF_Zam4I4MJFp2dn50zinFZHWMi1K8vJ5HKtiYfd&s=2sEDWx-b-nKOtlqilgCyTra6JXr_UZTsG-m_FUJhB10&e=">http://www.cern.ch/</a></pre>
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