Received: by 10.224.110.207 with SMTP id o15mr5861630qap.7.1336263256061;
        Sat, 05 May 2012 17:14:16 -0700 (PDT)
X-BeenThere: nycresistormicrocontrollers@googlegroups.com
Received: by 10.224.33.13 with SMTP id f13ls3440799qad.1.gmail; Sat, 05 May
 2012 17:14:12 -0700 (PDT)
Received: by 10.224.110.207 with SMTP id o15mr5861572qap.7.1336263252525;
        Sat, 05 May 2012 17:14:12 -0700 (PDT)
Received: by 10.224.21.143 with SMTP id j15msqab;
        Fri, 4 May 2012 09:08:08 -0700 (PDT)
Received: by 10.52.21.83 with SMTP id t19mr250487vde.18.1336147688402;
        Fri, 04 May 2012 09:08:08 -0700 (PDT)
Date: Fri, 4 May 2012 09:08:07 -0700 (PDT)
From: Benjamin <B...@WindWavesandSun.com>
To: nycresistormicrocontrollers@googlegroups.com
Message-ID: <12283659.1217.1336147687723.JavaMail.geo-discussion-forums@ynff7>
In-Reply-To: <20120425145136.CDD0EF83@resin04.mta.everyone.net>
References: <20120425145136.CDD0EF83@resin04.mta.everyone.net>
Subject: Re: making fresnel lenses with makerbot
MIME-Version: 1.0
Content-Type: multipart/mixed; 
	boundary="----=_Part_1215_27390181.1336147687722"

------=_Part_1215_27390181.1336147687722
Content-Type: multipart/alternative; 
	boundary="----=_Part_1216_606885.1336147687722"

------=_Part_1216_606885.1336147687722
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit

We, at HackerspaceCLT are having some success creating molds or reprap 
parts, and creating copies in a clear resin;
Not sure of the UV stability of the materials however.


On Wednesday, April 25, 2012 5:51:36 PM UTC-4, fra...@maui.net wrote:
>
> A couple of questions for you gurus out there:
>
>  1> Can makerbot make transparent objects? I don't know much about the 
> resins you are using...
>  2> How clean/clear would such objects be?
>  3> Has anyone tried making fresnel lenses?
>
> I'm trying to break the price barrier on solar fiber-optic skylighting.  
> Believe it or not, it costs
> about $100k to get a decent in-home system.  I believe it could be done 
> for under $1000...
>
> Regards
>
> Dave Scruton
> frac...@maui.net
>
>
>
------=_Part_1216_606885.1336147687722
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable

We, at HackerspaceCLT are having some success creating molds or reprap part=
s, and creating copies in a clear resin;<div>Not sure of the UV stability o=
f the materials however.</div><div><br><br>On Wednesday, April 25, 2012 5:5=
1:36 PM UTC-4, fra...@maui.net wrote:<blockquote class=3D"gmail_quote" styl=
e=3D"margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left:=
 1ex;"><div style=3D"font-family:Arial,sans-serif;font-size:10pt"><font siz=
e=3D"2"><span style=3D"font-family:Arial,sans-serif">A couple of questions =
for you gurus out there:<br><br>&nbsp;1&gt; Can makerbot make transparent o=
bjects? I don't know much about the resins you are using...<br>&nbsp;2&gt; =
How clean/clear would such objects be?<br>&nbsp;3&gt; Has anyone tried maki=
ng fresnel lenses?<br><br>I'm trying to break the price barrier on solar fi=
ber-optic skylighting.&nbsp; Believe it or not, it costs<br>about $100k to =
get a decent in-home system.&nbsp; I believe it could be done for under $10=
00...<br><br>Regards<br><br>Dave Scruton<br><a href=3D"mailto:fractal@maui.=
net" target=3D"_blank">frac...@maui.net</a><br><br><br></span></font></div>
</blockquote></div>
------=_Part_1216_606885.1336147687722--

------=_Part_1215_27390181.1336147687722--