[Makerspace-keymembers] Costs for a glass lampworking starter kit

[Jeffrey Putney]

So the glasses are are like $40 if I recall. And Dena you would know better
but I think they are probably the one item that is pretty special and make
the bead making a lot easier. I think a pair for the space would be pretty
cool.

Jeff

On Thu, Jan 29, 2015 at 12:02 PM, Dena Strong <dena.strong at gmail.com> wrote:

> Which version, though? Do y'all want the set with the didymium glasses, or
> the under $100 version?
>
> On Thu, Jan 29, 2015 at 11:22 AM, Emily Knox <emilyknox at gmail.com> wrote:
>
>> Hi Dena,
>>
>> I would just go ahead and order these materials.  You can fill out a form
>> for reimbursement (attached).
>>
>> Emily
>>
>> On Thu, Jan 29, 2015 at 12:46 AM, Elizacorps <elizacorps at gmail.com>
>> wrote:
>>
>>> WOW... Custom spoke beads! I have plastic ones on one of my bikes.
>>>
>>> Can't wait!
>>>
>>>
>>> Be kind to yourself
>>>
>>> On Jan 29, 2015, at 0:20, Jeffrey Putney <quaker at gmail.com> wrote:
>>>
>>> I think it would be a fun activity to be able do anytime.
>>>
>>> And tonight the bike project invited us to a jewelry making workshop
>>> where they want to make jewelry from bike parts. I think it could be fun to
>>> include some custom glass beads in this activity ;-)
>>>
>>> Jeff
>>>
>>> On Wed, Jan 28, 2015 at 7:18 PM, Gergana Slavova <
>>> gergana.s.slavova at gmail.com> wrote:
>>>
>>>> We have no other plans to purchase things in Jan/Feb/Mar and no major
>>>> events planned.  I'm ok with spending the money.
>>>>
>>>> ~Gergana
>>>>
>>>> On Sun, Jan 25, 2015 at 9:01 PM, Emily Knox <emilyknox at gmail.com>
>>>> wrote:
>>>>
>>>>> At the moment we have $500 in the budget for 2015Q1, just FYI.
>>>>>
>>>>> On Sun, Jan 25, 2015 at 8:57 PM, Dena Strong <dena.strong at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi, all! Gergana and Jeff asked me to mail out a list of what it
>>>>>> would cost to put together a glass lampworking basic kit for the
>>>>>> Makerspace. My hypothesis is that it should be doable for under $100 and
>>>>>> that everything should be available at either the hardware store or the
>>>>>> grocery store except for the actual glass rods and mandrel release. Let's
>>>>>> see if that's an accurate guess...
>>>>>>
>>>>>> (Some Internet investigations later...)
>>>>>>
>>>>>> OK, it looks like a pair of didymium glasses are the break point
>>>>>> between "could get going under $100" and "over $100."
>>>>>>
>>>>>> Here's a kit for $99 that would need the gas, glass, and a table
>>>>>> protecting aluminum tray added; it contains a set of didymium glasses.  (
>>>>>> http://www.sundanceglass.com/kitslamp1.htm ) Adding the gas, glass,
>>>>>> and aluminum tray would take the total to about $140.
>>>>>>
>>>>>> I've got to admit this is a pretty good deal, because the lenses by
>>>>>> themselves start at $60 and go up from there. If the Makerspace wants to
>>>>>> own a set of those lenses, this kit is definitely the way to go because
>>>>>> adding them on to a piecemeal order later would end up costing about $20-30
>>>>>> more overall. (Getting the kit and adding glass/gas would total about $140.
>>>>>> Getting the components separately and adding the glasses would cost
>>>>>> $160-$170, without factoring in multiple shipping costs.)
>>>>>>
>>>>>> But it is possible to hit the "under $100" target if the didymium
>>>>>> glasses aren't in the equation.
>>>>>>
>>>>>> If we wanted to piece it out and not get the didymium lenses to start
>>>>>> with, here's how the math would go:
>>>>>>
>>>>>> Fire:
>>>>>> MAPP gas - $7.50, Menards
>>>>>> Mag-torch aka hot head torch - $15, Menards (currently on sale for
>>>>>> $12)
>>>>>>
>>>>>> Table anchoring stuff (the Makerspace may already have some of these
>>>>>> for other purposes too):
>>>>>> C-clamp - $3
>>>>>> 4" angle bracket - $3
>>>>>> Hose clamp - $1.50
>>>>>> Aluminum baking tray for table surface protection:  $3
>>>>>> Vermiculite - (I've got a partial bag of the stuff, I'm happy to
>>>>>> donate a gallon-ziploc of it for bead use)
>>>>>> Wide mouth can or clay pot for holding the vermiculite - (I bet
>>>>>> there's something kicking around we could reuse; if not, we should be able
>>>>>> to find something suitable under $5)
>>>>>> Regular non-didymium safety glasses - (the Makerspace has some,
>>>>>> right?)
>>>>>>
>>>>>> Glass stuff:
>>>>>> Sampler set of 30 rods with assorted colors: $30 from Sundance
>>>>>>
>>>>>> Mandrel release bottle: 4 oz - $7 from Sundance
>>>>>>
>>>>>> Mandrels - $7 per dozen from Sundance, or $33 per pound;
>>>>>> alternatively, 1 pound of stainless steel welding rods would be $15, in 36
>>>>>> inch lengths that would need cutting down but would give you several dozen.
>>>>>> (Given how easy it is to have a glass item adhere to the mandrel, a few
>>>>>> dozen would be a good idea.)
>>>>>>
>>>>>> So the without-glasses version works out to $90ish by making our own
>>>>>> mandrels from the pound of welding rods, or $108ish by buying a pound of
>>>>>> already-made mandrels from Sundance along with the glass and bead release.
>>>>>>
>>>>>> What do you think of the options?
>>>>>>
>>>>>>
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>>>>>>
>>>>>>
>>>>>
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>
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