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

[Emily Knox]

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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