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

[Dena Strong]

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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>>>>> Makerspace-keymembers at lists.chambana.net
>>>>> https://lists.chambana.net/mailman/listinfo/makerspace-keymembers
>>>>>
>>>>>
>>>>
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