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

[Emily Knox]

Sounds good to me.

Emily

On Thu, Jan 29, 2015 at 12:30 PM, Jeffrey Putney <quaker at gmail.com> wrote:

> 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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>
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