fishooks

vacuum former

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Anyone ever use a vacuum former to make airbrush stencils. Care to share pics of commercial/homemade vacuum former.

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Vacuum forming is another great method when using poly ethelene (milk cartons). A tutorial was produced a short time ago on this topic. If a left and right form is made of a bait out of whatever material you choose (steel putty, plaster etc), drill small holes symetrically and connect it to a shop vac. Lay your milk carton over the form, turn on the vacuum, and lighting wave a torch over the plastic until it turns clear. The vacuum will do the rest.

Hope that helps.

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For some of you "old timers" you might remember a toy that Mattel made in the late 60's called a Vac-u-form. It used a hot plate, a small sheet of styrene plastic, and hand pumped vacuum system to form small parts. It was a great little machine and worked very well as I remember. You can still find them on E-Bay.

Mattel Vac U Form with nice assortment of molds - eBay (item 160321893674 end time Mar-22-09 13:26:36 PDT)

Gene

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I'm very lucky in that our prosthetics shop has a vacuum former and I'm in the process of making stencils for all of my patterns. I be able to learn to paint a decent craw pattern now:yeah:

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Looks like a vacuum former would be cheap and easy to make. A piece of peg board, shop vac and the kitchen stove.

I wonder about some other applications: eyes, dots, lip mask. Any creative ideas?

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Great thread, thanks for the links atrophius & Gene, it certainly beats what I have been doing, burning my fingers with a heat gun. Gerry was showing us something similar at Clinton last year, but my memory and the beers had dulled it.pete

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Sorry Coley, but I promised I would never tell it was Dano.pete

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Who cares anyway, Coley hasn't hit a thing with that pistol since coal was 2 dollars a ton.

Edited by KcDano

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I have one that works like a charm-- I'll post some pics in a day

or 3.

Basically it is a homemade plywood/particle board box with an open bottom with a short hose connected and fitted to a hole in the top: on top of the hole and topside is a cookie sheet screwed on and sealed with hotmelt glue. The sheet has a uniformed pattern of holes drilled into it.

You simply stick your shop vac to the hose on the box, set your

form on top of cookie sheet with your plastic on top of the form,

set a turkey oven bag on top of that to help pull down the plastic

when you turn on the shop vac and use your heat gun to blast the

plastic with hot air.

We use 1/16-1/8" polyester sheet plastic to make painting stencils and plastic prototype lure tail blades that we are now testing in conjunction with out metal tail blades on our shad swimbait lures. You could also use it to form crankbait lips no sweat.

Polyester forms in a matter of seconds, polycarbonate is tricky to thermoform like this as it will bubble up and deform if you're not careful, I think it is sensitive to the right or wrong temperatures

and heating times.

TG Peterson

***************

Edited by redg8r
Web URL Removed

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Here are the vacuum former pics, I apologize if they are not

in proper format or size.

The hose is attached to a pvc pipe coupler and then to the

jig-sawed hole from underneath as shown in the pic.

Any q's are welcome.

TG Peterson

Maxota

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