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Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
Bantum_Works

A6 / A5 / A4 Vacuum Formers

by Bantum_Works Dec 8, 2016
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So whats to stop me from making the vacuum floor and out of PETG and then the laser cut hole-y board out of perfboard/proto-board?

Can do what ever you like, but from my experiments with hole sizes - found that the smaller & evenly distributed ones make for a better pull down onto the mold & had much better control over process. The holes on perforated peg board are too big / far apart ... Ciao, Karl ...

great design! Are the A4 files ready to cut?

Which plastic material are you using? thickness?

Hi, thanks for you Query ...

Have put up a few versions ( mostly ready to go ) - So if you have access to a laser cutter, it should simply be a matter of importing the relevant PDF file into the program you are going to use for cutting. ( Although you may need to change line settings to suit ) The CDR files should also be Ok, as these are what I used.

Not sure what plastic you are referring to, but have used ABS filament for 3D printing the Ductwork.
Think the plastic used for actual Vacuum process ( as in the image ) is 0.8 mm clear polypropylene ...
( bit of experimentation is required to get the right temps for forming )
All the frames were cut from 5/6mm plywood sheet.

Regards, Karl.

thanks for the reply!
I meant the plastic for thermoforming, which type of sheets and thicknesses are suitable for this?

I'm working on a list of recommended types of plastic to use ( see updates ) mostly thin stuff, but you can use just about anything thermoset.
Mostly depends on what you can get hold of locally & for best price. Found old 2 Litre Milk bottles work wonders too !

Will also putup some links to other users / guides when I find them.

Cheers, Karl.