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Rectangular Vacuum Former with legs

by chefmaki, published

Rectangular Vacuum Former with legs by chefmaki Dec 8, 2012

Description

Pretty much identical to the one here thingiverse.com/thing:35402
except rectangular, with legs and a bent vacuum connection..
I also added more holes and grid lines to allow for more detailed molding

Recent Comments

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Plastic plates work perfectly.

I haven't tested this but I believe you could mold anything up to 3.5inches x 2.5 inches.. depending on the thickness

What are the maximal dimensions for any object to be created in this vacuum former?

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Instructions

Print with at least 2 layers and an infill of about 20% or more.
should print with out support.

glue the stand and the gasket and the base together. (Use hot glue or something to seal any gaps it needs to be air tight)
place a rubber band around the poles of the stand. to allow for a better seal between the mounts and the stand when forming.

I used Magnets in the Plastic mounts to hold them together.. but you can use screws and bolts or you can hinge them together if you want.

use the Platstic template to draw the shape on the bottom of a plastic plate then cut that shape out of the plates..
these will be the plastic sheets you use with this machine.

you will need a pretty good vacuum to connect this too, I used my small house vac but it needed an adapter to fit the shop vac sized hole. so I included that too. (you may need to alter it to match your vacuum)

Also you will need a heat gun. tempreture is everything.. if the plastic sheets don't get hot enough.. the final mold will not have enought detail.

To use Vacuum Former:
Turn on your vacuum,
Place the thing you want to make a mold of on the stand..
Then heat your plastic in the mounts.
when the plastic gets hot enough, press the mounts down on to the base and the vacuum will do the rest.

Comments

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TimothyChronosParaxade on Feb 13, 2014 said:

What are the maximal dimensions for any object to be created in this vacuum former?

chefmaki on Feb 14, 2014 said:

I haven't tested this but I believe you could mold anything up to 3.5inches x 2.5 inches.. depending on the thickness

professorlooney on Dec 19, 2013 said:

Where can I purchase the plastic that I would make a mold from. The material that would go over my 3D printed item. I need to make a few candy molds for my wife.

SoLongSidekick on Apr 4, 2014 said:

Plastic plates work perfectly.

jonny on Dec 8, 2012 said:

Nice derivative to Vacuum Former the legs and curved hose connection makes vacuum forming easy. I'm wondering how long it took you to print the vf stand? When I was designing the original stand I had a lot of holes like yours but it took hours to print because when it was printing really slow at the holes only, is that because of my firmware or my slicer?  

chefmaki on Dec 8, 2012 said:

 Thanks Jonny,  I loved your Vacuum Former, I was just gonna print that.. but I needed something a little longer and I didn't have a vice to put it on, so that's why I changed it.

Yeah, I think it took me around one and a half to two hours to print the vf stand.  but I'm not sure cause I kinda got used to doing other stuff while the machine does long prints..  the vf base takes way longer.. i think around 6hrs.. not sure cause I fell asleep while that one printed.. but it was done by the time I woke up..

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