The large pan prevents the plexiglass from coming into contact with the hot rack which can distort the plexiglass due to uneven heating.
How to mold plastic sheets at home.
Place a plexiglass sheet on large pan and place on the middle oven rack.
Coat the master part with a release agent.
You need to have one master part for making the mold.
You can also buy molds at craft stores but for best results choose a mold that is lined with aluminum.
Make adjustments appropriate to the specifications of your project.
The mold is a.
Put some coins under the edges of the form to allow the air to flow freely between the form and the pegboard.
And if you really want to give it a try then the following five steps are all you have to perform.
As you ll need to put the plastic sheet into the oven this is your size limitation.
Preheat the oven to 250 degrees f.
Measure the inside of your oven.
Place the two halves together leaving a hole in the top where the plastic will be poured.
Apply mold putty to the clay bed s surface carefully covering the alignment keys.
Get the right mold material.
A layer of silicone mold putty will form 1 of the mold s inner walls.
The first thing you need to have for creating a plastic part is a mold.
Attach your vacuum cleaner hose to the attachment on the side of the plywood box.
Heat for approximately five minutes.
Have a mold ready to use.
To make your own molds try forming clay around one half of an object then the other half.
Molding the plastic place your form in the center of the pegboard on top of the plywood box.
The example here is the outside of a mold but it can work inside too.