For thicker acrylic you will need to use a metal bar clamped very securely and you may only be able to work with narrow strips of material as your heat source may not be able to heat wider areas of thick material.
Molding acrylic sheets.
Caution iu0019ve only tried this in an electric oven.
Iu0019m forming the flatware and using 2 forks and 2 spoons i already have to shape my acrylic fork and spoon.
Have a mold ready to use.
Plexiglass is unrivaled in its ability to withstand the weather and is unmatched by any other plastic glazing.
As you ll need to put the plastic sheet into the oven this is your size limitation.
Step 2 make a mold.
Plexiglas acrylic sheet has been considered the standard of the industry since it was first introduced 75 years ago because of its unsurpassed quality ease of use and wide range of colors patterns thicknesses and sizes.
Molds for thermoforming can be made out of many materials ranging from wood or plaster to aluminum or steel.
You can get mold release spray at any hobby store.
Protect the surface you re working on by laying down sheets of newspaper and spraying them with cooking spray or a mold release product.
A mold any object shape you can press the acrylic into to give it shape.
Make adjustments appropriate to the specifications of your project.
Or the entire sheet can be heated and draped or forced to take the shape of a desired form.
In order to cast with acrylic resin you need a mold.
Simple bends can be made by heating the bend point with a wire heater.
Once soft mold them into any shape you desire.
These acrylic sheets served as a useful bullet resistant glazing on fighter planes during world war ii as it was light strong and easily molded onto the skin of the aircraft.
I canu0019t recommend for gas ovens.
In designing a part for thermoforming several things must be taken into consideration to.
Just heat the sheets above 150 degrees f for 2 3 minutes until they turn from translucent to clear using a heat gun.
Perspex sheet is a tradename for acrylic sheet known throughout the world just like lucite acrylic sheet.
Upon cooling they will be strong and permanent.
Thermoforming acrylic sheet part design considerations.
Plexiglass or acrylic sheet this system works well for small pieces of plexiglass in thicknesses of up to 1 8 inch.
Measure the inside of your oven.
The example here is the outside of a mold but it can work inside too.
After forming cool.
Mallet and or a peen for shaping.