As you ll need to put the plastic sheet into the oven this is your size limitation.
Diy plastic sheet molding.
Create high performance plastic parts.
Each sheet should be 6 inches longer than the mold.
Things you ll need 2 inch by 4 inch timber saw 3 inch wood screws drill plywood sheet 2 inch by 2 inch wood cube 2 foot by 2 foot pegboard sheet angled shop vac attachment small screws duct tape form coins shop vacuum cleaner thermoplastic sheets hobby knife stapler oven oven mitts pencil eraser.
Make adjustments appropriate to the specifications of your project.
The example here is the outside of a mold but it can work inside too.
Measure the inside of your oven.
Have a mold ready to use.
Polycarbonate clear plastic sheet 12 x 24 x 0 0625 1 16 3 pack shatter resistant easier to cut bend mold than plexiglass.
Dip the sheets in bowl filled with room temperature water for 1 second.
For vex robotics teams hobby diy industrial crafts.
Cut 4 to 6 sheets of plasters.
Create a durable mother shell.