The example here is the outside of a mold but it can work inside too.
Diy plastic sheet molding.
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.
For vex robotics teams hobby diy industrial crafts.
Have a mold ready to use.
Cut 4 to 6 sheets of plasters.
Dip the sheets in bowl filled with room temperature water for 1 second.
4 6 out of 5 stars 197.
Create a durable mother shell.
Remove the excess water by squeezing the sheets over the bowl.
As you ll need to put the plastic sheet into the oven this is your size limitation.
Make adjustments appropriate to the specifications of your project.
Layer the sheets on top of eachother.
Measure the inside of your oven.