We obtained a used pizza oven from a local restaurant at no cost. We sanded, cleaned, and equipped it with a PID controller. The thermometer is centrally located in the oven.

We constructed a mold using square steel tubes, sized to fit the oven. Alternatively, bread trays can be used.

The key to producing quality sheets lies in this step. We are continually improving our molds; this instance employs available steel.

For future molds:

• Aluminum sheets will be utilized
• A frame will be added to restrain compression width

Apply a thin layer of petroleum jelly to the mold. Then, add approximately 6.6 pounds (3 kg) of shredded HDPE and secure the mold lid.

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Turn on the oven and set the temperature according to the plastic type. We found 160°C (320°F) effective when measured at the oven's center.

Heat for 40-50 minutes, then proceed to the press. We use a press designed for PET and cardboard at the local center.

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Watch the initial segment of the video to understand its functionality: youtube.com.

Plastic sheets offer versatility for product creation, commonly utilized after CNC milling. They can also be hand-cut for making boxes, signs, and skateboards. Experiment at home and share your results.