How do you cut plastic in half?

There are several ways to cut plastic in half, depending on the type and thickness of the plastic. Here's a breakdown:

Methods for Cutting Thin Plastic

Scissors: For thin, flexible plastic like plastic bags or thin sheeting, a sharp pair of scissors will usually do the trick. Just mark your halfway point and cut along the line.
Utility Knife/Box Cutter: A utility knife or box cutter can also work well for thin plastic. Place the plastic on a cutting surface and carefully slice through it. Be cautious and use a ruler or straight edge for a cleaner cut.

Scoring and Snapping: This is a good method for thicker, more rigid plastics.
1. Mark a line: Use a marker to indicate your halfway point and draw a line where you want to cut.
2. Score: Using a utility knife or box cutter and a straight edge, repeatedly score along the marked line. Apply firm pressure, but don't try to cut all the way through at once. Many light scores are better than a few heavy ones.
3. Snap: Once you've created a deep score, place the plastic along a hard edge (like a table edge) with the score line directly over the edge. Apply pressure to both sides of the score line until the plastic snaps cleanly.
Saw: For very thick plastic, a saw might be necessary.
- Hand Saw: A fine-toothed hand saw, like a hacksaw, can be used to cut through thick plastic. Use slow, even strokes to avoid melting or cracking the plastic.
- Power Saw: A power saw, such as a jigsaw or circular saw, can be used for faster cutting. Choose a blade designed for cutting plastic to minimize chipping and melting. Secure the plastic to a work surface before cutting. Wear safety glasses.

Safety First: Always wear safety glasses to protect your eyes from flying debris.
Sharp Tools: Use sharp tools to avoid ragged edges and make the cutting process easier.
Cutting Surface: Always use a cutting surface to protect your work area and provide a stable base for cutting.
Ventilation: When using power tools, work in a well-ventilated area.
Consider the Plastic Type: Different types of plastic will react differently to cutting. Experiment on a scrap piece first to determine the best method.