Step 13Step 11: Make final cuts for plastic tray
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Take the part and wipe it down. Take heavy masking tape or substitute and tape it on the bottom and top of the plastic sheet where you will be making your cuts. Build up a few layers of tape. Using the bandsaw on plastic will sometimes tend to shatter or crack the plastic so you have to be careful and gentle when cutting your plastic. The tape seems to help prevent less chipping or cracking. Mark your lines for the cut using a grease pencil on the tape.
Cut your piece out and sand your edges.
Note: if you have any shallow scratches on your plastic use a small torch to remove them, just quickly move your flame over them and they will disappear.