DIY Laptop Cooler

Step 4 Fire Baby, Fire!

Here is the fun part, shaping the unit. I suppose a heat gun would have been more practical, not to mention safer, but I used what I had available and an acetelene torch is all I had. The first fold we will make will be the base of the riser section (1" mark), so lay the line we marked on an edge of something straight ,(better if its fire proof and not an old dry 2x4 like I used). I'll pretend you are using a heat gun since that would give you more control over the process without cooking the plexi like i did. Moving the Heat gun back and forth along the line, slowly heat the area until the overhanging plexi starts to sag. After another couple of passes, press the edge down using the fire proof edge you are heating on as a crease. This will be the 90 degree bend as shown in the illustration.
Next will be the 60 degree bend, it isn't approximate so just start heating and bending until you get the angle you want. I used another piece of wood flatten the crease by applying a bit of pressure until the plexi cooled enough to retain the shape I created.
For the final fold, I heated up the plexi, folded it under and left it to cool in the desired angle that allowed the unit to sit square on the table. If it wobbles while sitting flat you can use the heat gun to adjust the fold angles until it is right or just works for you. Also make sure you are folding the correct side, you want your fans to be exactly where you want them, not on the opposite side!