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  • Low Cost CO2 Laser Build

  • PVC Cooling Jacket for CO2 Laser0PVC Cooling Jacket for CO2 LaserThe adventure begins while I was walking around the local home depot looking at ideas on how to build the laser. I was sort of making it up as I went. Mapping things out in my mind. I wanted...
  • Low Cost CO2 Laser Build

  • Assembling the tube1And now for assembling the laser tube itself. Things needed for this will be a bit of JB weld, a long thin dowl that fits inside your mirror mounts. This will help align them, much better than eyeing it. You will also need some 3/8th...
  • Low Cost CO2 Laser Build

  • NaCl Window0NaCl Window and and Mirror – DIY OCWell, I decided to give this a try for the OC of the CO2 laser. A simple gold mirror with a hole in the middle and a salt window. The hole was easy, I simply put a glass drill bit into a battery powered...
  • Pressure Cooker Vacuum Chamber

  • Step 1 - Assemble the fittingsLet's get the easy part out of the way first. For this step, you'll need your bag of fittings, the valves, the pressure gauge, a roll of teflon tape, and a crescent wrench.Assembling brass fittings is pretty easy, but...
  • Pressure Cooker Vacuum Chamber

  • Step 2: Prepare the pressure cookerNow for the fun part. In this step, you'll be drilling a hole in your nice shiny new pressure cooker. I know, it's tough, but it's for a good cause.You're going to need: A metalworking drill pressThe pressure cookerA...
  • Pressure Cooker Vacuum Chamber

  • Step 3: Install the bulkhead fittingThis step is very easy, but it's also your biggest potential leak. Don't worry about that too much now; leak hunting is great sport in the world of vacuum chambers, and there's plenty of time for it later. Find your...
  • Pressure Cooker Vacuum Chamber

  • Step 4: Copper tubing and compression fittings It's finally time to put the pieces together.Cut two lengths of copper tubing. One length connects the fittings assembly to the pressure cooker. The other, longer, length connects the fittings to the vacuum...
  • Pressure Cooker Vacuum Chamber

  • Step 5: Final assembly Now is the time for that pressure cooker lid that you set aside earlier.The gasket that's in the lid of the Miro pressure cooker is very easy to remove. Just give it a gentle tug and work your way around the lid. It should come...