Behold! The EASIEST vacuum chamber build I could come up with that still pulls a strong vacuum, has valves and gauges, and you can build in like 3 steps. This thing REALLY sucks, too. In a good way.

Best of all, I had all but 2 of these parts already laying around!

Parts List:
Suspiciously Cheap Pump and Gauge kit (and more): https://amzn.to/3YSxhzo
Pump More equivalent to what I used: https://amzn.to/3EA4p6O
Just gauges: https://amzn.to/3IPABG3
Polycarbonate Sheet: https://amzn.to/3ZdM7jN
Silicone Sheet: https://amzn.to/3xQb3SW
Tap and Drill set: https://amzn.to/3XV7O71 (measure yours first, make sure it's the right size/thread)

Videos Cited:
@BlackBeardProjects
   • Stabilizing Wood With DIY Vacuum Pump  
@smoothon
   • How To Use The Smooth-On 5 Gallon Vac...  
​@TheActionLab
   • Stretch Armstrong in a Vacuum Chamber...  
   • What Happens When You Put 30 Marshmal...  

https://paulsmakeracademy.mykajabi.co...

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Music: "Quirky Dog" by Kevin MacLeod. http://incompetech.com/
#metalcasting