Made my own smokeless fire pit, similar to the solo stove bonfire. Made from a 55 gallon steel drum. Still needs a coat of high temp paint. Total cost was $25 including
Heating oil tank repurposed into an outdoor fireplace. | Outdoor fireplace, Outdoor fireplace designs, Outdoor fire pit
How to Build Your Own Smokeless Fire Pit | DIY Smokeless Fire Pit
Smokeless Burn Barrel Makes Your Backyard Fire Much Cleaner | Hackaday