3D Printing Strength Test: How Wall Thickness Affects Your Parts (no infill)

https://www.youtube.com/watch?v=PQHKQH5imkI

From 10% to 100%: Infill Compression Strength

https://www.youtube.com/watch?v=-LHQtlxYQII

Which Infill Pattern is the STRONGEST? | 3D Printing Compression Test

https://www.youtube.com/watch?v=IIS9UagZaWI

__________________
The other day I sat next to a woman who has a profound fear of flying. I wanted to comfort her, so I said, "Don't worry, we're not gonna' crash. Statistically, we got a better chance of being bitten by a shark." Then I showed her the scar on my elbow from a shark attack. I said, "I got this when my plane went down off of Florida." - Dennis Regan

Best strength to weight ratio. Only PLA tested.

Answer: 3 walls, 20% infill, honeycomb. He says "far from conclusive"... but better than nothing IMO.

Number of walls, infill percentage and type for best strength to weight ratio

https://www.youtube.com/watch?v=1Xuw93DnWwM

__________________
The other day I sat next to a woman who has a profound fear of flying. I wanted to comfort her, so I said, "Don't worry, we're not gonna' crash. Statistically, we got a better chance of being bitten by a shark." Then I showed her the scar on my elbow from a shark attack. I said, "I got this when my plane went down off of Florida." - Dennis Regan