Semi-automatic knife

I designed this after seeing this project so I'll copy the description:
https://www.thingiverse.com/thing:5327492

https://youtube.com/shorts/4BdqttTlk4Q?feature=share

For the occasion:
Please be careful when handling blades. There is a considerable risk of injury.
I only provide the design. The handling of the item and any blades used is your own responsibility. I assume no liability for property damage or personal injury.