3D Model of the Da Vinci Card

Da Vinci Card 

It is believed that Da Vinci created two different catapult models, a one-armed and a two-armed design. A pawl and ratchet system incrementally tightens the firing system. In this one-arm design. 
CCBYSA

Recommended print settings

Print profile: Fine
Initial platform: None
Print supports: On
Advanced settings: Default
  • Total print time 3 hours
  • Total filament 3.1 m
  • Additional non-printable components
  • Printed all at once