A small stencil for drawing organic molecules. Includes: 

- Pentagon

- Hexagon

- Heptagon

- 1-10 Carbon chain

- Chair

- Newman projection for cyclohexane

Use a fine point pen/marker

Makeworld: https://makerworld.com/en/models/677935#profileId-606115

Thingiverse: https://www.thingiverse.com/thing:6785725