Front office Private Business Card

Scenario

You're in the front office, you want to keep business cards on your desk, but you don't want customers to see them.

Example: we don't want companies in strong competition to see the competitor's business card on our desk.

Useful features:

• Compatible with business cards from : EU(85x55), UK(3.3"x2.1" = 83.82x53.34), USA(3.5"x2" = 88.9x50.8).
• Insert business cards from the slot at the top.
• The business cards are quite hidden.
• 5% slope and finger hole to easily pick up a business cards.
• Stack overflow can be managed by the exclamation mark shaped hole.
• Does not require supports.

Useless features:

• 1 Self-referential business card (OpenSCAD).
• 1 Non-politically correct business card (OpenSCAD).