After a trip to the bank to deposit some savings from my piggy bank, I received feedback that they need all the coins counted and organized to be accepted. I didn't want to go through the trouble of counting all the coins as they were quite a lot. I did some searching on the internet for models, but none of them were easily adjustable for my needs - coin size and markings for counting.

I didn't want to spent time designing yet another coin counter and I wanted to be compatible for more coin currencies with different sizes. So I spent some time designing a OpenSCAD model, which can be used to generate coin counter for nearly all sorts of circular coins.

How to use the OpenSCAD file?

1. Open the provided SCAD file.
2. Select one of the predefined presets or provide the required information for the coin counter:
   • num - number of coins to be counted.
   • marks_every - how often to put marks beside the window for counting coins.
   • coin_lbl - label to be put on the coin counter.
   • coin_d - diameter of the coin.
   • coint_t - thickness of the coin
   • paper_thickness - thickness of the wrapping paper to be used.
   • wall_thickness - wall thickness of the coin counter container.
3. Render the model (F6).
4. Export the STL file (F7).

Printing options

• Layer height - 0.16mm
• Wall order - outer/inner
• Tick bridges
• Supports
  • Type: tree (auto)
  • Style: tree hybrid
  • Critical regions only
• Filament: PLA

Wrap paper

Suggested size for the wrap paper is 75mm x 105mm.

References

• Bulgarian lev
• Euro coins
• Coins of the United States dollar