Cafes and restaurants can store their coffee grounds so compost can be made out of it.
This coffee collector has been designed to prevent mould on the (wet) coffee grounds.

Restaurant personnel can empty the content of their portafilter in this box or they can fill it with the grounds from their coffee machines.

This instructable is part of a system called Coffee Cycle:
Biodegradable flower pots out of coffee grounds!
Bike pannier (front & rear)
Burlap sack for bicycle basket

Tell me more about the Coffee Cycle project!

Step 1: Preparation

Collect materials:
- Box
- Strainer
- Ruler
- Drill
- Paper tape
- 4 bolts and nuts (M5x10)
<p>And what exactly did you do here? It is similar to Step 1) Underpants, Step 3) Profit. Wheres the middle and the explanation of what is really going on here?</p>

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More by Laurens Ulser: Rotation moulding - chocolate eggs Burlap sack for bicycle basket Coffee collector
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