Commemorative Coin
From Hack Manhattan Wiki
Commemorative Coins
@mugenity created a one year anniversary coin for the nycmakesppe.com effort. The coins were designed to contain a microSD card with a thank you note. This is token that may be useful for a new fundraising campaign.
Designs can be found in https://github.com/hackmanhattan/3DModeling/tree/main/nycmakesppe.
Material | Cost Per Purchase Unit | Cost per Coin | Notes |
---|---|---|---|
Resin | $25 per 500mL per can | $0.40 | very fragile to dropping, might need clear epoxy reinforcement |
Aluminum | $? | $? | difficult to smelt safely |
Pewter | $105 per 4lb | ? | sculpt.com |
Additional Costs
- Delivery to supporters (Possible per envelope)
- MicroSD modification requires purchasing a microSD click slot for around $0.20 per unit
- MicroSD containing a thank you note or media would cost $4.50 for a 16GB (smallest available at Microcenter)
Cost research
- Etsy shows listings for metal coins ~$20 and hundreds of sales https://www.etsy.com/search?q=coin
- Resin coins could go for similar prices if reinforced so dropping doesn't cause breakage
- 100 coins sold at $10 would be ~$900 profit.
Build Video
Footage
- Painting
- Caption: 2 coats of metallic spray paint
- Clear Coat
- Mixing clear resin
- Applying on coins
- Flame to pop bubbles
- Assembly
- Carving out microSD slot
- Inserting microSD slot and microSD
Captions
- Painting: Spray with 2 coats of metallic spray paint
- Clear Coat
- Mix the resin for 10 minutes
- Apply evenly across surface
- Treat with light fire to pop bubbles
- Assembly:
- Extract excess material in microSD slot
- Press fit microSD slot and test insertion
Additional
What does it finance?
- 1 coin: $20, Arduino board
- 2 coins $40, Raspberry Pi
- 3 coins: $60, Starving hacker monthly due
- 4 coins: $80, ______
- 5 coins: $100, monthly internet bill