| What it does | Free epoxy resin calculator for mold batches, casting voids and tabletop coatings
| Free random name picker powered by cryptographic randomness
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| Free forever with no paywalls or hidden fees.
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| Key features | - Calculate mold cavity volumes from dimensions or enter known volumes
- Combine multiple molds and piece counts in a single batch plan
- Split totals using product volume or weight ratios
- Add material allowance percentages for wastage
- Estimate kit quantities and material costs
- Support metric and US imperial units
- Save projects locally in browser without creating an account
- Export batch sheets as PDF or CSV
- Calculate deep pour epoxy with layer allocation
- Calculate tabletop coatings with edge coverage
| - Cryptographically secure randomness using crypto.getRandomValues()
- Equal probability for all entries
- Remove and spin again functionality
- Recent Winners log tracking all decisions
- Built-in fairness test with 10,000 simulated spins
- No account or download required
- Works on any modern browser
- Client-side application with no data transmission
- Unlimited entries with auto-resizing segments
- Multiple wheel configurations for different use cases
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| What makes it different | - Published formulas and methodology transparent with no proprietary hidden calculations
- Calculations cross-checked against a separate Python implementation using 100-digit decimal arithmetic
- Handles irregular molds using known volumes without forcing geometry estimates
- Shares batch plans via URL without storing projects on servers
| - Uses cryptographic randomness instead of predictable algorithms like Math.random()
- Built-in fairness verification test that runs 10,000 spins to prove equal distribution
- Completely private with no data stored on servers or shared with third parties
- Instant results with no signup, download, or hidden costs
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 19 | 14 |
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| Referring domains (Majestic) | 6 | 3 |
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ResinBatch
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