3D Print Scale Tools
Free browser-based tools for scaling, referencing, and calculating costs for STL conversions for tabletop miniatures. All tools run client-side — no uploads, no accounts, no tracking.
STLScale Converter
The main STL scale calculator. Select source and target scales, choose eye-level or top-of-head, and get the exact slicer percentage for Warhammer, D&D, Bolt Action, and more.
Calculators
stlscale Engine
Browser-based STL scale calculator that outputs resize percentages for tabletop gaming miniatures.
- 15+ gaming scales supported
- Eye Level and Top of Head measurement
- Bed-level calibration guides
- Copy to clipboard
- Deep-linkable via URL parameters
Slicer Percentage Calculator
Simple tool to calculate the exact resize percentage needed to scale a miniature from any size to any target size for use in Chitubox, Lychee, or PrusaSlicer.
- Any source size to any target size
- Real-time calculation as you type
- 12 common conversion presets
- Formula breakdown for verification
- Copy result to clipboard
- Zero bloat — no account, no tracking
Filament Cost Calculator
Calculate how much a 3D print costs based on filament roll price, weight used, and print time.
- Real-time cost calculation
- Filament cost per print
- Optional electricity cost estimate
- Filament presets with real market data
- Deep-link from scale engine
- No account, no tracking
Reference Data
Built for miniature 3D printing
Every tool on STLACCESS is designed around one problem: getting the right scale for 3D printed tabletop miniatures. The calculator and reference library work together so you can convert and share scale percentages — all from your browser, all for free.
- stlscale Engine — The main calculator for converting between any supported scales
- Scale Reference Library — 44 verified conversion percentages with print-tested results