CoatCAL
Calculate STEP/STL surface area instantly in your browser
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Calculate surface area and overall dimensions from STL and single-body STEP/STP files directly in your browser. Files are processed locally — no upload, account, or CAD installation required. Includes a 3D preview, bounding box, unit conversion, and support for files up to 500 MB.
PH · launched Oct 17, 2026 · 1 upvote (top 67%) · 0 views
Niche: specialized calculation tools · 551 launches, 66 in the last 7 days ▼ -7% · Explore this niche →
Category and tags
- Manufacturing
- Dev tools
- Prosumer
- Not AI
- Commercial product
- Design Tools
- Productivity
- 3D Modeling
Visit website ↗ Source listing ↗
More like this: all 551 launches in specialized calculation tools →
Could you build this?
Partial While Three.js can easily render 3D meshes, parsing complex B-Rep STEP/STP geometries and computing exact topological surface areas client-side for 500MB files requires WebAssembly CAD kernels.
What it would actually take: Computing surface area on STLs is simple triangle summation, but STEP files require evaluating non-uniform rational B-splines (NURBS) and boundary representations. This necessitates compiling an industrial geometry kernel like Open CASCADE Technology (OCCT) to WebAssembly, paired with Web Workers to handle heavy computation without freezing the browser UI on 500MB inputs. An engineer needs specialized expertise in computational geometry and C++/Wasm memory management to achieve fast, accurate client-side parsing.
Competitors
Other products that read as similar to this one : 155 launches clear the similarity bar, closest 8 shown.
Attention rank: #68 of 156 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 347 days after the earliest competitor.
- CADProps · ph · 2026-09-18 · 1 upvotes · similarity 0.56
- 3dfileconverter.online · ph · 2026-10-05 · 1 upvotes · similarity 0.53
- STL Volume Calculator · ph · 2026-10-13 · 1 upvotes · similarity 0.51
- GeometricCalculator.org · ph · 2026-10-06 · 1 upvotes · similarity 0.50
- SQCalculator · ph · 2026-11-07 · 1 upvotes · similarity 0.44
- Easy Scale Calc · ph · 2026-10-06 · 2 upvotes · similarity 0.42
- BeamChart · ph · 2026-09-18 · 1 upvotes · similarity 0.42
- 300 DPI Pixel Calculator · ph · 2026-10-20 · 1 upvotes · similarity 0.42
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