GoKawiilDeveloper launches Nasscad, a local-first 3D CAD tool for browser and Windows
A developer has released Nasscad, a CAD application that runs either in a web browser or as a native Windows program, built around local-first project storage. The tool supports STEP file import (AP203, AP214, AP242) with assembly browsing, a NassScript feature for scripted demos like a solar system and an engine model, and project save/load in a JSON format alongside export to other formats.
GoKawiil's interpretation of the reporting above, not reported fact.
Browser-based CAD tools typically rely on cloud processing, so a local-first approach could appeal to users wanting offline access or data privacy, though performance on large assemblies will depend on hardware as the developer notes. The inclusion of STEP import with assembly structure and surface tessellation improvements suggests an effort to compete with established CAD interoperability standards used in engineering workflows.
- Nasscad runs both in-browser and as a Windows app with local-first project storage
- Supports STEP AP203/AP214/AP242 import with assembly folder browsing and retained part names/colours
- Includes scripting demos (solar system, engine) and JSON-based project save/load with export options
Dell 27 Inch Monitor S2721QS — Since Nasscad recommends a spacious 1920x1080-or-higher workspace for comfortable panel layouts, a larger high-resolution monitor like this Dell display makes modeling and reviewing CAD assemblies much easier. More screen real estate means you can keep more panels open while still having room for your 3D viewport.
See Dell 27 Inch Monitor S2721QS on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: nasscad.com — Nasslab, 2026-10-28
Published there as: “Show HN: Nasscad – local-first 3D CAD for browser and Windows”
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