NVIDIA's open-sourced CAD kernel explained: code dating back to the 1970s
rms80 · x · 2026-10-15
Shapr3D CEO Istvan Csanady posted a thread on NVIDIA's open-sourced b-rep kernel SMlib, arguing the hype shows almost nobody understands what it actually is.
- Like most major CAD kernels such as Parasolid and ACIS, its code lineage goes back to the 1970s, yet it is architecturally quite different from those mainstream kernels.
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