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Mechanical
Kerf vs SOLIDWORKS
30 years of Parasolid-kernel polish — compared honestly against MIT open-core.
59/59in Kerf today
21/59in SOLIDWORKS (included)
10behind a paid tier
2026-05-19last reviewed
| Capability | Kerf | SOLIDWORKS |
|---|---|---|
| Constraint sketcher (geo + dim)D1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/sketch.py
|
yes source ↗ |
| Pad / pocket / revolveD1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/analysis.py
|
yes source ↗ |
| Fillet / chamfer (constant)D1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/analysis.py
|
yes source ↗ |
| Variable-radius filletD1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/analysis.py
|
yes source ↗ |
| Sweep (1 & 2 rail)D1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/analysis.py
|
yes source ↗ |
| Sheet metalD1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/construction_verbs_tools.py
|
yes source ↗ |
| NURBS surfacing (blend/network/patch)D1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/geom/network_srf.py
|
yes source ↗ |
| Assemblies — matesD1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/assembly/mates.py
|
yes source ↗ |
| Assembly interference (clash)D1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/clash/detect.py
|
yes source ↗ |
| Assembly motion studyD1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/assembly/model.py
|
yes source ↗ |
| 2D drawings (views/dims/sections)D1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/drawings/auto_dimension.py
|
yes source ↗ |
| GD&T on drawings / MBD / PMID1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/gdt/tools.py
|
yes source ↗ |
| Configurations / family variantsD1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/family/model.py
|
yes source ↗ |
| Large assembly performance modeD1 |
yes
packages/kerf-cad-core/src/kerf_cad_core/assembly/perf.py
|
yes source ↗ |
| Standard parts library (ISO/DIN fasteners, bearings, profiles)D1 |
yes
packages/kerf-parts/src/kerf_parts/tools.py
|
yes source ↗ |
| FE — linear static (native)D2 |
yes
packages/kerf-fem/src/kerf_fem/linear_static.py
|
yes source ↗ |
| FE — fatigue (S-N)D2 |
yes
packages/kerf-fem/src/kerf_fem/fatigue_fem.py
|
paid tier source ↗ |
| Modal / buckling / nonlinear FEAD2 |
yes
packages/kerf-fem/src/kerf_fem/buckling.py
|
paid tier source ↗ |
| AISC 360 / ACI 318 member designD2 |
yes
packages/kerf-structural/src/kerf_structural/aisc_member.py
|
no source ↗ |
| Spur/helical gear rating (AGMA/ISO 6336)D3 |
yes
packages/kerf-cad-core/src/kerf_cad_core/gearstrength/iso6336.py
|
no source ↗ |
| Bearings — ISO 281 L10 / ISO/TS 16281D3 |
yes
packages/kerf-cad-core/src/kerf_cad_core/bearings/select.py
|
no source ↗ |
| Shaft stress + critical speedD3 |
yes
packages/kerf-cad-core/src/kerf_cad_core/shaft
|
no source ↗ |
| Weldments structural frameworkD3 |
yes
packages/kerf-cad-core/src/kerf_cad_core/weldment_profiles.py
|
yes source ↗ |
| CFD (internal/external flow)D4 |
yes
packages/kerf-fem/src/kerf_fem/cfd_navier_stokes.py
|
paid tier source ↗ |
| HVAC duct sizing (SMACNA)D4 |
yes
packages/kerf-cad-core/src/kerf_cad_core/hvac/ducts.py
|
no source ↗ |
| Heat exchanger (LMTD/ε-NTU)D4 |
yes
packages/kerf-cad-core/src/kerf_cad_core/heatxfer/shell_tube_bell.py
|
no source ↗ |
| Airfoil / wing aerodynamics (VLM)D5 |
yes
packages/kerf-cad-core/src/kerf_cad_core/aero/flow.py
|
no source ↗ |
| Orbital mechanics (Kepler/Hohmann/Lambert)D5 |
yes
packages/kerf-cad-core/src/kerf_cad_core/aero/flow.py
|
no source ↗ |
| Schematic capture + PCB layoutD6 |
yes
packages/kerf-electronics/src/kerf_electronics/drc.py
|
paid tier source ↗ |
| Signal integrity (Z0/crosstalk/eye/IBIS)D6 |
yes
packages/kerf-electronics/src/kerf_electronics/eye
|
no source ↗ |
| EMC (radiated/shielding/limits)D6 |
yes
packages/kerf-electronics/src/kerf_electronics/emc
|
no source ↗ |
| Wiring / harness routingD6 |
yes
packages/kerf-wiring
|
paid tier source ↗ |
| 3-axis CAM (profile/contour/pocket/face)D7 |
yes
packages/kerf-cam/src/kerf_cam/worker.py
|
yes source ↗ |
| Multi-axis CAM (5-axis)D7 |
yes
packages/kerf-cam/src/kerf_cam/five_axis/constant_tilt.py
|
paid tier source ↗ |
| Feeds & speeds + tool-life (Taylor/Gilbert)D7 |
yes
packages/kerf-cad-core/src/kerf_cad_core/cuttingtool
|
partial source ↗ |
| Nesting (2D part layout)D7 |
yes
packages/kerf-cad-core/src/kerf_cad_core/nesting/nfp.py
|
no source ↗ |
| Moldflow / injection fill simulationD7 |
yes
packages/kerf-cad-core/src/kerf_cad_core/forming
|
no source ↗ |
| FDM slicingD7 |
yes
packages/kerf-slicing
|
no source ↗ |
| Road alignment (horizontal/vertical/clothoid)D8 |
yes
packages/kerf-cad-core/src/kerf_cad_core/civil/alignment.py
|
no source ↗ |
| Geotech (bearing/settlement/slope/liquefaction)D8 |
yes
packages/kerf-cad-core/src/kerf_cad_core/geotech/liquefaction.py
|
no source ↗ |
| Planar MBD (Lagrange/DAE)D9 |
yes
packages/kerf-cad-core/src/kerf_cad_core/dynamics/rigidbody.py
|
paid tier source ↗ |
| Controls — classical (Routh/Bode/PID)D9 |
yes
packages/kerf-cad-core/src/kerf_cad_core/controls/statespace.py
|
no source ↗ |
| Vibration (SDOF/n-DOF modal/FRF)D9 |
yes
packages/kerf-fem/src/kerf_fem/harmonic.py
|
paid tier source ↗ |
| PLC IEC 61131-3 (ST/Ladder/FB)D10 |
yes
packages/kerf-plc/src/kerf_plc
|
no source ↗ |
| Solar PV (system + partial shading)D10 |
yes
packages/kerf-cad-core/src/kerf_cad_core/solarpv/shading.py
|
no source ↗ |
| AC load-flow (Newton-Raphson)D10 |
yes
packages/kerf-cad-core/src/kerf_cad_core/elecpower/loadflow.py
|
no source ↗ |
| GD&T data model (ASME Y14.5)D11 |
yes
packages/kerf-cad-core/src/kerf_cad_core/gdt/datums.py
|
yes source ↗ |
| Tolerance stackup — 1D (WC/RSS)D11 |
yes
packages/kerf-cad-core/src/kerf_cad_core/tolstack/stack.py
|
paid tier source ↗ |
| Tolerance stackup — 3D vector loopD11 |
yes
packages/kerf-cad-core/src/kerf_cad_core/tolstack/tol3d.py
|
paid tier source ↗ |
| Limits & fits (ISO 286)D11 |
yes
packages/kerf-cad-core/src/kerf_cad_core/tolfits/fits.py
|
yes source ↗ |
| SPC control charts (Shewhart/CUSUM/EWMA)D11 |
yes
packages/kerf-cad-core/src/kerf_cad_core/spc/charts.py
|
no source ↗ |
| Paraxial ray tracing / Gaussian beamD12 |
yes
packages/kerf-cad-core/src/kerf_cad_core/optics/lens.py
|
no source ↗ |
| Acoustics (ISO 9613 / RT60 / mass-law TL)D12 |
yes
packages/kerf-cad-core/src/kerf_cad_core/acoustics/sound.py
|
no source ↗ |
| Jewelry design toolingD13 |
yes
packages/kerf-cad-core/src/kerf_cad_core/jewelry
|
no source ↗ |
| BIM / IFC authoringD13 |
yes
packages/kerf-bim/src/kerf_bim
|
no source ↗ |
| Material selection (Ashby / multi-objective)D14 |
yes
packages/kerf-cad-core/src/kerf_cad_core/matsel/db.py
|
no source ↗ |
| Should-cost / DFM estimationD14 |
yes
packages/kerf-cad-core/src/kerf_cad_core/costing/estimate.py
|
no source ↗ |
| LCA (ISO 14040/44 full 4 phases)D14 |
yes
packages/kerf-lca/src/kerf_lca
|
no source ↗ |
| Scripting / automation APID14 |
yes
packages/kerf-sdk
|
yes source ↗ |
- yes shipped
- partial works with limits
- paid tier present, but behind an add-on or meter
- no not available
Corrections welcome. These rows are read off published documentation on the date shown and go stale as products ship. If a row is wrong, open an issue — the source file is public/compare/solidworks.md and every claim in it carries a link.