ecto/vcad

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BRep CAD kernel in Rust/WASM

Stars: 427
Forks: 24
Open beginner issues: 1
Indexed issues: 111
Avg merge: 2h 32m
Merged PRs (30d): 39

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

111 open issues indexed

kernel: tangent fillet rims leave unpaired edges on otherwise-correct analytic unions (stator: ~100, 12 filleted posts: ~180) Open

bug kernel robustness

Difficulty 4/5 3-5 days Newbie friendliness 68/100

ecto/vcad#902 · Opened Sep 17, 2026
Native app: a document painted from the mesh cache has no solids (ray-traced preview, quoting, face picking unavailable) Open

app bug

Difficulty 5/5 Over a week Newbie friendliness 38/100

ecto/vcad#900 · Opened Sep 17, 2026
Native Mac app: open friction from machining the rana-60 stator (tracking) Open

app ux

Difficulty 5/5 Over a week Newbie friendliness 25/100

ecto/vcad#898 · Opened Sep 17, 2026
kernel-gpu: two wavefront tests fail on Apple silicon (macOS 27) Open

bug tests

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ecto/vcad#897 · Opened Sep 17, 2026
kernel: sheet-metal fold union leaves 64 open edges at the bend lip (+3.4 mm³ vs closed form) Open

bug kernel robustness

Difficulty 4/5 3-5 days Newbie friendliness 55/100

ecto/vcad#896 · Opened Sep 17, 2026
kernel: analytic INTERSECTION silently wrong for cone∩cylinder (16.8 vs ~502 mm³) and torus∩cylinder (returns the whole torus) Open

bug kernel robustness

Difficulty 4/5 3-5 days Newbie friendliness 55/100

ecto/vcad#895 · Opened Sep 17, 2026
kernel: chained mesh booleans re-split coplanar caps without bound (no coplanar re-merge after mesh_csg) Open

kernel performance robustness

Difficulty 5/5 Over a week Newbie friendliness 42/100

ecto/vcad#894 · 1 comment · Opened Sep 17, 2026
Linux failure to load .so modules and undefined symbols Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ecto/vcad#887 · 1 comment · Opened Sep 15, 2026
0.10: Difference of a Difference silently drops the outer cut Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

ecto/vcad#886 · 1 comment · Opened Sep 10, 2026
STEP from batched boolean is not watertight: 1267/2641 edges used once, import yields empty solid (rana can) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ecto/vcad#880 · Opened Sep 10, 2026
Difference chains of ~40 extruded tools don't finish (rotor/stator export > 25 min on main) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#879 · 1 comment · Opened Sep 10, 2026
vcad export ignores SIGTERM during boolean evaluation (timeout doesn't stop it) Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

ecto/vcad#878 · Opened Sep 10, 2026
DFM hobby-3axis-mill: R2 flags vertical facets at float32 ulp; R7 flags rectangular pockets as gears Open

Difficulty 4/5 3-5 days Newbie friendliness 62/100

ecto/vcad#876 · Opened Sep 9, 2026
STEP export falls back to tessellated faces for boolean results and gears (unusable for CNC) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#872 · Opened Sep 9, 2026
Difference evaluation regressed since 504047f: cylinder minus bore minus slot yields a non-manifold mesh Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

ecto/vcad#871 · Opened Sep 9, 2026
import-mesh: documented-neutral scale silently multiplies by 1000 (metres→mm) Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

ecto/vcad#855 · Opened Sep 1, 2026
Gear primitive, 3MF kit export, section/exploded renders (three field-tested gaps) Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ecto/vcad#846 · 1 comment · Opened Aug 30, 2026
loon: keyword args (the skin/skin-gap/skin-gap-res ladder is the tell); render: --view side draws the front elevation Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ecto/vcad#833 · Opened Aug 25, 2026
robot features: URDF-aware [pose] in loon, and a swept-clearance command Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#832 · Opened Aug 25, 2026
kernel: three reproducible boolean degeneracies, with numbers Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ecto/vcad#831 · Opened Aug 25, 2026
photoreal --gpu: fall back, don't refuse (1M-triangle cap, pinhole-only), and decimate for tracing Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

ecto/vcad#830 · Opened Aug 25, 2026
[skin] v2: cavity fill, aperture closing, no-bridge -- from four real fights on rose-pro Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#829 · Opened Aug 25, 2026
cache: tessellation segment count varies with --size, so changing output size is a full cold re-eval Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

ecto/vcad#828 · Opened Aug 25, 2026
eval: silent empty roots -- refusal paths must name the root, the cause, and the knob Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ecto/vcad#827 · Opened Aug 25, 2026
kernel: union of lapped/stacked coincident-face plates — one mirrored link >400 s, its mirror 10 s Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

ecto/vcad#822 · Opened Aug 19, 2026
kernel: plate boolean cost is not monotonic in corner radius (r=16, r=25 are 5-10x slower than r=20) Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

ecto/vcad#821 · Opened Aug 19, 2026
cornerstones: tracking — tuning fork / bimetallic thermostat / coupon ladder Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 30/100

ecto/vcad#509 · Opened Jul 8, 2026
app: the zoom — LOD ladder continuum → lattice supercell → density isosurface Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#508 · Opened Jul 8, 2026
physics: as-built parts feed the phyz gym (world rung consumes reality) Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 30/100

ecto/vcad#507 · Opened Jul 8, 2026
calibration: record_measurement → Bayesian posteriors (evidence flows down) Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 25/100

ecto/vcad#506 · Opened Jul 8, 2026
integration: flagship cross-scale gradient — d(as-built bend angle)/d(potential param) Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 30/100

ecto/vcad#505 · Opened Jul 8, 2026
electrons→atoms: parameterize force fields from TB (grounding bridge) Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 25/100

ecto/vcad#504 · Opened Jul 8, 2026
electrons+mcp: density/ESP as Field3 + solve_electronic / render_density tools Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#503 · Opened Jul 8, 2026
electrons: SCC tight-binding on tang-expr — Fermi smearing, HF + IFT gradients Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 25/100

ecto/vcad#502 · Opened Jul 8, 2026
ir+kernel: ElectronicSystem IR + vcad-kernel-electrons scaffold Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#501 · Opened Jul 8, 2026
mcp: simulate_process tool Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 30/100

ecto/vcad#500 · Opened Jul 8, 2026
process: retrofit stocksim (mill) + predict_print (FDM) behind the Process trait Open

reality-tower

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ecto/vcad#499 · Opened Jul 8, 2026
process: LaserCut tier-1 Rosenthal thermal (kerf, HAZ, max thickness) Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#498 · Opened Jul 8, 2026
process: PressBrake tier-1 analytic (springback, derived bend allowance, min radius) Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#497 · Opened Jul 8, 2026
kernel: vcad-kernel-process — Process trait + AsBuilt/MaterialState/MachineProfile Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 25/100

ecto/vcad#496 · Opened Jul 8, 2026
docs/research: composition law for stochastic Jacobians Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#495 · Opened Jul 8, 2026
atoms: MaterialCard v2 — Quantities, fluctuation formulas, plasticity slots Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 25/100

ecto/vcad#494 · Opened Jul 8, 2026
atoms: implicit-function-theorem gradients through relaxed states Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#493 · Opened Jul 8, 2026
atoms: reweighting gradients of ensemble observables Open

keystone-risk reality-tower

Difficulty 5/5 Over a week Newbie friendliness 30/100

ecto/vcad#492 · Opened Jul 8, 2026
spike: unify vcad-kernel-stocksim octree SDF with Field3 Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#491 · Opened Jul 8, 2026
kernel+app: marching-cubes isosurface Field3 → mesh → viewer Open

reality-tower

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ecto/vcad#490 · Opened Jul 8, 2026
kernel: vcad-kernel-field — block-sparse Field3 Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 35/100

ecto/vcad#489 · Opened Jul 8, 2026
receipt: backfill trust tags in existing adapters Open

reality-tower

Difficulty 3/5 1-2 days Newbie friendliness 48/100

ecto/vcad#488 · Opened Jul 8, 2026
receipt: weakest_link query + MCP tool Open

reality-tower

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ecto/vcad#487 · Opened Jul 8, 2026
receipt: Quantity type + trust lattice in vcad-receipt Open

reality-tower

Difficulty 5/5 Over a week Newbie friendliness 45/100

ecto/vcad#486 · Opened Jul 8, 2026

ecto/vcad

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