CAD Library — IS-coded DWG / DXF

Parametric drawings for Indian civil engineers, generated in your browser from IS / IRC code dimensions. Open in any DXF-compatible CAD app. No signup, no timer, no credit system.

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IS / IRC code tagged

Every drawing links to the exact IS or IRC clause it implements — no other CAD library does this.

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Parametric, not static

Set inputs → instant DXF. Most CAD libraries ship a fixed set of files with whatever dimensions the original draftsman picked.

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Free, no signup

No timers, no email walls, no credit system. Direct in-browser download.

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Indian conventions

Fe500 default, mm units, IS title block, north arrow, hatch patterns per IS 962. Layered DWG/DXF (REBAR / STIRRUPS / DIMS / TEXT / GROUND).

Parametric generators

Single / double bulb. Standard Du from 200–600 mm. Full reinforcement schedule + bulb spiral binding.

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Pile Cap (1 – 9 pile groups)

IS 2911 Pt 1 + IS 456

SOON

Triangular, square, hexagonal pile groups. Auto-sized cap with reinforcement per pile spacing rules.

Square, rectangular, sloped variants. Auto-reinforcement mesh, bearing pressure check, concrete volume + steel mass.

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Box Culvert (1×1 to 4×4 m)

IRC SP 13

SOON

Single / twin / triple-cell RCC box culvert. MoRTH 1991 standard series.

All 9 standard BBS shape codes — straight, L, U, hook, crank, closed hoop, diamond, helical. Auto cut-length with deduction rules.

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RCC Cantilever Retaining Wall (3 – 6 m)

IS 14458

SOON

Stem + heel + toe geometry from height + soil pressure. Reinforcement schedule included.

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Septic Tank (5 / 10 / 15 / 25 user)

IS 2470 Pt 1

SOON

Codified sizing tables from the standard. Plan + section. Soak pit add-on.

About the CAD Library

Most free CAD libraries (Cadbull, dwgshare etc.) ship single-layer static DWGs of unknown provenance — mixed metric/imperial, wrong rebar grades, no IS-code reference. InfraLens generates clean DXF on demand from the IS / IRC code itself, with layers, dimensions, and Indian conventions baked in. Every drawing links back to the exact code clause it implements. Request a new generator.