Resources

CAD libraries

External resources for 3D models, components, materials and manufacturing guidelines. Mechify does not manage these sites — check the license terms for each source.

3D models and components

GrabCAD

Large community library with free 3D models in almost any CAD format.

TraceParts

Manufacturer catalogs with CAD models of standard components (bearings, drives, pneumatics).

3D ContentCentral

SolidWorks-focused library with supplier components.

McMaster-Carr

Downloadable CAD models directly with every catalog part (bolts, bearings, seals).

Materials

MatWeb

Material properties database: metals, plastics and composites.

Sheet metal and fabrication

Xometry — design guides

Design guidelines for sheet metal, CNC and 3D printing (bend radius, wall thickness, tolerances).

Protolabs — design guides

Similar manufacturing guidelines, focused on injection molding and CNC.

Reference resources

Engineering ToolBox

Quick reference for formulas, material data and conversion tables — also used as a source elsewhere on Mechify.

Loading calculation model…

CAD libraries

TraceParts

Large manufacturer catalogue. STEP, native CAD. Bolts, bearings, pneumatics.

3Dfindit (CADENAS)

Search by brand or DIN/ISO. Same family as PARTcommunity.

PARTcommunity

Components per supplier, configurable, download in SolidWorks / STEP.

McMaster-Carr

Quick STEP of standard hardware. Sizes are inch-oriented; still useful as a reference.

MISUMI

Shafts, guides, plates to size. CAD follows the configuration.

GrabCAD Library

Community models. Quality varies; check before putting it in an assembly.

Components

SKF

Bearings, fit advice, CAD and life calculation.

igus

Plastic plain bearings, energy chains, linear. Own CAD configurator.

Elesa+Ganter

Handles, levelling feet, indexing plungers. DIN 6885 tables in their docs.

norelem

Standard parts for dies and machines. CAD per article.

Fabory

Fasteners, DIN/ISO cross table, technical sheets.

Sheet metal

247TailorSteel

Bend lines, radii, material thicknesses. Calculator on this site under Bending guidelines; always check their page.

Reference

ISO Online Browsing Platform

View standard texts (often preview). Starting point for ISO 286, GPS, safety.

Amesweb — ISO-passingen

Calculator for H7/g6 and related fits. Check against the standard.

Duursma — Lagerpassingen

Rotation, SKF tables, housing and shaft. Also on this site under Bearing fits.

verspanen-metaal — Seegerringgroef

Shop table DIN 471/472. Also on this site under Circlip groove.

Würth — Aandraaimoment (VDI 2230)

Table A1, μ = 0.14. Also on this site under Fasteners.

Engineering Toolbox

Densities, thread, units. Fast, not always the primary source.