HEATKEYS

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

Hot Rod Cad drawings and files for the hot rod builder. Hot rod drawings for sale. Get the best hot rod drawing available with detailed instructions. Hot rod construction is a great way to build a new hot rod for cheap. New drawings for other hot rod...

3D models for CAD/CAM/CAE designers. Cars, cities, airplanes and other polygonal and NURBS/SOLID models.

Form Fonts 3D - Pay one fee, download what you need

Problem solving hot rod chassis parts for over 30 years.

A collection of resources on the subject of designing and building plucked stringed musical instruments, from R.M. Mottola at Liutaio Mottola, nonprofit provider of design, research and educational resources to the lutherie community. The focus in th...

Simpson Strong-Tie - structural connectors, shearwalls, anchors, fastening systems, and seismic testing for stronger and safer wood and steel construction.

Architectural information on building materials, manufacturers, specifications, BIM families and CAD details.

Empowering anyone to create and publish 3D online through our 3D platform of community, 3D content, and free 3D software.

Piping Technology & Products Custom engineered pipe supports, pipe hangers, expansion joints, pre-insulated supports, slide plates and snubbers, as well as other various pipe support products. PT&P strives to satisfy each customer