# CAD & design for FDM

> Parts designed for the process that makes them — so they print without a fight and hold up in use.

Source: https://amitkuzi.com/services/cad-for-fdm/

A model that is correct in CAD can still be a bad part: layer lines across the
load path, an overhang that needs support inside a bore, a tolerance that
ignores how the material shrinks. Most print failures in a working shop are
design decisions showing up later, not machine problems.

This is CAD work — in FreeCAD or your existing toolchain — plus the design
rules that keep the next part from having the same problem.

## What you get

- Parts modelled or reworked for the direction they will actually be printed in
- Load paths oriented against the layer lines, not along them
- Tolerances and fits that account for the material and the machine
- Design rules written down for whoever draws the next part