# Material selection & process tuning

> Choosing the filament for the job and tuning the process around it, until the tenth part matches the first.

Source: https://amitkuzi.com/services/materials-and-process/

Filament is a polymer with a processing window, not a colour choice. PLA, PETG,
ABS, ASA, nylon and the filled variants each have a temperature range, a
moisture problem, a shrinkage figure and a failure mode, and picking the wrong
one is the most expensive mistake a workshop makes because the parts look fine
until they are in service.

Tuning is the measurable half: flow, temperature, cooling and speed, changed one
at a time against a printed test rather than against an opinion on a forum.

## What you get

- Material chosen against the part's real service conditions — heat, load, UV, chemicals
- Drying and storage handled, because most "bad filament" is wet filament
- Flow, temperature, cooling and speed tuned one variable at a time, on test prints
- A documented profile per material, so a second operator gets the same result