3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

more free publications

Materials

Design

Processes

Units

Formulas

Math
Pattern, Finish Allowance, and Wall Thickness
Metal Pattern Oversize Factor (each direction) Finish Allowance
(smaller number for larger sizes)		 Min Wall
mm
(inches)
Aluminum 1.08 - 1.12 0.5 to 1.0 % 4.75 (0.187)
Copper alloys 1.05 - 1.06 0.5 to 1.0 % 2.3 (0.094)
Gray Cast Iron 1.10 0.4 to 1.6 % 3.0 (0.125)
Nickel alloys 1.05 0.5 to 1.0 % N/A
Steel 1.05 - 1.10 0.5 to 2 % 5 (0.20)
Magnesium alloys 1.07 - 1.10 0.5 to 1.0 % 4.0 (0.157)
Malleable Irons 1.06 - 1.19 0.6 to 1.6 % 3.0 (0.125)
Glossary
FREE Publications
3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

more publications