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PLS 4.75


The Rapid Prototyping Laboratory is our open access laboratory for both 3D printing and laser cutting. Please note that these machines are for engineering students only.

3D Printing

For information on the MakerBot 3D printers in the RPL, please see both the page specifically on the MakerBots and the more general 3D Printing Guide.

Laser Cutting

We have four PLS 4.75 flatbed laser cutters located in the Rapid Prototyping Lab (167 Towne). Access to the lab is controlled through a card-swipe, and you MUST receive training before using these machines.

The PLS 4.75 machines have 75 watt lenses that are capable of cutting and engraving a large variety of materials. Each machine has a usable cutting area of 24 inches by 18 inches, with a maximum stock thickness of 9 inches. In general, you should be aware that the laser produces a slightly tapered cut (larger at the top), with a nominal kerf of 0.007 inches.

Training and Swipe Access

To obtain certification and swipe access please follow the Laser Training Guide

Preparing Files for Laser Cutting

You should complete these steps before heading down to the laser cutting room

DWGeditor / 2Deditor - the standard
Corel Draw - the easiest way to etch from an image file (jpg, bmp, etc.)


Usage Guide

Written directions on using the lasers can be found here: Laser Usage Guide


If you experience any problems or notice anything wrong with the lasers, please notify us by emailing immediately. Put the specific laser number in the subject line and the specific problem in the body of your email. Additionally, please place an Out of Order sign on the laser until a staff member checks the laser out and determines it can be used again.