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AddLab (Penn)


Located on the first floor of the Towne engineering building, the AddLab houses the mechanical engineering department's 3D printers and post-processing equipment. The lab is generally staffed by student additive manufacturing assistants who are available to consult with members of the university on their 3D printing needs. The lab is restricted to approved workers who print and process all of the parts. If your interested in having anything 3D printed, please see our 3D printing page.




  • Dimension Elite Fused-Deposition printer ( 3D printer )

    "Parts are generated by extruding a thin filament of ABS plastic (material datasheet) to create successive layers either 0.007" or 0.010" thick. The maximum build volume is 8" x 8" x 12", and printing costs $12 per cubic inch of both model and support material."

  • Fortus 450mc ( 3D printer )

    "Parts are generated by extruding a thin filament of ABS, ASA, Nylon 12, and ULTEM to create successive layers ranging from 0.005″ or 0.013″ thick. The maximum build volume is 16″ x 14″ x 16″, and printing costs $12 per cubic inch of both model and support material. Our machine is traditionally set for 0.005″ in ASA. For any changes in material or resolution please allow for more lead time."

  • LulzBot Taz5 ( 3D printer )

  • MakerBot Replicator 2 3D printer ( 3D printer )

    "The MakerFleet consists of six MakerBot Replicator 2 3D printers and three MakerBot 5th Generation Replicators. These machines are available for use in the Rapid Prototyping Lab (Towne 167). Access to this lab is controlled via PennCard swipe.

    The Replicator 2 and the 5th Generation MakerBots are a fused-deposition modeling (FDM) machine that extrudes PLA plastic to build up objects layer-by-layer to produce three dimensional parts. It is meant for quickly prototyping parts, often where aesthetics and manufacturing speed is more important than exact dimensional accuracy. The maximum build volume is 11.2" x 6.0" x 6.1" and 9.9" x 7.8" x 5.9" (w-d-h) and although it is strongly suggested that parts should not take up the entire build volume. Layer resolution is set by the user, and can drastically affect print time and build quality. The fastest, coarsest setting is 0.30 mm (0.011") while the slowest, most detailed setting is 0.10 mm (0.004"). Large parts are prone to shrinkage and warping due to unequal cooling throughout the part; due to this, large parts are often best-suited for our more accurate Dimension Elite, Objet 30, or ProJet 6000."

  • Objet30 Photopolymer printer ( 3D printer )

    "Parts are created from a photopolymer (material datasheet - see VeroBlack) in layers only 28 microns (0.0011") thick. The maximum build volume is 11.5" x 7.5" x 5.75", and printing costs $0.62 per gram (or $12 per cubic inch) of model support material. Material and/or changes incur an additional $30 charge -- users will be notified if this is necessary."

  • ProJet 6000 stereolithography printer ( 3D printer )

    "Parts are built by using a laser to trace part layers in a photoreactive polymer vat, causing them to harden into 0.002" or 0.004" thick layers. The maximum build volume is 10" x 10" x 10", and printing costs $20 per cubic inch of model material."


  • 3D printing consultation service ( Support service )

  • 3D printing service ( Material production service )

    "To 3D print on either the Dimension, Objet, or ProJet (the staff-operated machines), you must submit your part via email to enter our queue. We are able to check your parts to make sure they are printable, give you feedback on any issues we see, and provide cost estimates. Please note that we will go ahead and print a part (as long as it looks printable) unless you have specifically requested a cost estimate."

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Last updated: 2019-11-21T11:22:50.684-05:00

Copyright © 2016 by the President and Fellows of Harvard College
The eagle-i Consortium is supported by NIH Grant #5U24RR029825-02 / Copyright 2016