4.212

Design Fabrication Design, Computation and

Computer Controlled Devices

Prof. Larry Sass Department of Architecture and Planning

MIT

LECTURE #7

[1] Jennifer Seely – Self Assembly and CAD CAM

[2] Modella Milling

EQUAL

EQUAL

Parametric Model

Non repeating Shapes

Planar Faces

Compound Errors

NC to NC

Research Agenda

and shape relationships

Define and refine design fabrication processes

Projects transferable to practice

Push the limits of new shapes

visually and with tools.

Assignment #3a

Corner Detail Design and Representation

1) Model must be composed of an assembly of parts to be cut on the laser cutter and milling machine.

2) The detail should be measurable both

The detail should be measurable both visually and with tools.

a) Parts relationships

b) Physical measurements

c) Model clear section cuts

Joint

Corner Detail

Glass

Scaling 1’ = 3”

Original Part Scaled Part

Milling & Laser Cutting

Milled Part (3D Solid)

Laser Cut Assembly (2D Assembly)

Turn In

November 17, 9am on Stellar

1) DESIGN MODEL, MILLING & LASER CUT SHEETS : Submit model on Stellar under Week #9

2) ONCE PRINTED: Drop off all Models on the metal shelves in room 3-415 next to the Stratasys Printer

3) SUBMIT ON STELLAR AS ONE PDF FILE NO MORE THAN 3 PAGES INCLUDING THE TITLE PAGE

a) TITLE PAGE -Name, Date, Assignment # - Photo if you like

b) AXON OF CAD ASSEMBLY MODEL c) PHOTO OF PARTS d) AXON OF PARTS MODEL e) PHOTO OF FINAL ASSEMBLED MODEL