MIT 4 510 - Lecture Notes (7 pages)

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Lecture Notes



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Lecture Notes

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Pages:
7
School:
Massachusetts Institute of Technology
Course:
4 510 - Digital Design Fabrication

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MIT OpenCourseWare http ocw mit edu 4 510 Digital Design Fabrication Fall 2008 For information about citing these materials or our Terms of Use visit http ocw mit edu terms Massachusetts Institute of Technology Department of Architecture 4 510 INTRODUCTION TO COMPUTATION Recitation 1 AutoCAD CNC Basics Professor Larry Sass Important Notes 1 Make sure to sign up for a 2 hour slot Thursday Sunday 2 EZ CAM only accepts AutoCAD 2004 and lower 3 You should consider staining or painting your board before cutting 4 Measure the thickness of the material with a caliper 5 You will need a tape measure Process 1 CAD 2 EZ CAM 3 Techno CNC 4 Assembly Finishing Massachusetts Institute of Technology Department of Architecture 4 510 INTRODUCTION TO COMPUTATION 1 0 AUTOCAD 1 1 Creating a Drawing o Units units set to architectural o End snaps F3 snaps on F8 ortho makes straight lines o Start drawing at 0 0 o Working with layers o o 1 2 Never use layer 0 Label layers in four character sets for example PLAN DOOR EXTE Lines Plines Only work with polylines pl Every line command has a subset of commands Popular Commands Scale sc Poly Line pl Erase e Mirror mi Stretch s c for area Rotate ro Trim tr Offset o Model Space ms Paper Space ps Boundary bo Formatting a Page o o Paper Space Title Block Printing Model Space Drawing 4 510 INTRODUCTION TO COMPUTATION 1 3 Printing with Varying Line Weights o Working with Line Weights o 1 4 Massachusetts Institute of Technology Department of Architecture Best to use three or four line weights Line weights in the printer dialogue box only Select a printer Select acad ctb Edit line weights based on color Zoom Scale Commands 1 1 48xp 1 1 8 1 96xp1 1 1 16 1 192xp 1 5 Printing You should draw a few shapes change the line weights and print this assures that the objects will print correctly before creating the entire document If you are printing on a laser printer make sure all the lines are colored in white Other colors will print in shades of gray and will be



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