COMPLETE FABRICATION

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[proj2] casting + molding: bracelet (attempt)

After multiple attempts at creating a design that does not produce UNDERCUTS during CNC cutting, below is another attempt at making a simple mold. However, due to material restraints (depth size limited to 1.5″ of foam), and to prevent another undercut, I had to divide the bracelet in the middle, into two parts. I didn’t quite develop a detail that would incorporate the seam line (for example a ribbed detail that would hide the seam). 

At first I added undulating ‘bumps’ on the top surface of the bracelet, but quickly realized that it would also create undercuts. Instead, I created a simple, single wave surface.

2″ thick foam
Shopbot
1/4″ dia drill bit for both roughing and finishing pass

However, I didn’t have enough Oomoo left after the wall tile mold pour to complete this mold. I will test this out later!

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4.196 Special Problems in Architectural Design Complete Fabrications Nick Gelpi Mon-Fri, Jan 5-7, 10-11, 13-14, 18, 20-21, 24-25, 27-28, 01-04:00pm, 3-402/7-432studio, 1st mtg Wed 1/5 Pre-register on WebSIS and attend first class. No listeners Prereq: Permission of instructor ; Yr-1 MArch students who have completed 4.123 only Level: H 9 units Standard A - F Grading Can be repeated for credit Lab Fee: 150 A comprehensive introduction to methods of “making” explored through a wide range of brief but focused exercises. Skills = developing complex geometries from flat components; fine-tuning press fit construction, molding and casting, and making repeatable molds for customization. A two-part workshop, the first half will contextualize contemporary tools and techniques within the trajectories of historical case studies of building, combined with hands on familiarization of tools. The second half will implement the tools of our workshop in the context of Design. Working on group design build process for three MIT 150 FAST installations, students will test and influencing designs through the instrumentality of production. These hands-on design build projects are intended to produce reciprocity between skills and design, making more complete the problems of fabrication. Subject limited to year-one MArch students who have completed core-1 studio. Contact: Nick Gelpi, 9-224, 253-9415, ngelpi@mit.edu -

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