1.1_press fit curves [test]


The project started as a quick CNC-based geometrical experiments of playing around with curve-based structure. The first attempt was to create a double parabolic cups with different alternatives: straight edge and curvy edge. The latter one was modeled in Rhino and prototyped through series of MDF stripes.


The pieces were cut on 0.5″ thick MDF measured 30″x40″ in 45 minutes using the Techno-CNC machine with the 1/4″ drill bit. The videos and photos below describe the process and problems I encountered during prototyping and assembling the cut parts.

MDF board cut at 18000 rpm.

Dog-bone notches cut at board thickness (0.5″). The VisMill program somehow didn’t send the 3-pass drilling action we set; instead it did everything at once, hence the rough corners.

Inaccurate manually-built-Rhino model caused in notches without enough tolerance to fit to assembly.

The stripes broke easily at breaking points where the MDF’s eaten away significantly and forced to bent.


For the final piece, I’d like to develop this curvy interlocking shape into a seat with the help of Rhino and Grasshopper script. To be continued…

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, -


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