NC State
David Delgado

Design Projects

iPhone Case Design

This replication of a LifeProof case was designed for my introduction to graphics communication course. The motive behind creating a phone case lies in the fact that I have always wanted to get my hands on a LifeProof Case, but sadly their prices do not fit my budget as a college student.

Hence, I figured I could model a phone case after the LifeProof Nüüd for the iPhone 6 which has an ultra-thin design at just 11.7 mm. Then, I could use the 3D model to print a phone case with many of the same functional benefits as the LifeProof (i.e., water, dirt, shock, and snowproof), but with the added benefit of a customized card holder.

Garden Steps

Design

These sketch-up model of the garden steps was intended to provide me with a concrete prototype of my work, which would allow me to plan the excavation with more accuracy and to anticipate environmental limitations.
 .
Development
 .
  
As this picture illustrates, I was intent on keeping the workspace as neat as it was from the start. Consequently, I avoided creating large piles of soil, and instead dispersed it and created small mounds around the pergola. Overall, the excavation was the most physically demanding task of this project. No machinery besides an pickaxe and shovel could be used because I did not acquire a permit to do so. Roughly 6’’ of soil had to be removed at each step to flatten/create crevices.
.
Improvement
.
   

The construction of the garden steps, i.e. the wooden frame, took one entire day to complete. Although not as physically challenging, there were moments of confusion and frustration. For instance, a boulder beneath the crevice near the first step prevented me from aligning the structure properly, and required me to dig more. Nevertheless, as this before and after illustrates, I am quite proud to make this project part of my personal history from high school.

Chain Saw Sprocket: Dimensioning

SolidWorks Drawing

Isolated Vibration Reduction of Machine Tool Head

Project Proposal

GDE Error: Error retrieving file - if necessary turn off error checking (403:Forbidden)
Finite Difference Methods for 1-D Conduction in a Flat Plate

Research Project

GDE Error: Error retrieving file - if necessary turn off error checking (403:Forbidden)
FEA of Truss Vs. MATLAB Optimization

ANSYS vs. MATLAB Design Study

Download (PDF, 815KB)

Heat Exchanger Thermal System Design

Design Report

GDE Error: Error retrieving file - if necessary turn off error checking (403:Forbidden)