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ADDITIVE MANUFACTURING
DESIGN CHALLENGES

Design Challenge 1

For this challenge, I was tasked with evaluating the quality of an AM process through the design and analysis of a benchmarking part. I was responsible for creating a benchmark part capable of measuring two of the following common DfAM restrictions as your dependent variables: i) bridging limit, ii) minimum feature size, iii) minimum assembly clearance or iv) self-supporting angle.

Design Challenge 2

For this challenge, I was tasked with reducing both the weight and the part count of an existing product through the strategic use of free complexity while still ensuring its ability to meet the desired function.

Design Challenge 3

For this challenge, I was tasked with creating my own submission to the ULA rocket hardware challenge hosted by GrabCAD in 2016. The original challenge instructions can be found at https://grabcad.com/challenges/3-2-1-liftoff-ula-rocket-hardware-challenge.

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Restrictive DfAM Screening Specimen

Designed and printed a specimen to test the additive manufacturing restrictions for minimum feature size and self-supporting angles in the XY plane using material extrusion

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Opportunistic DfAM Redesign

Redesigned an electronic support device to add new functionality, save material, and reduce cost.

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Rocket Hardware Topology Optimization

Designed an attachment bracket for ULA’s Atlas V Centaur launch vehicle. Performed a stress-strain (FEA) analysis to withstand a 600 lb. force, conducted topology optimization to conserve 90% mass, and performed a manufacturability analysis to determine print time and cost.

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