Grant Trebbin

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Wednesday, October 2, 2019

Generate an STL 3D model with a surface described by an equation

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I recently needed to generate a 3D model for printing based on an equation and couldn't find software to do the job.  In the end the e...
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Sunday, September 15, 2019

Self Normalising Price Markdowns For Short Life Products

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When selling products that have a relatively short shelf life, it becomes necessary to reduce the price on items as they approach their use...
Saturday, September 14, 2019

Reducing Evaporation Rates With Rippled Surfaces

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A theory that I want to test out is that adding a ripple to a surface makes it easier to clean in certain situations.  I work in retail, an...
Sunday, October 15, 2017

ABC Logo Lissajous Curve

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Over the last couple of days I've seen a few people mention how similar the ABC Australian logo is to the new Disney Movies Anywhere se...
Wednesday, August 16, 2017

Suburban Fulfilment Centre

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A few weeks ago I was thinking about online grocery fulfilment and different ways of getting stock to customers faster. I had some ideas ab...
Saturday, August 5, 2017

Riveting Plywood to Metal

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Today I'll give you a quick rundown of my experiment riveting aluminium to plywood. 2.8 mm Plywood Riveted to 1.4 mm Aluminium I...
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